Latest Pipes, Pumps & Valves Africa Mar-Apr 2022 by Lifting Africa

ENDORSED BY SAPMA, SAPSDA, SAVAMA AND VAMCOSA

MAR/APR 2022

Pump leader triples dewatering fleet as rains plague mines

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CONTENT COVER STORY AMD Rotolok the market leaders in rotary valves & airlocks

ADVERTORIAL We are there, where you need us 6

PUMPS Grundfos Pumps keep up pressure in new Rosebank blocks

Aeration of Wastewater by means of a blower & air diffusors

Weir Minerals marks great decade for Warman® dirty water pump

Dependable pumping of sludge and slurries

Verder wins global business excellence award

Water management system a key part of the VUP

Decreasing downtime while increasing pumping efficiencies with AQS Liquid Transfer

Pump leader triples dewatering fleet as rains plague mines

The perfect pump for pharmaceutical applications

Pipes, Pumps & Valves Africa & Lifting Africa Golf Day 2022

Werner Pumps secures contract for 9 trucks for Ethekwini

VALVES The Abrasive Flow Solutions (AFS) team celebrated the company’s first year of business

Thermoplastic pipe standards will lead to a more sustainable infrastructure

D-060 high flow Combination Air Valve

The proof is in the pudding

Ceramic ball valves lower costs and improve longevity in water treatment applications

WATER PCI’s wastewater plant expansion relies on WEG motors

INDUSTRY NEWS Notification of leadership appointment for JC Impellers Foundry (Pty) Ltd

Lights, camera, action!

Taking the guesswork out of maintenance

Overhaul after 10 years

AQS Liquid Transfer’s largest pontoon

BUYERS GUIDE

On the cover AMD-ROTOLOK, +27 (0) 11 674 1166/7, sales@rotolok.co.za, www.rotolok.co.za Pipes, Pumps & Valves Africa Managing Editor: Surita Marx Tel: +27 (0) 87 153-1217 Cell: +27 (0) 83 281-5761 Email: info@pumpsandvalves.co.za Web: www.pumpsandvalves.co.za Sales: Mark Bennett Email: sales@pumpsandvalves.co.za Production Manager: Xane Roestroff Email: adverts@pumpsandvalves.co.za Sub-Editor: Ricardo Van Wyk

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Abrasive Flow Solutions 17 Actom IBC Air & Vacuum Technologies 11 AMD Rotolok OFC,OBC Big 5 21 Bilfinger 39 Bray 9 ConExpo 33 Electra Mining 19 Industrial Valve Summit 13 Integrated Pump Rental IFC JC Impellers 36 KSB 27 Macsteel 35 Securex 29 Steloy Foundries 13 Stewarts & Lloyds 37 Vega Controls 15 Verder Pumps 23

Disclaimer:

Opinions in this Publication are those of the authors and do not necessarily reflect those of this publication, its editorial board, its editor or its Publishers SAPMA or VAMCOSA The mention of specific products in articles and advertisements does not imply that they are endorsed or recommended by this Publication or its publishers in preference to others of a similar nature, which are not mentioned or advertised. Reliance on any information contained in this journal is at your own risk. While every effort is made to ensure the accuracy of editorial board makes no representations or warranties, express or implied, as to the correctness or suitability contained and/or the products advertised in this publication. The Publisher shall not be liable for any damages or loss, howsoever arising, incurred by readers of this publication or any other person/s. The Publisher disclaims all responsibility and liability for any damages, includes pure economic loss and any consequential damages, resulting from the use of services or products advertised in this publication. Readers of this publication indemnify and hold harmless the publisher, its officers, employees, and servants for any demand action, application or other proceedings made by any third party and arising out or in connection with the use of any services and/or products or the reliance on any information contained in this publication.

Pipes, Pumps and Valves Africa - Mar/Apr 2022

COVER STORY

AMD Rotolok the market leaders in rotary valves & airlocks The prime function of a Rotary Valve is to regulate the flow from one chamber to another while maintaining a good airlock condition. The product is mainly in dry powder or granular form. “As global market leader in rotary valves, screw-conveyors, knife-gates, bucket elevators and many other products for both the engineering, food and paper industry, for the powder and bulk handling requirements, we have invested much time and effort in ensuring we are able to meet market demands”, says Sherman. The prime function of a Rotary Valve is to regulate the flow from one chamber to another while maintaining a good airlock condition. The product is mainly in dry powder or granular form. In the dust filtration field good airlocks are essential on cyclone and bag filter applications in order that the manufacturer’s quoted high dust collection efficiencies can be maintained. Airlocks are also important in the pneumatic conveying industry, where product is regulated into a high pressure conveying line while minimising air leakage. With AMD Rotolok there are no double standards, all our standard valves are precision machined for close tolerances and minimal eccentricities. Pressure differentials to 20psi and temperatures to 400°C. We have made specials to handle temperatures covering 1200°C and pressures to 350psi. According to Sherman it is all about exceeding customer expectations. AMD Rotolok Rotary Valves and Airlocks have ATEX Covered. Following successful completion of the rigorous testing process AMD Rotolok can offer a complete range of Rotary Valves certified as suitable for use as an explosion barrier to a maximum of 10 bar and for explosion isolation for ST1 and ST2 dusts.

“We have a policy of continued investment in advanced machinery which ensures quality control. We employ batch production techniques to create efficiency savings, which ensures we are able to offer the most competitive pricing”. Standard Features • Maximum number of blades in contact with body at one time without affecting throughput. • Good throat opening at valve entry allowing high pocket filling efficiency. • Minimum clearance at rotor tips and sides with body. • Robust body adequately stiffened to prevent distortion. • Heavy shaft diameters minimising deflection. • Outboard bearings for non-contamination. • Packing gland type seals. • Maximising valve speed to 25 rpm - prolonging life, ensuring good throughput. • Precision machining of components. Complex applications remain the forte of AMD Rotolok and, with a team of experienced system designers, the company has been well placed to provide a solution for any bulk materials handling scheme. There is not one-size fits all solution. “That means not only are we able to deliver the solution that they require but are able to meet their service and repair needs and have the necessary parts on hand to do it as speedily as possible to keep downtime to an absolute minimum.” It is this approach that has allowed Sherman and his team to look at extending their footprint not only in South Africa but across the continent. Specification Bodies Cast Iron, Stainless Steel or Aluminium precision bored. End covers Cast Iron, Stainless Steel or Aluminium spigot located in body for concentricity. Rotor Fabricated Mild or Stainless Steel. Bearings Sealed-for-life ball type rigged outboard. Shaft seal Gland type with PTFE packing. Drive TEFC geared motor unit side wall mounted to valve body and complete with taper lock sprockets and chain drive all in an enclosed guard. “There is a real opportunity in Africa,” despite projects being on hold the past couple of years. “We have a base in South Africa and we can easily

Pipes, Pumps and Valves Africa - Mar/Apr 2022

The requirement for good quality products will increase. This bodes well for companies such as AMD Rotolok that have the ability to manufacture on the continent and don’t have to rely on imports. Options • Quick Release Rotors • Easy Release on Rails • USDA Approved • Direct Coupled Drives • Air Purge Glands • Body Vents • Vent Boxes • Dropout Boxes • V.S. Drives • Speed Switches • Flameproof Motors • Shear Plate Deflectors • Lip Seal Shaft Seals • Electroless Nickel Plating • Hard Chrome Internals etc. Some Options can alter dimensions, please consult AMD Rotolok prior to planning in. Valve selection The theoretical figure is determined by the swept volume of the valve and is calculated on a pocket fillage of 100%. In practice this is seldom achieved as density, product characteristics, pressure differential, feeding methods, all affect the valve throughput efficiency. On these considerations the estimated figures are assessed and are more acceptable for selecting the correct valve. e.g. Select a valve to handle 7 1/2 tonnes/hour of flour at 545kg/m3. Volume required = 7.5 x 1000/545 = 13.75 m3/ hrs. Factors other than throughput can sometimes determine valve selection. This is particularly true on cyclone and filter applications where the valve inlet size to prevent bridging can become the governing factor, always with the proviso that the potential valve discharge rate exceeds the collecting rate. “We continue to invest in our craftsmanship,”. “Our advantage is not only in being able to deliver that bespoke solution, but we are able to do it quickly and efficiently. The products are also quality.” At the same time the solutions being developed are inherent to the African environment. “There is no denying that our product solutions for Africa have to be able to

meet the harsh operating environment. That means we have to manufacture robust products that can stand the test of time. As a company, we pride ourselves in being able to deliver just that.” We also work closely with our global counterparts.”

COVER STORY

service markets as far as Zimbabwe, Nigeria and further north from our local factory. We have become involved in several products on the continent already.” The industry remains committed to introducing better products.

Standard rotors AMD Rotolok basically manufactures four types of rotor as outlined, but to give the plant engineer flexibility many variations can be accommodated, e.g. closed/tipped, reduced volume, staggered blades etc. We will make a rotor to suit your application - not our production. Open fixed bladed rotor Suitable for general range of products and particularly suitable on conveying systems to pressure of 15 psi. Sealing is by packing gland type with standard packing being fluolion or equal. Open adjustable bladed rotor Suitable for most products and pressure differentials to 20 psi. Blades are adjustable, reversible and replaceable and can be supplied in mild steel, PVC rigid, PTFE, stainless steel etc. to suit particular product. Can be adapted to suit highly abrasive materials. Scalloped rotor Particularly suitable for “sticky” materials and discharge can be further aided by the application of PTFE coating, generally used in food processes where no product buildup can be tolerated. Pressures to 15 psi are applicable. Closed rotor Suitable for general use on filters, cyclones, silos, screw conveyors and on low pressure conveying systems. Sealing by means of packing gland. “This really allows for best practice and knowledge sharing on a global platform. As a company, it is about having the real ability to provide bespoke, innovative equipment to match a company’s specific needs,” says Sherman.

AMD is celebrating 54 years in the industry (since 1968)

AMD-ROTOLOK, +27 (0) 11 674 1166/7, sales@rotolok.co.za, www.rotolok.co.za Pipes, Pumps and Valves Africa - Mar/Apr 2022

ADVERTORIAL

We are there, where you need us NETZSCH Southern Africa is situated in Honeydew, Johannesburg with a Sales, Assembly and Service Center to support our products and customers. From here we can offer you a pump that is locally assembled and supported. In Africa we have an agent and distribution Network throughout the continent too support our products and customers. The global network at your side The extraction and processing of minerals takes place every day on every continent. Everyday mining companies need reliable pumps for a wide range of diverse and challenging applications including slurry transport, dewatering, chemical dosing, and neutralization. NETZSCH Pumps and Systems is everywhere you need us. Our companies in Europe, Africa, Asia, Latin America and North America will reach every customer that needs us. NETZSCH brings you a new solution NETZSCH Pumps and Systems has been serving its clients for over 60 years all around the world. We have satisfied clients from even the most demanding and difficult industries. What they are looking for, first, is a reliable solution, which will secure and maintain production with long-term cost efficiency. Four different technologies for one Goal NETZSCH Pumps and Systems offers 4 different pump technologies for the mining industry: NEMO® progressing cavity pumps, TORNADO® rotary lobe pumps, NETZSCH PERIPRO Peristaltic pumps, NOTOS® multi screw pumps and NETZSCH down-hole pumps. All 4 pump technologies can be successfully applied in difficult mining conditions. However, we also believe that NEMO®, PERIPRO and

TORNADO® pumps have unique features over our competitors reach out to us to find out more. Applications in Mining & Explosives • Slurry transfer • Thickener underflow • Dewatering • Back-filling • Gland seal water • Face slurry pumping • Reagent dosing and transfer • Neutralization • Ammonium Nitrate • Explosive emulsions • Coal bed methane recovery • Coal seam dewatering Which technology we recommend to you depends on the unique features of your application and the working conditions. However, what you can be sure of is that we will always offer you the best technical solution! NETZSCH positive displacement pumps are a long-term cost-effective solution. In the mining industry high solids content and large particles can dramatically increase wear costs and have a negative impact on the pump’s operation. NETZSCH pumps are robustly built to increase reliability enabling them to operate longer without interruptions, significantly reducing time and maintenance costs. What’s more NETZSCH pumps are not limited in their ability to transport very dense slurries and paste-type materials unlike some other pump technologies and therefore dense slurries are easily transported with low wear rates. NETZSCH Pumps are the perfect solution when you are looking for a long lasting investment! Our pumps • Convey media even with very high solid contents or large particles • Can transport low and highly viscous media and are suited for higher density and higher yield stress applications • Operate a wide range of pressures • Handle shear sensitive materials • Are perfect solution for a long-distance transfer application • Are energy efficient NETZSCH Southern Africa has opened a pump assembly plant in 2021 and has a Level 4 BBBEE rating. A perfect combination of consistency superior quality, expert application engineering with process problem solving capabilities, and value-based pricing make Netzsch a very compelling partner in the African Market.

Pipes, Pumps and Valves Africa - Mar/Apr 2022

ADVERTORIAL NETZSCH Southern Africa Pte. Ltd, +27 (0) 11 794 8975, gerhard.vanwyk@netzsch.com, www.netzsch.com Pipes, Pumps and Valves Africa - Mar/Apr 2022

Grundfos Pumps keep up pressure in new Rosebank blocks

PUMPS

To reliably serve the water needs at three recently constructed multi-story apartment buildings in Rosebank, Johannesburg, ACS Consulting Engineers has installed a range of the latest pumping solutions from Grundfos. Reaching heights between 10 and 22 floors, the three buildings required domestic water reticulation, hot water production and drainage solutions, according to Willem Strydom, senior design engineer at ACS Consulting Engineers. “The domestic water supply throughout the buildings required pressure boosting due to the building heights and insufficient municipal pressure,” says Strydom. “A break tank in the basement of each building was used to disconnect municipal pressure – and will also limit the impact of any water outages.” In terms of the system design, Grundfos vertical multistage booster pump sets were installed to transfer water from the basement tank to a secondary roof storage tank. This increases the storage capacity during water outages, while boosting pressure due to the geodetic height of the roof tank. “A second Grundfos booster pump set – with its suction connected to the roof tank – was then situated in the basement plant room to supply hot and cold water throughout the building,” he explains.

from the tanks through the boilers and back to the tanks. “This keeps a constant temperature of 55 to 60 degrees Celsius in the tanks,” he says. “Water is circulated from the hot water storage tanks through heat exchangers using Grundfos TPE pumps.” These Grundfos TPE units feature an on-board variable speed drive incorporated into the motor, says Nick Pluck, associate sales engineer CBS South Africa at Grundfos. This allows for automatic or manual set-points to speed up or slow down the motor to achieve the required pumping duty. “If the temperature drops, therefore, the pump can accelerate to maintain the necessary temperatures in the hot water supply system,” says Pluck. “Conversely, it runs slower as the hot water supply temperature to the building rises. This increases the energy efficiency of the system by reducing pump speed during low hot water demand periods.”

Water heating is achieved by heat pumps in one of the buildings, and gas boilers in the other two, with open hot water tanks used as ‘batteries’.

Thermostatic hot water balancing valves are used in conjunction with the hot water circulating pumps to increthe ase effectiveness and efficiency of the circulating pumps. The contract also required a solution to the risk of flooding in the building basements, in the event of heavy rain or a leak in the water storage tanks, says Strydom.

For this application, Grundfos TP hot water circulating pumps – which are vertical in-line units – circulate water

“The underground parking basements, where the plant rooms are situated, are all well below the municipal sewer

Pipes, Pumps and Valves Africa - Mar/Apr 2022

PUMPS

lines and could potentially be flooded by stormwater runoff or groundwater ingress,” he says. “Multiple sumps were therefore built, and we fitted these with Grundfos SL pumps – one duty pump and one standby – controlled with level switches.” If water levels in the sump rise, the pump is activated and discharges water from the sump to a sewer. He notes that Grundfos pumps were also used to supply water to hydrants and fire hose reels, a regulated safety requirement in all buildings. In the tallest two buildings, pressure boosting was also required for this purpose, so vertical multi-stage Grundfos CR90 pumps were installed to pump water from the basement break tank. Regulations specify that buildings have one hydrant per 1000 m2 and one hose reel per 500 m2 with a flow of 20 litres per second at 300 kPa for one hydrant or 1.5 litres per second for three hose reels (0.5 litres per second per hose reel). This is required at the topmost hydrant or hose reel.

Strydom highlights the reliability of the Grundfos pumps as a key factor for his choice, as well as the wide selection of pumps for various applications. “Combined with the user-friendly interface of the Grundfos product centre and its responsive sales team, this makes the selection of pumps for our designs much easier,” he says. “Grundfos also has above-average after-sales support in the industry, and is willing to assist with any pump-related issue.” Pluck says the engineers have to ensure that the best pump is specified to the optimal system in order to meet the client’s expectations. In high-end apartments like those in these Rosebank buildings, residents always expect a high quality of services to be reliably delivered, he says. Grundfos South Africa (PTY) Ltd, +27 (0) 10 248 6000, info_za@grundfos.com, www.grundfos.com

HIGH PERFORMANCE

FLOW CONTROL SOLUTIONS Bray offers a complete portfolio of flow control solutions to handle your most challenging applications. Bray Controls Africa (Pty) Ltd Unit 11, ABC Business Park Mastiff Rd, Linbro Business Park Sandton 2090, South Africa Telephone: +27 10 007 3222

BRAY.COM

Pipes, Pumps and Valves Africa - Mar/Apr 2022

PUMPS

Aeration of Wastewater by means of a blower & air diffusors What Wastewater Aeration Does By adding air to wastewater in a treatment plant it assists the aerobic microorganisms in the consumption of pollutants. Wastewater aeration is a vital part of most every biological treatment system. A well designed and operated wastewater aeration system will accomplish two main jobs: • Adds air to the wastewater thus increasing the dissolved oxygen (DO) levels • Mixes the wastewater Adding Air to Wastewater The first job of wastewater aeration is adding air to the wastewater. In a secondary biological treatment process, aerobic microorganisms consume the organic pollutants in the wastewater. These microorganisms require adequate dissolved oxygen or “DO” to thrive. Without sufficient oxygen, microorganisms are not able to consume the incoming organic pollutants in a reasonable time. In order to maintain DO levels, an aeration system is a must. Mixing the Wastewater The second job of wastewater aeration is mixing the wastewater. Proper mixing keeps solids in suspension thus avoiding a build-up of sludge. Mixing also ensures that there are no anaerobic (without air) zones in the wastewater. A common problem, especially with lagoons, is that there is less oxygen present on the bottom. Mixing makes sure all the water and microorganisms come into contact with oxygen. How does Wastewater Aeration Work? Sub-Surface Aeration A sub-surface aeration system provides oxygen to microorganisms by injecting air into the wastewater. Blowers (side channel blowers or Roots / rotary lobe type blowers) or low-pressure screw compressors or turbo blowers for the larger installations) the air which is delivered through airlines to diffusers installed on the

bottom of the tank or lagoon. The diffusers are installed in a pattern on the bottom of the tank or lagoon for uniform coverage. The diffusers have tiny holes that create bubbles that come into contact with the water. Diffusers come in two basic types: fine bubble and course bubble. Fine Bubble Diffusers Fine bubble diffusers typically have thousands of tiny holes and produce the smallest bubbles. The smaller bubbles provide the maximum surface area for contact with the wastewater. They also rise to the surface at a slower rate which provides for a longer contact time. These two factors make fine bubble diffusers the best choice for what is called “Oxygen Transfer Efficiency”. Oxygen transfer efficiency is the amount of air absorbed by the wastewater as a percentage of the amount of air produced by the aeration system. Course Bubble Diffusers Course bubble diffusers typically have a few larger holes that produce larger bubbles. These larger bubbles travel faster to the surface than the fine bubbles. This aspect creates more turbulence and mixing in the wastewater. Course bubble diffusers are an excellent choice in situations where mixing is most important. It should be noted that course bubble diffusers can require twice as much air to operate as fine bubble diffusers. Wastewater Aeration as Part of a Treatment Process Wastewater aeration is typically used during the secondary treatment process. This process is most often an activated sludge process. Aeration in an activated sludge process is accomplished by pumping air into the tank or lagoon. Proper aeration promotes the growth of microorganisms or microbes in the wastewater. The microbes feed on the organic pollutants and form flocs which can easily settle out. The flocs are allowed to settle out in a separate settling tank or lagoon. The flocs of bacteria that settle and accumulate on the bottom of the tank or lagoon form activated sludge. The activated sludge can then be recirculated back to the aeration basin or lagoon to increase the rate of consumption of pollutants. Wastewater aeration is also used in tanks and lagoons used for storage. Examples of these storage tanks and lagoons would be ones used as sludge holding and flow equalization. In these portions of a wastewater treatment system (tank or lagoon) it is important to maintain the living microorganisms. If the microorganisms begin to die, the wastewater will become septic, and odour will start to be an issue. Air & Vacuum Technologies (Pty) Ltd can assist you with all your needs when it comes to most of the equipment required on a wastewater treatment plant. We are the direct importer of the full Robuschi range of Rotary lobe, screw compressors, turbo blowers & centrifugal pumps, all commonly found on said plants. We offer peristaltic pumps, doing pumps & side channel blowers. We are the SOLE distributor for the WTE range of air diffusers.

Pipes, Pumps and Valves Africa - Mar/Apr 2022

Instruvac (a division of Air & Vacuum The ROBUSCHI RBS range of low-pulse, tri-lobe blowers & exhausters with pressures up to 1bar & vacuum levels to -500mbar. Flow rates from 240m3/hr up to 10,400m3/hr.

distributor for Robuschi liquid ring vacuum pumps as well as roots blowers & blower packages – all made in Italy.

PeriBest Peristaltic pumps offer extremely heavy duty design for the most demanding applications up to 10 bar. and the latest technology peristaltic hose with XXL roller technology. PeriBest’s ease of assembly, operation and maintenance saves on costs and downtime.

A&VT = ADDING VALUE TOGETHER

info@vactech.co.za

011 318 3241/2/3/4

www.vactech.co.za

Weir Minerals marks great decade for Warman® dirty water pump

PUMPS

It has been 10 years since Weir Minerals Africa sold its first Warman® DWU (dirty water unit) pump, with the locally developed and manufactured innovation achieving success in Africa and abroad. According to Weir Minerals Africa head of engineering Christian Stehle, the Warman® DWU pump was designed to fill a gap in the market between conventional slurry pumps and clear water pumps. It succeeded in combining the best of both pump categories, to create a product with the wear resistance and robustness of the slurry pump and the efficiency of a clear water pump. “We wanted a solution that would meet the needs of customers who wanted to pump water with a specific gravity of up to 1.05,” says Stehle. “They usually needed to do this over long distances, and often with high heads.” He notes that the Warman® DWU pump is able to deliver high performance along with energy efficiency and reliability, without being susceptible to high component wear rates and premature mechanical failure due to dirt levels in water. The first unit was sold in September 2011 to a mining operation in the Limpopo province town of Phalaborwa, and delivered such good results that the customer went on to purchase more of them. As the Warman® DWU pump was marketed through the global Weir Minerals network, it has also established itself in markets as far afield as Canada.

Pipes, Pumps and Valves Africa - Mar/Apr 2022

The range has been enhanced over the years on a number of fronts, including its materials of construction. It is now available in stainless steel and in other hard-wearing materials for acidic applications. Initially developed with the traditional gland seal arrangement, it now includes the mechanical seal and the centrifugal seal as options. Modern design tools have allowed a continuous improvement in the evolution of the Warman® DWU pump, he says. With the 3D modelling of complex shapes, as well as 3D printing technology, the application of Computational Fluid Dynamics (CFD) has enhanced progress. “The success of this pump in as little as a decade is a testament to Weir Minerals Africa’s design and manufacturing capability, as well as our understanding of customer requirements,” he says. “We continue to work closely with customers, turning needs into solutions for a sustainable mining sector.” Weir Minerals Africa & Middle East, +27 (0) 14 941 0919, kobus.fourie@mail.weir, www.global.weir

MAY 25

26 2022

Dependable pumping of sludge and slurries

PUMPS

Becker Mining South Africa’s Vertical Spindle (PVS) pumps – which are based on Becker Mining’s Hydro Solids (HS) vortex pumps – ensure efficient pumping of sludge and slurries containing large abrasive solids and fibrous materials. These robust pumps are suitable for use in many sectors, including waste treatment, mining, paper and pulp. Other applications are in foundries and steel mills, food processing, agriculture and manufacturing. “An important feature of PVS vertical spindle pumps is the recessed, non-clog impeller design that prevents binding and clogging problems. Since the impeller is clear of the pump casing, any solids and fibrous materials that enter the suction inlet are expelled through the pump discharge, without damaging the impeller,” explains Rick Jacobs, Senior General Manager (SGM) for Consumables, Becker Mining South Africa. “Another advantage of Becker’s pumps design is that spares are completely interchangeable. This reduces inventory management costs and simplifies on-site repairs. Because all components are locally manufactured, these pumps are readily available and a large stock holding of spares and raw materials ensures swift delivery throughout the country.” The PVS range comprises models in two sizes – a 65 mm unit and an 80 mm pump – with a spindle length of 0,7 m. These robust pumps can handle solids up to 72 mm and S.G’s to 1,5, achieving 87 m heads at speeds of 2 950 rpm. Becker Mining’s PVS pumps, with a durable 28% Chrome

Iron casing, are to be able to cope efficiently with all types of solids and fibrous materials, ensuring extended service life in arduous conditions. PVS pumps are available in Stainless Steel for severe corrosive applications, including processing plants. These pumps have a sleeve stuffing box clearance that minimises blow-back of materials being pumped around the shaft sleeve, without requiring sealing contact. A high strength pipe column maintains alignment between the bearing frame and its casing. There are no submerged bearings on the cantilevered shaft. Bearings have been selected for a minimum service life of 24 000 hours when operating at any point on the hydraulic coverage curve with 1,0 S.G. Grease lubrication is standard. A locknut that fastens the impeller to the shaft, prevents the impeller from turning off, if the motor is started in the incorrect direction of rotation. Becker Mining South Africa employs a fully integrated ISO quality management system as part of its dedicated design, manufacturing, testing and repair facility. The company is also able to adjust its extensive range of pumps to suit specific customer requirements. Becker Mining South Africa, +27 (0) 11 617 6300, info@za.becker-mining.com, www.becker-mining.com

Pipes, Pumps and Valves Africa - Mar/Apr 2022

RADAR IS THE BETTER

ULTRASONIC 80 GHz level sensor with fixed cable connection (IP68)

All advantages of the radar technology:

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Verder wins global business excellence award

PUMPS

Verder are delighted to announce that our Verderflex Dura 65 peristaltic hose pump has won the Global Business Excellence Award for Outstanding New Product/Service. The chairman of the judges said “Congratulations to Netherlands-based Verder Group for inventing the Verderflex Dura 65 (D65) peristaltic pump that is the first real development in hose pump technology since the arrival of the high-pressure hose. The D65 pump offers high performance and takes up to 70% less space. Hose changes are fast and easy with the unique connection system. Verder has come up with an easy-to-use and control, robust pump that can be used in a wide range of industries for heavy duty operations.” “The Global Business Excellence Awards are one of the world’s highest profile awards and winning this accolade speaks volumes about Verder. Due to their high profile, the Awards attract a wide range of entries from across the world, from large international PLCs and public sector organisations to dynamic and innovative SMEs. The winners all have one thing in common – they are truly outstanding at what they do.” Winning this award is important to Verder because it supports the company’s mantra of trying to offer a solution to customers and being flexible in terms of development to meet global needs and specifications. It is recognition of all of the company’s hard work and the amount of time and dedication that goes into developing such products. 25% of Verder’s staff in the UK are now dedicated research and development professionals but are supported by the

global team who contribute a wealth of information and knowledge. This puts innovation at the core of what Verder does and ensures the newest technologies are available to its customers as quickly as possible. Colin Heathfield, Product Manager for Verderflex Peristaltic Pumps, said: “It is a real pleasure to win this award, this is a pump which although using existing technology has listened to the customer for feedback on what would make their life in terms of pump operation better. I would like to thank and offer praise to our team for coming together with this concept, maximising the flow rate per frame size. From the access hatch to clean the track, through to the lifting eye on the front plate to make the unit safer to work on, we have tried to address the small points that make a difference whilst still trying to maintain a balance between product specification and value for money. Its success as a good value pump for the customer can be reinforced by the number of units going through our system.” Darryl Macdougall, Managing Director, Verder Pumps South Africa: “The Verderflex Dura 65 hose pump was launched amidst the pandemic last year. It replaced the popular Verderflex VF65, while boasting 20% more flow and 20% longer hose life. This award is a testament to the quality of our products, but also our company’s commitment to innovation and excellence.” Verder will continue to contribute to the advancement and innovation of the pump industry, and we can’t wait to share yet more new releases over the coming year. Verder Pumps, +27 (0) 11 704 7500, info@verder.co.za, www.verder.co.za

Pipes, Pumps and Valves Africa - Mar/Apr 2022

AFS SPECIALISES IN THE DESIGN AND MANUFACTURE OF SLURRY RELATED VALVES OUR VALUE OFFERING Manufacturing

Technical specialists

Expert advice

Our manufacturing plant complies with both quality and safety standards.

We offer dependable technical support, ensuring optimum safety, efficiency, and extended service life.

Our skilled team will assist in the correct valve selection and installation solutions to suit your requirements.

• Check Valves • Diaphragm Valves • Gate Valves • Knife Gate Valves • Pinch Valves 011 955 1119 12 Antwerp Street, Apex, Benoni afssales@abrasiveflowsolutions.com

Water management system a key part of the VUP

PUMPS

De Beers is making good progress on the installation of a comprehensive water management system at its Venetia Underground Project (VUP) in Limpopo Province. Costing US$2,2 billion to develop, the VUP will see an ultramodern sub-level cave mine replacing the current open pit operations, which are due to cease shortly after being in production continuously since the mine opened in the early 1990s. The cave mining method allows underground mines to achieve the same type of production rates that are normally associated with open pit mines and this is the case at Venetia. Once in full production, the VUP will produce approximately 6 Mt/a ROM to deliver between 4,5 and 5,5 million carats of diamonds a year. These figures are similar to those which have been typically achieved by the open pit operations at Venetia. The new underground mine is located directly beneath the current open pit. Given that it is a caving operation, water ingress from the pit into the mine, particularly at times of heavy rainfall, is a risk which has to be carefully managed. The methods used to mitigate the risk include the installation of an extensive pumping system, as well as the construction of water control doors which will be activated if inflows exceed the capacity of the pumping system. The frames of the water doors are each about 8 m high and 7 m wide. The doors are 1 m thick and are designed to hold back a 100 m head of water. They will effectively seal off the ‘dry’ side of the mine, where the water pumps and other critical infrastructure are located, from the ‘wet’ side where the kimberlite is located. In terms of the pumping systems, a major milestone was achieved in January 2022 with the completion of Pump System 2, which has the capacity to pump 100 litres/second (360 m3/h) out of the mine from a depth of 540 m. It has increased the mine dewatering capacity threefold and allows for active dewatering of the mine groundwater, which is recharged during the rainy season which runs from roughly December through to March. The system consists of underground pump stations situated on 54-level and 46-level, as well as a pump station located in the K01 open pit on Bench No 27, which pumps to the open pit dewatering pump station located on Bench No 15.

A challenge on Pump System 2 was the installation of two pipe columns which connect the pump stations in the open pit and which are routed 120 m up the pit wall. After an initial unsuccessful attempt to install the columns, the installation method being used was reviewed and adjusted, with the new procedure adopted proving very successful Construction is now well underway on Pump System 1 with commissioning expected by mid-year. This system will add a further 40 litres/second (144 m3/h) of pumping capacity and involves the construction of a further two pump stations underground on 46-level and 54-level and one on the surface at Terrace 3 together with all interconnecting pipework. Pump Systems 1 and 2 are interim water pumping solutions until the main pump station in constructed on 56-level. This is scheduled for completion in Q3 2023. Once it is in operation, the full pumping capacity will be 4 500 m3/h. Construction of the first water door is currently in progress and it has had an extensive engineering review to ensure the integrity of the installation. The door is secured by 40 mm rock anchors, 234 in total, which are each about 2,5 m long and pinned 1,5 m deep into the host rock. In total, six water doors must be installed before December 2022 to allow first ore production from the VUP to start by the end of the year. The installation of the water doors will therefore be a major focus for the underground construction team over the next several months. An interesting point is that De Beers has invested R70 million in a new weather station at Venetia. This is linked to South African Weather Services and will give timely warning of heavy rainfall events and enable the mine to prepare in advance for possible excessive water ingress.

De Beers Consolidated Mines, +27 (0) 11 374 7000, www.debeersgroup.com 18

Pipes, Pumps and Valves Africa - Mar/Apr 2022

Decreasing downtime while increasing pumping efficiencies with AQS Liquid Transfer

PUMPS

From handling tailings to dewatering flooded sections, there is no doubt that mines rely heavily on pumps to keep things flowing. With the growing demand to increase production, gold mines are required to mine further and deeper to ultimately reach rich reserves. In order to achieve this, one of the most essential parts of mining operations are the requirements for high pressure water underground, including feed water for the drills. However, some of the world’s gold is mined at depths of up to four kilometres. This in itself can pose problems such as, occasional rock bursts, groundwater seepage and an everpresent danger of flooding. It is no wonder that dewatering is crucial to maintaining production. The extreme depth required in the gold mining processes can also result in miners being exposed to extremely high temperatures at the rock face. In order to reduce those temperatures, refrigeration plants and chilled water pumps are used continuously to maintain relatively comfortable working temperatures. These systems are underground and are used in conjunction with the ventilation systems as part of the total mining cooling process. AQS Liquid Transfer’s pressure boosting systems can be used for dust suppression below and above the ground as well as in the successful supply of high-pressure water to feed the monitor guns in the remining process. When it comes to the surface processes, water requirements are vast and sometimes require specialist knowledge to effectively facilitate the effective use of equipment to achieve optimal production. The use of static or mobile pumping systems can be applied to best meet each applications’ requirements. In some cases, the need to design and build floating pumping stations

Pipes, Pumps and Valves Africa - Mar/Apr 2022

prove to be the best options. AQS Liquid Transfer’s wide range of pumps is available to address the challenges of mine dewatering and process water applications without sacrificing production or performance. Our diversified range of products and services allow us to be part of the effective support team to the mines. Our team of highly qualified engineers are available to address very technical applications to ensure maximum efficiency while decreasing downtime. AQS Liquid Transfer is part of Axel Johnson International, a global industrial group of more than 150 companies in 30 countries. Axel Johnson International drives business development and growth through a long-term approach to ownership in strategically selected niche markets, primarily technical components and solutions for industrial processes. Axel Johnson International is organised in six business groups: Driveline Solutions, Fluid Handling Solutions, Industrial Solutions, Lifting Solutions, Power Transmission Solutions and Transport Solutions. Axel Johnson International is part of the Swedish family-owned corporate group Axel Johnson. AQS Liquid Transfer, +27 (0) 12 548 7204, aqsmontana@aqslt.co.za, www.aqsliquidtransfer.co.za

IT’S TIME TO GET BACK TO BUSINESS… FACE-TO-FACE

7 - 9 JUNE 2022 GALLAGHER CONVENTION CENTRE, JOHANNESBURG

CONNECT WITH SOUTHERN AFRICA’S CONSTRUCTION INDUSTRY The Big 5 Construct Southern Africa, previously African Construction Expo, is a significant contributor to the economic growth, recovery and transformation within Southern Africa’s construction industry with a special focus on facilitating buyer/seller face-to-face connections and showcasing the most innovative solutions for the region.

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Pump leader triples dewatering fleet as rains plague mines

PUMPS

Flooding of open pit mines and quarries has become widespread following intense and unseasonal rainfall in many parts of South Africa recently, demanding added dewatering capacity. Lee Vine, managing director of dewatering pump specialist Integrated Pump Rental, says the rains have had a dire effect on many mining operations – leading to increased demand for the company’s rental and contract services. Vine highlights that unexpectedly high rainfall events generate large volumes of water that need to be pumped out rapidly. “Even though many of our customers are on top of their operational requirements, some were unprepared for the huge volumes of groundwater that flowed onto and out of their operations,” he says. “This called for an urgent response, especially in those cases where flooding threatened to disrupt or even halt mine production – as this would severely affect bottom line performance.” He also emphasises the safety issues related to excess water in mining operations, adding to the importance of quick and effective solutions. These require not only the input of experts with plenty of experience in assessing dewatering applications, but a service provider with enough units of sufficient capacity to do the job. “Our large and varied rental fleet has allowed us to assist numerous mining operations with emergency dewatering,”

Pipes, Pumps and Valves Africa - Mar/Apr 2022

he says. “We have even augmented our fleet further with new units to ensure we meet the growing need.” In fact, Integrated Pump Rental has almost tripled the size of its rental fleet since late 2021, adding a range of new dieseldriven pump sets to its population. “We are well known for responding effectively and without much warning, and much of our success as a dewatering pump specialist is based on having a large enough fleet to always have capacity for the unexpected,” he says. “The depth of our rental fleet also means that we can cater for varying dewatering application needs.” The company relies mainly on the well-proven Sykes brand of pumps, which boast a reputation for fast and effective removal of clean water, slimes, sewage, sludge and liquids laden with solids. These diesel driven fully automatic priming pumps can manage lifts of up to 9 metres, and feature an oil bath mechanical seal assembly which allows units to run dry for long periods. Integrated Pump Rental, +27 (0) 11 894 2906, admin@pumprental.co.za, www.pumprental.co.za

The perfect pump for pharmaceutical applications It goes without saying that the pharmaceutical industry has high hygienic requirements when it comes to the safety of its products. There can be no compromise in any part of the development supply chain.

Let’s consider the travel path liquids take behind the scenes. From lab scale development through the pilot phase and finally full production, each type of fluid requires a specific solution and technology to ensure its optimum delivery. Considerations include bulk handling, upstream or downstream processing, and utilities. Each of these stages have their own challenges, applications, and pump solutions. Then there is the liquid itself. Whether it’s extremely high or low viscosity, shear sensitive liquids, or abrasive fluids, each reacts differently to the environment. As such, there are a range of fit-for-purpose pumping solutions that are certified to the highest hygienic standards. These must be long-lasting, and efficient, while also being available cost-effectively. In addition to the pharmaceutical sector, these pumps can fulfil several applications across food and beverage product lines. Regardless of the application, and in addition to being certified, hygienic pumps must be available in different

surface qualities. Furthermore, they must deliver the best cleaning and self-draining capabilities. In laboratory and pharmaceutical environments, processes must be reliable, repeatable, and error-free. Technicians must have access to high quality equipment and machinery that is reliable and meet the highest hygiene standards and accuracy rates all the time. Take the complexities of soap and detergents, for example. These are produced for a range of applications in industry. Soap is often a basic ingredient in the process industry and in the cosmetic and pharmaceutical industries.

PUMPS

When it comes to fluids, this becomes a monumental challenge. How to move or scale up the flow path of liquids for modern production methods can only be done with access to world-class pumps designed for the unique needs of pharmaceuticals. Selecting the right pump to do the job becomes a non-negotiable.

An example is the pumping of industrial detergents; either chlorinated, alkaline or silicate containing. To this end, a peristaltic pump delivers a low shear, aseptic dispensing solution. Additionally, lab equipment can be disinfected using peristaltic pumps. Because a peristaltic pump keeps the pump media entirely within the tube there is no chance of cross contamination. Ultimately, without the right pump in place, pharmaceutical companies cannot fulfil their core mandate. Verder Pumps, +27 (0) 11 704 7500, info@verder.co.za, www.verder.co.za

A COMPLETE RANGE OF PUMPS FROM ONE MANUFACTURER

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22-VR_Pharma_AD_Pharma_180x65mm_sa.indd 1

07-04-2022 14:08

Pipes, Pumps and Valves Africa - Mar/Apr 2022

Pipes, Pumps & Valves Africa & Lifting Africa Golf Day 2022

Thank you to all our Sponspors:

Werner Pumps secures contract for 9 trucks for Ethekwini Werner Pumps has secured a contract for nine of its locally manufactured highpowered jetting and vacuuming truck units through a contractor to the eThekwini Municipality. The order is part of a much larger fleet contract for 147 vehicles.

PUMPS

Werner Pumps, as a leading supplier of South African built high-pressure jetting equipment with a 30-year track record, will be supplying the sewer and stormwater maintenance truck units. “It’s a specialist aspect of the fleet and we’re excited to be part of the drive to improve waste water service delivery in KwaZulu-Natal,” says Sebastian Werner, MD of Werner Pumps. “We’re supplying one combination unit and eight jetting units.” The trucks need to be manufactured and delivered by June 2022, so Werner says it’s all-hands on deck at the company’s 6000m2 premises in Springs, where Werner Pumps builds the truck-mounted units from scratch. The company also operates a service and maintenance service, delivers operator training, supplies a full range of spares and accessories, and offers a rental unit from its headquarters. It has a national presence and has been on an expansion drive in recent years, adding everything from flexible financing solutions to investing in its manufacturing capabilities. The trucks on order include the Werner Basic 12.500l combination unit, which has a capacity of 230l/min at 250

Pipes, Pumps and Valves Africa - Mar/Apr 2022

bar and is fitted with a pneumatically operated regulating valve, making pressure adjustment simple and contributing to operator safety. The vacuum pump has a 400 litres/sec suction capability and the vehicle is fitted with a 12.500 litre stainless steel tank. Other features include a manual slewing suction boom, one hydraulic-driven hose reel and multiple toolboxes. The other eight trucks are Werner Hippo Jetting 5000l units, which has a Werner high-pressure piston plunger pump with a capacity of 230l/min and a max 250-bar pressure. “It’s wonderful to be busy and to see the fruits of our hard work,” says Werner. “We hope that this contract will develop into future fleet contracts for eThekwini Municipality, as well as other municipalities around South Africa.” Werner Pumps, +27 (0) 11 362 6280, sebastian@wernerpumps.com, www.wernerpumps.com

A LONG DISTANCE RELATIONSHIP THAT WORKS.

MDX, LSA, LCC and LCV – Heavy Duty Mining Pumps

Wear Resistant, High Performance – Global Quality Mining Pumps. KSB South Africa is a globally recognized pump solutions provider that manufactures globally recognized products locally to the highest quality standards both internationally and locally. We not only manufacture and service your slurry pumps, we offer total slurry solutions to your industry. With a modern Manufacturing, Sales and Service facility in Johannesburg, 9 branches in South Africa, as well as legal entities in Nigeria, Kenya, Zambia, Namibia and Angola – KSB is represented throughout the whole country.

One team - one goal. KSB Pumps and Valves (Pty) Ltd • www.ksb.com/en-za • Your Level 1 B-BBEE Partner

The Abrasive Flow Solutions (AFS) team celebrated the company’s first year of business VALVES

AFS, which specialises in the design and manufacture of slurry-related valves, was established by the Engineering Solutions Group (ESG) of Invicta Holdings Limited, as part of the Group’s strategy to expand its fluid technology services in Africa. “The AFS team works closely with our sister company BMG, to extend specialist services, through the design, distribution, supply and support of a broad range of slurryrelated valves, including Klep diaphragm and wedge gate valves,” says Donald Morrison, General Manager, AFS. “Our specialists successfully achieved their first challenge, which they set for themselves when the company was established - to improve the quality of diaphragm valves, by extending service life and reducing the maintenance requirements of this range. This goal was achieved through hard work and the implementation of advanced design technologies, materials and coatings and is a great tribute to our team. “Important milestones over the last year include the establishment of a new rubber lining facility, with the installation of autoclaves that have capacities of up to

Pipes, Pumps and Valves Africa - Mar/Apr 2022

10 m in length. In the rubber industry, autoclaves are used to vulcanise rubber products, which are not yet stable dimensionally, by elevating heat and pressure. An autoclave is similar to a huge oven, with extremely high temperature and pressure ratings, that make rubber parts stable and solid in size and shape. “Another advancement is a new pinch valve sleeve manufacturing facility within our new rubber lining and sleeve manufacturing facility. “We are now able to manufacture all pinch sleeves, including high pressure and pneumatic sleeves. AFS pinch sleeves are manufactured from the highest quality rubber products, that are supplied by Rema Tip Top. We have also made a significant investment to extend our hydraulic pressing facility and through our new design and process, we are able to manufacture high-pressure diaphragms

capable of pressures in excess of 20 Bar. “AFS has enhanced the design and production of its slurry knife gate valve range, with dimensions ranging in diameter from a 50 mm unit to 1.5 m valves. The range includes flanged, wafer, lugged, urethane lined and high-pressure knife gate valves. “BMG also distributes a locally manufactured range of abrasion-resistant valves for Dual Products International. These products include pinch valves, new water air release valves, Resilient Seated Gate (RSV) valves and rotary disc sleeve valves. AFS has recently manufactured and factorytested some larger DN 700 hydraulically operated 20 Bar valves for a customer in Europe.

VALVES

“Recently launched Dual rotary disc sleeve valves comprise an advanced rotating gate valve with sleeve design, developed specifically for heavy abrasive and corrosive slurries and water and wastewater installations. This patented design allows the valve to cycle through heavy slurries without sticking. Wafer, flanged and high-pressure variants are available. “Our highly skilled team has a thorough understanding of the processes where valves are installed and is able to specify the correct valves required for every application. We also assist customers in solving the problems of difficult installations and applications. “To ensure optimum safety, efficiency and the extended service life of each system, the selection of the correct industrial slurry valve is critical. Valve selection is based on various factors, including the size and shape of particles, pressure, temperatures and chemical content.” This AFS portfolio is particularly well-suited for use in harsh conditions in diverse industries, including mining, chemical and petrochemical, water and wastewater, energy production and agri-food industries. Important installations recently, have been in mining slurry, tailings dams, and acid pumping applications, which rely on plant availability and the safe operation of valves.

Another achievement for AFS is that ESG has recently achieved recognition as a Level 2 contributor to BroadBased Black Economic Empowerment (B-BBEE), which means customers can claim BEE procurement recognition of 125 % against all purchases. Abrasive Flow Solutions (AFS), +27 (0) 76 463 3846, candiceo@abrasiveflowsolutions.com, www.abrasiveflowsolutions.com

Pipes, Pumps and Valves Africa - Mar/Apr 2022

VALVES

Thermoplastic pipe standards will lead to a more sustainable infrastructure The debate surrounding standards is a political hot potato. And as the great potato debate rages on, it should not be too difficult to acknowledge why there is a need for every industry, from food processing to furniture manufacturing to pharmaceuticals, to have a set of standards that governs both products and services and identifies best practices. The Kenya Bureau of Standards (KEBS) correctly states that standards help to ensure that products and services are fit for their desired purpose and that they comply with accepted best practice. Similarly, the Institution of Civil Engineers (ICE) states: “A Standard can be defined as an agreed, repeatable way of doing business. It is a published document that contains a technical specification or other precise criteria designed to be used consistently as a rule, guideline, or definition.” “Standards help to make life simpler and to increase the reliability and effectiveness of many goods and services we use.” Source ICE – Institution of Civil Engineers This explains why there are periodic reviews, improvements, and amendments to standards right across the World. One product that is beginning to play a crucial role in Kenya’s multibillion infrastructure sector is thermoplastic structured wall pipes. In the last two years, structured wall HDPE pipes have been introduced into the Kenyan water sector and the

major benefits over traditional materials are already being recognised. Some thermoplastic pipes such as Weholite have a proven 100-year service life and will play a key role in Kenya’s infrastructure by bringing a level of sustainability that has never been seen before. Additionally, the lightweight nature of thermoplastic structured wall pipes makes them ideal for urban installations where minimal disruption to the local community is vitally important. Thermoplastic pipes bring a far higher value proposition than traditional alternatives. That is, when the total cost is analysed including maintenance, serviceability, and installation, and compared to traditional materials such as concrete; significant savings are realised, For Kenya to fully realise the potential of structured wall thermoplastic pipes there is a need to ensure that these products fully comply with established international product standards such as BS EN 13746 and its sister publication ISO 21138. These documents assure a high level of manufacturing process and product quality thus ensuring that Kenya can install best value pipes from World class production plants. It is important that Kenya begins adopting these standards because of the important role water plays in our lives, from drinking to sanitation management. Adopting these standards will give customers an assurance that products managing water are fit for purpose. Regulators can play their part by introducing a product certification scheme where pipes that meet these standards are given the KEBS Standardisation Mark, which is issued to a company whose products conforms to requirements in certain standards in this case the BS EN 13746 and ISO 21138. These positive actions will play a critical role in ensuring Kenya’s water sector is sustainable.

Megapipes Solutions, sales@megapipes.com, www.megapipes.com 30

Pipes, Pumps and Valves Africa - Mar/Apr 2022

D-060 high flow Combination Air Valve The D-060 Combination Air Valve is designed to automatically release small pockets of air to the atmosphere as they accumulate along a pipeline or piping system when it is full and operating under pressure and to automatically discharge or admit large volumes of air during the filling or draining of a pipeline or piping system. Now in 1" (25 mm) also!

VALVES

New products for the underground system family • D-023 SB, S-025 SB for Wastewater Applications • D-060 SB D-060NS SB for Water Supply Applications The Underground Systems combine the reliable and efficient properties of the A.R.I. air valves for wastewater and water supply with the added feature of a sub-surface valve that can be buried below ground. Since the service and maintenance operations of the unit are performed entirely from the surface, there is no need for safety considerations associated with confined space entry. K-060 vb – high flow vacuum breaker for wastewater and water supply applications K-060 VB – High Flow Vacuum Breaker for Wastewater and Water Supply Applications - protects the system by opening quickly to automatically admit large quantities of air into the system at and below internal atmospheric pressure. The K-060 VB is suitable for water conveyance systems and wastewater conveyance systems.

A.R.I Optimal Flow Solutions, +27 (0) 79 492 3043, info@ariafrica.co.za, www.ariafrica.co.za

The proof is in the pudding We have said for many years that Vesconite bushings last up to ten times longer than bronze. But, since the proof is in the pudding, we have conducted in-house tests to prove this. We have found that Vesconite outperforms bronze, particularly when bronze is ungreased. Even when bronze is greased, Vesconite without greasing gives much better results than bronze with grease. Yes, Vesconite with no grease lasts longer than bronze with grease. Long lasting in in-house tests Testing bronze with grease With greasing in our test, bronze performs well with continuous use. But only for three hours of operation. At three hours, the bronze coefficient of friction increases significantly, and grease needs to be reapplied. With greased bronze bearings, friction forces become significant with time and wear is pronounced. Testing bronze without grease In in-house testing with no grease, the co-efficient of friction of the bronze increases dramatically until one hour has passed. After five hours of continuous use, bronze fails. Our bronze test samples also show considerable wear and deformation. The issue of greasing Vesconite has a largely steady co-efficient of friction when it is ungreased. A single application of grease reduces Vesconite’s coefficient of friction and increases its life.

Again the coefficient of friction, at this lower level, is largely steady. Since Vesconite is internally lubricated, unlike bronze, it does not need additional greasing in most applications. This saves on time, labour and greasing costs. Self-lubrication also makes Vesconite bearing materials suitable for outdoor environments in which greasing is irregular or where grease is quickly washed off. Vesconite bearing materials are also suited to oscillating applications, such as grabs, where the grease may not be spread if the oscillations are minimal. Vesconite, +27 (0) 11 616 1111, vesconite@vesconite.com, www.vesconite.com

Pipes, Pumps and Valves Africa - Mar/Apr 2022

VALVES

Ceramic ball valves lower costs and improve longevity in water treatment applications Compared to solenoid valves, ceramic ball valves offer improved longevity and wear resistance, and lower costs. According to Anelia Hough, water treatment consultant at Allmech, a leading South African manufacturer of boilers and supplier of water treatment components, they’re ideal for water-saving systems, industrial automatic control systems, automatic sewage systems, environmental protection projects, water supply and drainage, food and water treatment, and irrigation systems. Hough says that the proprietary 3-way Runxin valves that Allmech stocks have proven especially useful in water treatment applications. “Recently, one of our customers installed a filtration plant to treat surface water coming from a nearby river,” she says. “Water turbidity was the main challenge. Due to the quality of incoming water, the backwash cycle needed cleaned, filtered water. The objective in this application was to ensure the filter media beds were thoroughly cleaned during backwash cycles. During a backwash, the media should be adequately raised and mixed to get rid of contaminants. We installed a single L-shaped 3-way ceramic valve instead of two solenoid valves, switching or diverting the flow direction of the incoming water between raw river water and filtered water. When multiple units need clean water diverted, there is an exponential saving.” In the service position, the 3-way valve allowed raw water from the river to be treated, but once the control valve position was changed back to start the backwash, the 3-way valve changed position to allow clean water for backwash cycle to enter the valve. Another Allmech customer operates a dairy manufacturing facility that operates 24/7. Part of the company’s operation is its boiler, which provides steam into the facility. A duplex water softener was installed with two softener control valves.

Pipes, Pumps and Valves Africa - Mar/Apr 2022

“The Runxin F74 softener control valves have a function to interlock valves in parallel system to have one valve in regeneration, but the other valve is in service,” says Hough. “Allmech installed a 3-way valve to change the water flow from standby unit to the service unit within seconds. The objective in this application was to ensure soft water would be supplied 24/7 to the boiler. Because the system ensured that one valve was regenerating while the other was in service, the customer only required one brine tank, which resulted in further cost savings.” Runxin’s ceramic ball valves provides several design features to improve performance compared to ball valves made from traditional materials, the biggest of which is the longevity of the parts. The valves are hermetically-sealed, so they have extremely high resistance to corrosion, abrasion, and chemicals, to stand up to the toughest water treatment challenges. The ball cores and seats are precisely ground in pair to ensure zero leakage. Each of the plastic options comes with a choice of connection between metric female thread and uPVC Glue and some of the valves are available in different grades of steel. Allmech, +27 (0) 87 985 0402, lionelm@allmech.co.za, www.allmech.co.za

TAKING CONSTRUCTION

TO THE NEXT LEVEL.

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MARCH 14-18 / 2023 / LAS VEGAS / NEVADA

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2020 Attendee Missy Scherber, T. Scherber Demolition & Excavating

PCI’s wastewater plant expansion relies on WEG motors

WATER

Water purification specialist PCI Africa has expanded the treatment capacity of a wastewater plant south of Johannesburg, installing over 65 WEG motors for optimal performance, reliability and energy efficiency. The project involved the addition of an extra module to the existing wastewater treatment plant, allowing it to treat another 50,000 cubic metres of water each day. Ongoing urban migration and development in the area has demanded that the region’s wastewater treatment facilities continue to increase their capacity. According to Lebo Rathebe, proposals manager at PCI Africa, the mechanical portion of the contract included the inlet works, 25 metre diameter primary settling tanks (PSTs), a biological reactor, secondary settling tanks and dewatering facilities. “We added a sixth module to the plant, which included the installation of two screw pumps to feed the PSTs, with four front rake screens and hydroconveyors,” says Rathebe. “The PSTs were fitted with 30 metre long half bridges and two recycle pumps per tank.” The new module treats water using a three-stage process for the biological removal of nitrogen and phosphorous, he explains. Influent – the incoming stream to the plant – first enters an anaerobic reactor before reaching an anoxic reactor and finally an aerobic reactor. “Recycle pumps transfer part of the stream from the anoxic reactor back to the anaerobic reactor, to preserve microbiological matter and keep the solution homogenous,” he says. “There are also recycle pumps to move some of the stream back from

the aerobic reactor to the anoxic reactor.” The WEG W22 motors, supplied by Zest WEG, to this project mainly power the numerous pumps on the site as well as the mixers and agitators, says Dillon Govender, Zest WEG’s sector specialist for public sector business development. The motors on this site range mainly from 30 kW to 90 kW flange-mounted units and also include pad foot-mounted motors from 1,5 kW to 37 kW. “WEG motors are installed in all major processes, from screening, de-gritting, primary settling biological nutrient removal reactors, secondary settling and waste sludge thickening up to dewatering,” says Govender. “Our role in this project demonstrates our growing contribution within the wastewater sector in South Africa and the continent generally.” In this project, WEG motors are also driving the pumps for return activated sludge and waste activated sludge. He highlights the demanding nature of wastewater applications, given the high levels of corrosion that can occur if equipment is not suitably designed and manufactured. “The Class H insulation on these WEG motors enhances their durability and lifespan, allowing them to withstand a higher temperature rise,” he says. “The contract also specified the inclusion of anticondensation heaters for all motors of 4 kW and above. Our motors on site also boast paint plan 212P as well as IP66 ingress protection to help keep them free of moisture or dust.” With the rising cost of electricity, it was vital for the motors to run at high efficiencies to control the plant’s operating costs. Zest WEG supplied its IE3 top premium efficiency motors to satisfy the client’s specifications and ensure the owner achieves the lowest cost of ownership. Govender notes that Zest WEG also offers IE4 motors, the next level of efficiency. Rathebe emphasises the advantage of having Zest WEG supply almost all the motors on the project, saying this made life easier for both the contractor and the end-user. “In terms of ongoing operation, the plant owner can economise on the spares they carry, and be assured of responsive after-sales support,” he says. “As the contractor executing this project, it was easier for us to have one source of responsibility when dealing with the supplier.” Govender concludes that the quality, robustness and efficiency of WEG motors allows Zest WEG to offer a fiveyear guarantee, giving customers not only value for money but peace of mind that operations will not be disrupted by unexpected stoppages. Zest WEG, +27 (0) 11 723 6000, info@zestweg.com, www.zestweg.com

Pipes, Pumps and Valves Africa - Mar/Apr 2022

Regulate it, don’t let the pressure regulate you Start it, stop it, or regulate it with our range of approved gate, globe and check valves. At Macsteel, we source the highest quality products (including L&T Valves) suitable for the Oil and Gas industry. We also carry more stock of approved GGC products than anyone else, ensuring you’re always on top of your infrastructure needs.

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INDUSTRY NEWS

Notification of leadership appointment for JC Impellers Foundry (Pty) Ltd Customer centricity is one of the core values for JC Impellers Foundry (Pty) Ltd. As we continue to respond to Customer requirements and ever-changing market conditions, the shareholders of JC Impellers Foundry have approved the appointment of Mr Monwabisi Gladman Mkwai (082 877 9808 and gladman@ jcimpellers.co.za) as the Managing Director for JC Impeller Foundry (Pty) Ltd effective from 01 May 2022. Mr Mkwai brings vast knowledge and experience to the business and has served in many executive leadership roles throughout his exemplary career in mining, energy and power generation industries. He will be supported by Mr Thulani Mtshali (083 508 4364 and thulanim@ gabadela.co.za) as the Finance Manager for the business. Mr Sebastian Pasquallie will support the new management team during the transition phase to ensure continuity. JC Impellers Foundry values the support received over the years from Customers and Suppliers and commits to

continue to offer improved service quality. We take this opportunity to thank you for the continued mutually beneficial business relationship and look forward to many more memorable partnerships. Impellers Foundry, +27 (0) 11 827 1913, info@jcimpellers.co.za, www.jcimpellers.co.za/

Pipes, Pumps and Valves Africa - Mar/Apr 2022

INDUSTRY NEWS

Lights, camera, action! Mechanical looseness in equipment is pervasive and oftentimes undetected for too long. In many instances, looseness is not properly identified as the root cause of high vibration. Using cameras and new technology, pump operators can now quickly understand what is happening to their equipment, but more importantly, how to fix it. Technology that allows users to enhance and measure motion with the use of video is taking the pump industry by storm. Designed and developed by Jeff Hay, Founder and CEO at RDI Technologies, it is changing the way users see machinery and maintenance, moving industrial vibration to the visual spectrum. A former research scientist at the University of Louisville where he developed new optical sensing technologies his initial application of the technology he invented was in the field of astronomy. Realizing the potential, he decided to form RDI Technologies to bring camera-based vibration and motion monitoring to the market. “In its simplest form the technology delivers the ability to see movement not visible with the naked eye,” he said during a recent webinar. “Seeing where the movement allows one to be able to understand how the machine is behaving, what is happening to your equipment and most importantly, how you can then fix it.” With his background in astronomy, Hay has for years been using cameras to learn something about objects at a distance.

“Whether it is a star light-year away or a motor and pump a few feet away the concept is the same. It is about the ability to see the movement that exists even though it is not visible.” Using a car engine as an example, he said popping the hood would allow one to hear the engine running and even to feel the vibration if touched. “One cannot see the movement but using this technology one can see the movement that is taking place. The same for a glass that is hit with a fork. You will hear the sound, but you would need this technology to see the movement when the glass vibrates at 780 hertz.” According to Hay, what motion amplification does is turn the camera into a displacement sensor. “It measures the displacement across the entire field. Once we have done that we can then increase the levels of that displacement and show what is truly moving.” Moving pumps Applying the motion amplification to a pump system Hay showed how the machine was moving even though this was not visible when just looking at it. “Traditionally if you realize there is a lot of movement in the pump or something is loose, one would put a sensor on it and get a reading to determine what is going on and to try and establish the cause before setting out to fix it. Considering that some 20 different things could be responsible for the vibration or that you only realized the pump was vibrating when you came across the looseness this could take a while.” Motion amplification, however, allows for an immediate pinpointing of the problem. “With the power of the camera, the looseness can be identified within a matter of seconds.” Furthermore, by drawing virtual sensors on the equipment the technology also allows one to measure vibration. “With this, we can track the motion and the path that it is taking. The technology is not just limited to visualizing the movement but measuring the vibrations. Any point in the image is fair game and we can make measurements in absolute values of displacement for example it is moving so many millimeters or inches per second.” Numerous benefits Launched in 2016 the technology has steadily been gaining ground as the value and benefit is being realized, said Hay. “It is not necessarily replacing any of the current tools being used in the operation to measure vibration, but it is taking it up a notch. Using a standard HD camera, which is pretty modest by today’s standards for cameras, there would be over two

Pipes, Pumps and Valves Africa - Mar/Apr 2022

INDUSTRY NEWS

lve

million displacement measures that one can make across an entire scene,” explained Hay. “This technology allows you to scale up your data collection up to millions of points without any additional sensors or costs. It becomes very easy to see what is vibrating in your operation and why.” Also, considering that the technology amplified what was being seen hundreds of times, it allowed for extreme detail. “If you divide a human hair into three hundred parts then you have an idea of the level that we can see.” Other than being able to measure large fields of view, it was also an incredibly powerful communications tool. “It takes away the need to explain that a pump is moving or that there is looseness as even the most non-technical people can see what is happening to the equipment and where the movement is.” “We have found that using this there is far quicker buyin and complete understanding of problems allowing for faster reactionary times to address the challenge.”

Bilfinger Intervalve Africa (Pty) Ltd. is one of the enterprises in Bilfinger Power Africa (Pty) Ltd., the South African subsidiary of German based Bilfinger SE. For years, we have been adding value to the power, mining, paper pulping and broader industry through comprehensive valve supply, valve maintenance and heat treatment solutions. www.intervalve.bilfinger.com

He said the setup was minimal and portable. “It takes a few minutes and is easy to deploy. Furthermore, it is actionable information as the results are easy to see immediately.” He said it also allowed for improved safety in operations and was very useful in inaccessible locations. RDI Technologies, contact@rditechnologies.com, www.rditechnologies.com

WE MAKE VALVE SUPPLY WORK

7823 Bilfinger Intervalve - Pipes, Pumps & Valves Africa advert 130(h) x 180mm(w) Valves - Pr1.indd 1

2021/02/17 4:10 PM

Pipes, Pumps and Valves Africa - Mar/Apr 2022

INDUSTRY NEWS

Taking the guesswork out of maintenance Medium-voltage drives are often exposed to extreme stresses that can cause wear and tear over their lifetime. Without regular maintenance, damage often goes undetected until an equipment failure. Kevin Wissner, R&D Department Manager at Siemens Large Drives Applications shared his thoughts on improving the data quality of medium voltage drivers to reduce downtime. Few could have predicted Industry 4.0 – an industrial revolution not quite like its three predecessors. This is a gamechanger, across all industries, but it is in particular in the maintenance sector that one can find its true value. From steam power back in the 18th century when the world first industrialized to the introduction of new sources of power such as oil and gas, mechanization and mass production have taken manufacturing by storm. Over the past 50 years, computers have been integrated into operations and automation has become the norm. For Wissner, there is much to be excited about when it comes to Industry 4.0 and the developments that it brings. “This is more than just increasing automation but about the deployment of smarter features to deliver smarter machines for smarter factories. The discussion is now about data and how we can derive value out of it to improve efficiency and manage cost in our businesses.” When it comes to medium-voltage drives, Wissner says there is real value in investing in smarter machines and exploring what that can mean to an operation. Data, he says, is the driving force in this new environment. The 5 V’s Data explains Wissner, has 5 common characteristics. “The first is volume. The amount of data that you have is important. The second critical V is variety – you need different formats of data being produced from various sources. Then the value of the data is important. Some of the data collected will be of no use, so the ability to extract

Pipes, Pumps and Valves Africa - Mar/Apr 2022

the useful data is what matters.” The other characteristic is velocity. In the fast-paced modern world, the speed of data accumulation and the speed at which it can be extracted and used is what are of critical importance. “Lastly, is the veracity. This is important because typically in any big data there will be some inaccuracy and this characteristic speaks to being able to identify the inconsistencies that exist in the data and getting rid of that.” With about 80% of businesses only in the early stages of industrial digital transformation there is still a huge amount to be learned and gained from this new industrial revolution, says Wissner. “To date, one of the reasons why we have not seen a faster transformation is due to the lack of data. Historically, industrial type businesses and processes have not been focused on data gathering and so the systems are simply not in place to capture the data that can be used to drive the improvements.” Big data analytics, artificial intelligence, and other innovative technologies have also been found to be more effective in the later stages of digital transformation. Changing environment According to Wissner, equipment design is the first step to improving data quality and visibility. “We are now introducing smarter medium voltage drives. A smart system has three major components.

He says already the industry is benefitting from the smarter equipment being developed. “For the longest time, reactive maintenance was the norm. This is a run-tofailure approach and repairs are unplanned. This approach typically works for non-essential or low-cost equipment that can easily be repaired or replaced.” Preventative maintenance – a far more preferred approach – saw businesses establish a routine of regularly inspecting equipment to look for and fix issues before they turn into major problems. “This is a periodic approach and less costly for an operation than reactive maintenance. Smarter machines, however, allow for condition-based maintenance which is where the real benefit lies. This is where the pumps or systems are giving early warnings of the potential failure,” explains Wissner. “When conditions reach a pre-determined unacceptable level, equipment is repaired. Realtime equipment condition is considered for planning the time

and scope of repair.” Not only is this a far more predictable approach but also far more cost-effective as downtime is reduced and unexpected failures are completely removed from the equation. “Condition-based maintenance provides tangible business benefits,” says Wissner. Studies have shown this includes a reduction in maintenance costs of between 25% to 30%, elimination of equipment failure of up to 75%, a 35 – 45% reduction in downtime, an increase in production of 25 and ten times return on investment.

INDUSTRY NEWS

A sensor or sensors to capture data from an environment, a microprocessor to handle the output of the sensor via programming; and communications capabilities to enable the system to communicate the microprocessor’s output for action.”

“Condition-based monitoring ensures unparalleled reliability, availability and enhanced maintenance. Realtime sensors that are integrated into the drive system allow for a variety of conditions to be monitored ensuring maintenance of your equipment is never reactive.” Wissner says some of the conditions monitored by these integral sensors include, but are not limited to ambient temperature, humidity or the presence of chemicals like hydrogen sulfide. Siemens South Africa, +27 (0) 11 652 2000, discover.za@siemens.com, www.siemens.co.za

Overhaul after 10 years The valves were in use for about 10 years, the total of five 20″ and 16″ plug valves with full bore design at our customer’s plant (manufacturer of polypropylene and polyethylene). Now the valves have been completely overhauled while the customer‘s plant was in a planned maintenance shutdown, starting at the end of April. In the meantime, the valves have been delivered to the customer and reinstalled, where they continue to function reliably as is expected of AZ Armaturen. Repair time at AZ Mönchweiler was 3 weeks only. AZ Armaturen, +27 (0) 11 397 3665, sales@az-armaturen.co.za, www.az-armaturen.co.za

Pipes, Pumps and Valves Africa - Mar/Apr 2022

INDUSTRY NEWS

AQS Liquid Transfer’s largest pontoon The infrastructure challenges that we currently are experiencing often result in the need for innovative solutions around water management and ongoing development of equipment. The problem presented was the extreme rise in water levels in the Klippan dam resulting in flooding of the surrounding areas which included the local golf course and parts of a gold processing plant. The major risk was the potential flooding of the electrical system of the gold plant. Any number of possible solutions were considered, however the challenges of a receding shoreline during the dewatering of the dam would require the consistent movement of the traditional shore mounted pump sets. These sets would need to be either trailer or skid mounted exposing them to tampering or theft due to their location. After assessment of the options by AQS Liquid Transfer and the client, it was decided that the best option was to create “floating pump stations” by mounting the pumps and motors on steel hulled pontoons and placing them “offshore”. This method would prevent easy access to the equipment limiting tampering and theft. The other major benefit is the ability to relocate the pontoons as the water level recedes without having to do any additional civils or structure. The only requirement would be to lay down new anchors. With our understanding of the suction requirements of the pumps as well as the buoyancy and Center of mass requirements we designed two identical pontoons each with a total mass of 9500kg. Each pump set comprises a Vega VIX 250-4 close coupled to a 110kW 1480rpm

Pipes, Pumps and Valves Africa - Mar/Apr 2022

electric motor. These pumps are mounted at 30 degrees to facilitate priming by submerging the eye of the impeller, eliminating the need for expensive priming devices. Each pump set delivers 210 litres/second into a 4.2km 450mm pipeline with a difference in elevation of 19 meters into a canal. The manufacturing of the pontoons was done in Johannesburg with strict quality controls and proper project planning allowing us to complete the five stages of the project with a 100% on time delivery. These stages were: 1. Consultation, Assessment and Design 2. Drawing submission and Quotation 3. Manufacture – Trial assembly, Sand blasting and Coating 4. Disassemble and deliver to site 5. Assemble, Install and Commission. The opportunities to use this type of equipment include to dewater, dredge or apply in different market segments such as multiple mining applications, dewatering and flood control. AQS Liquid Transfer, +27 (0) 12 548 7204, aqsmontana@aqslt.co.za, www.aqsliquidtransfer.co.za

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FIRE PUMPS

Sulzer Pumps (South Africa) (Pty) Ltd Steloy Foundries

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KSB (Pty) Ltd C.R.I Pumps S.A. (Pty) Ltd

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SALES, SPARES AND REPAIRS

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Mather & Platt

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Air & Vacuum Technologies

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AESPUMP SA

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APE Pumps

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SAM Engineering

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AESPUMP SA

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Aquaplex Pumps

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AESPUMP SA

C.R.I Pumps S.A. (Pty) Ltd

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APE Pumps

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PUMPS SELF PRIMING PUMPS

Sulzer Pumps (South Africa) (Pty) Ltd T: +27 (0) 11 820 6000 F: +27 (0) 11 820 6206 E: CSSEnquiries@sulzer.com W: www.sulzer.com PINCH PUMPS

VERTICAL SPINDLE PUMPS

KSB (Pty) Ltd C.R.I Pumps S.A. (Pty) Ltd

T: +27 (0) 11 805-8631 F: +27 (0) 11 805-8630 E: cri-za@crifluidsystems.com W: www.cripumps.co.za

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Walter Meano Engineering VersaFlo VSE Pumps T: +27 (0) 11 873-8620 F: +27 (0) 11 825-1401 E: wme@mweb.co.za W: www.versaflo.co.za

VERTICAL TURBINE PUMPS

LVSA Group (PTY) LTD

T: +27 (0) 11 680 2005 E: sales@lvsa.co.za W: www.lvsagroup.co.za PISTON PUMPS

Integrated Pump Rental

T: +27 (0) 11 894-2906 E: admin@pumprental.co.za W: www.pumprental.co.za SLURRY PUMPS

PRICE PUMPS, for Air Operated Double Diaphragm Pumps for harsh mining applications. A&VT are the SOLE Agents for Southern Africa.

Air & Vacuum Technologies SALES, SPARES AND REPAIRS

T: +27 (0) 861 822-832 +27 (0)11 318 3241/2/3/4 C: +27 (0)82 576 9373 E: burnm@vactech.co.za W: www.vactech.co.za info@vactech.co.za

0861 VACTEC (822 832)

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PRICE PUMPS, for Air Operated Double Diaphragm Pumps for harsh mining applications. A&VT are the SOLE Agents for Southern Africa.

Air & Vacuum Technologies SALES, SPARES AND REPAIRS

Hawk High Pressure Pumps T: +27 (0) 031 274-8555 +27 (0) 10 010-0144 F: +27 (0) 31 205-4332 +27 (0) 11 822-2868 E: sales@hawkpumps.co.za W: www.hawkpumps.co.za

PLUNGER PUMPS

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AESPUMP SA

T: +27 (0) 17 631-1003 F: +27 (0) 17 631-1002 E: craigg@aespump.co.za W: www.aespump.co.za

www.vactech.co.za

HORMA PUMPS (PTY) LTD T: +27 (0) 11 452 4300 F: +27 (0) 11 452 4400 C: +27 (0) 82 779 2464 E: sales@horma.co.za w: www.horma.co.za

C.R.I Pumps S.A. (Pty) Ltd

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Integrated Pump Rental

T: +27 (0) 11 894-2906 E: admin@pumprental.co.za W: www.pumprental.co.za

Hawk High Pressure Pumps T: +27 (0) 031 274-8555 +27 (0) 10 010-0144 F: +27 (0) 31 205-4332 +27 (0) 11 822-2868 E: sales@hawkpumps.co.za W: www.hawkpumps.co.za

POSITIVE DISPLACEMENT PUMPS

SUBMERSIBLE PUMPS

T: +27 (0) 11 824-4810 E: info@pumptechnology.co.za W: www.pumptechnology.co.za

uality

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WASTEWATER PUMPS

VAC-CENT SERVICES (PTY) LTD.

Aquaplex Pumps

T: +27 (0) 76 476 4084 E: gavin@aquaplexpumps.co.za

AESPUMP SA

T: +27 (0) 17 631-1003 F: +27 (0) 17 631-1002 E: craigg@aespump.co.za W: www.aespump.co.za

Integrated Pump Technology

Integrated Pump Rental

VAC-CENT SERVICES (PTY) LTD T: +27 (0) 11 827 1536 F: +27 (0) 11 824 3590 E: info@vaccent.co.za W: www.vaccent.co.za

VERTICAL SUMP PUMPS

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KSB (Pty) Ltd

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KSB (Pty) Ltd Unique Engineering

T: +27 (0) 11 826-6111 F: +27 (0) 11 826-6162 E: sales@uniqueeng.co.za W: www.uniqueeng.co.za 44

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Pipes, Pumps and Valves Africa - Mar/Apr 2022

T: +27 (0) 11 876-5600 F: +27 (0) 11 822-2013 E: info-za@ksb.com W: www.ksb.com

KSB (Pty) Ltd

T: +27 (0) 11 876-5600 F: +27 (0) 11 822-2013 E: info-za@ksb.com W: www.ksb.com

VALVES BALL VALVES

CONTROL VALVES

KV Controls (Pty) Ltd LVSA Group (PTY) LTD

T: +27 (0) 16 100-4592 E: fred@kvcontrols.co.za W: www.kvcontrols.co.za

T: +27 (0) 11 680 2005 E: sales@lvsa.co.za W: www.lvsagroup.co.za

Bray Controls Africa

T: +27 (0) 10 007-3222 E: sales@bray.com W: www.bray.com

Pleix-Quip Pleix-Quip

T: +27 (0) 11 736-4994 C: +27 (0) 83 461 0801 E: tiaans@pleixquip.co.za W: www.pleixquip.co.za

Valcon Valve & Controls

T: +27 (0) 11 453-7537 E: valconsa@iafrica.com W: www.valcon.co.za

T: +27 (0) 11 736-4994 C: +27 (0) 83 461 0801 E: tiaans@pleixquip.co.za W: www.pleixquip.co.za CHECK VALVES

T: +27 (0) 10 007-3222 E: sales@bray.com W: www.bray.com

Enserve Engineering Services (Pty) Ltd T: +27(0) 16 971 3385 F: +27(0) 16 971 3935 E: mail@enserve.co.za W: www.enserveonline.com

CALAFRICA Hydronic Solutions T: +27 (0) 11 795 1519 C: +27 (0) 83 303 1437 E: technical@calafrica.co.za W: www.calafrica.co.za

BUTTERFLY VALVES

Bray Controls Africa

Ts & Cs

C.R.I Pumps S.A. (Pty) Ltd

Macsteel Fluid Control

T: +27 (0) 82 495 2772 C: +27 (0) 11 383 4000 E: Rowan.Blomquist@macfluid.co.za W: www.macsteel.co.za DIAPHRAGM VALVES

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Invincible Valves (Pty) Ltd C.R.I Pumps S.A. (Pty) Ltd

T: +27 (0) 11 805-8631 F: +27 (0) 11 805-8630 E: cri-za@crifluidsystems.com W: www.cripumps.co.za

Invincible Valves (Pty) Ltd T: +27 (0) 11 822-1777 F: +27 (0) 11 822-3666 E: enquiries@invalve.co.za W: www.invalve.co.za

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Kaytar Valves (Pty) Ltd Kaytar Valves (Pty) Ltd

T: +27 (0) 21 987-8292 C: +27 (0) 81 555-5288 E: clinton@kaytarvalves.co.za W: www.kaytarvalves.co.za

Macsteel Fluid Control

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Pleix-Quip KSB (Pty) Ltd

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LVSA Group (PTY) LTD

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Mine Track & Tools (Pty) Ltd T: +27 (0) 11 412 4536/1665 E: info@minetrack.co.za W: www.minetrack.co.za

FLOW CONTROL VALVES

VACSERVE (PTY) LTD

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KSB (Pty) Ltd

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Invincible Valves (Pty) Ltd T: +27 (0) 11 822-1777 F: +27 (0) 11 822-3666 E: enquiries@invalve.co.za W: www.invalve.co.za

Pipes, Pumps and Valves Africa - Mar/Apr 2022

VALVES THERMOSTATIC CONTROL VALVES

KV Controls (Pty) Ltd

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Macsteel Fluid Control

ADVERTISE WITH US TODAY !!

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Enserve Engineering Services (Pty) Ltd Valcon Valve & Controls

T: +27 (0) 11 453-7537 E: valconsa@iafrica.com W: www.valcon.co.za KNIFE GATE VALVES

T: +27(0) 16 971 3385 F: +27(0) 16 971 3935 E: mail@enserve.co.za W: www.enserveonline.com

Mine Track & Tools (Pty) Ltd T: +27 (0) 11 412 4536/1665 E: info@minetrack.co.za W: www.minetrack.co.za

C.R.I Pumps S.A. (Pty) Ltd

VALVES FOUNDRY

T: +27 (0) 11 805-8631 F: +27 (0) 11 805-8630 E: cri-za@crifluidsystems.com W: www.cripumps.co.za

Steloy Foundries

T: +27 (0) 13 110 2681 E: support@steloyfoundries.com W: www.steloyfoundries.com

Mine Track & Tools (Pty) Ltd T: +27 (0) 11 412 4536/1665 E: info@minetrack.co.za W: www.minetrack.co.za

PRESSURE REDUCING VALVES

KEW Foundries

T: +27 (0) 53 841 0474 F: +27 (0) 53 841 0473 E: info@kewfoundries.co.za W: www.kewfoundries.co.za

CALAFRICA Hydronic Solutions T: +27 (0) 11 795 1519 C: +27 (0) 83 303 1437 E: technical@calafrica.co.za W: www.calafrica.co.za

Ukuthela Foundry Projects T: +27 (0) 12 719 8860 E: ukuthela@live.co.za

Pipes, Pumps and Valves Africa - Mar/Apr 2022

+ 27 (0) 83 281 5761 info@pumpsandvalves.co.za www.pipespumpsandvalves.co.za

PERFORMANCE meets EFFICIENCY • Low Voltage TEFC frame Electric Motors to IEC60034 • Ratings from 0,37kW up to 680kW at 400V, 525V and 1000V • Premium Efficiency to IEC 60034-30 (IE3) • IP66 & Class H Insulation

ELECTRICAL MACHINES A division of ACTOM (Pty) Ltd

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