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75 years Quality through Experience


Company Profile  Founded in 1938  Based on the German mining industry

1938

1958

2000


Company Profile Today

Sprockhövel (2.200 m²)

Witten (7.000 m²)


Company Profile Today

Sprockhövel (2.200 m²)

Witten (7.000 m²)


Company Profile  Headquarter based in Witten, Germany  ~ 120 Employees  Privatly owned in 3rd Generation  Certified according to ISO 9001 since 1995


Company Profile The Group


Company Profile Engineering

Manufacturing and Assembly

After-Sales Service Testing

Commissioning


Company Profile Gas Cleaning Industrial Applications

Seawater Desalination

Mining


Product Range

 Single-Stage pumps

15 bar (217 PSI)

 Nominal pressure up to 15 bar (217 PSI)  Flow up to 20.000 m続/h (88,000 gal/min)

20.000 m続/h (88,000 gal/min)

 Multi-Stage pumps  

Nominal pressure up to 250 bar (3625 PSI) Flow up to 3.500 m続/h (15,400 gal/min)

250 bar (3625 PSI)

3.500 m続/h

(15,400 gal/min)

 Pumps mainly designed for corrosive and abrasive media


Product Range

Max Max Ph-Value Max Max Flow Head Density Particle Size MC MCC

[m続/h]

[bar]

([gal/min])

([PSI])

1,300

10

(5,700)

(145)

20,000 (88,00)

ROWA-E

12,000 (52,800)

ROWA 2/4S DH ROWA-HPB MHK/HK ROWA-HP

6

[g/l] 0-12

1,700

40

(8,800)

(580)

4,000

10

(17,600)

(145)

3,000

15/100

(13,200)

(217/1,450)

2,160

120

(9,500)

(2,320)

3,500

100

(15,400)

(1,450)

1 (0,04)

0-12

1,700

1 (0,04)

0-14

1,700

(145)

2,000

[mm] ([inch])

(87)

10

Material

50

various metals

(2)

0-14

1,700

50

various metals

(2)

0-14

2,500

100

various metals

(4)

0-14

1,050

0-14

1,050

-

various metals

3

various metals

(0,12)

0-14

1,050

-

various metals


Single-Stage Pumps Mineral Cast Pumps made of for corrosive and abrasive media

MC Mineral Cast

MCC Mineral Cast Compound


Single-Stage Pumps Type MC

 Nominal pressure up to 10 bar (145 PSI)  Flow up to 1.300 m続/h (5,700 gal/min)  All main wetted parts are made of

 High wear and corrosion resistance  pH-Values 0-12  Maximum Density up to 1,700 g/l


Single-Stage Pumps Type MC Volute casing impeller cover

DÜTEC® mechanical seal

DN 32 – DN 300 (≥ DN 200 with suction side wear plate) ANSI 1 ¼“ – 12“ (ANSI ≥ 8“ with suction side wear plate)


Single-Stage Pumps Mechanical Seal DÜTEC® & DÜTEC® -C

DÜTEC® Single-stage mechanical seal available for MCs & MCCs

DÜTEC®-C Single-stage mechanical seal in cartridge design for MCCs


Single-Stage Pumps Type MCC

 Nominal pressure up to 6 bar (87 PSI)  Flow up to 20.000 m続/h (88,000 gal/min)  All main wetted parts are made of

 High wear and corrosion resistance  pH-Values 0-12  Maximum Density up to 1,700 g/l

 Horizontal and vertical arrangement  Extendend Warranties available


Single-Stage Pumps Extended Warranty on MCCs for seawater and gypsum slurry

 10 years abrasion warranty on the liner  6 years abrasion warranty on the impeller  6 years abrasion warranty on the wear plate  Lifetime anti-corrosion warranty on all

-parts


Single-Stage Pumps Type MCC liner wear plate impeller cover

DÜTEC®-C mechanical seal

DN 400 – DN 1.000 (bigger sizes available) ANSI 16“ – 40“ (bigger sizes available)


Single-Stage Pumps Comparison MC & MCC


Single-Stage Pumps Mechanical Seal DÜTEC® & DÜTEC® -C

DÜTEC® Single-acting mechanical seal available for MCs, MCCs & ROWA-Es

DÜTEC®-C Single-acting mechanical seal in cartridge design for MCCs


Hard as Diamond


The Material

Silicon carbide

+

Epoxy resin


The Material

Silicon Carbide: >80%

Epoxy Resin: <20% Zoom: 100x


The Material Comparison between

and other materials Corrosion Resistance

Wear Resistance

Hastelloy DUPLEX stainless steel Ni - Hard 4

Special problem occurs with Erosion-Corrosion


The Material

Linear rate of wear [mm/a]

Wear in Combination of Flow Velocity 10.000

1.4517 1.000

100

10 14

18

22

26

Flow velocity [m/s] test medium: water-quartz-mixture concentration: 30g/l particle size: ~23Âľm


The Material â&#x20AC;&#x153;Erosion-Corrosion is a material loss due to mechanical wear on the surface as the corrosion is caused by the erosion of the protective layers.â&#x20AC;?

metal

protective layer


The Material Effects of the Erosion-Corrosion


The Material Comparison of Erosion-Corrosion on DUPLEX and

impellers

DUPLEX stainless steel

after 11.000h of operation

after 24.000h of operation still in operation (85.000h)


The Material Limits of  Medium temperature < 135 째C (< 275 째F)  Maximum particle size < 1 mm (< 0.039")  pH value < 12


The Material Advantages of  100% corrosion resistance in seawater applications  Highly wear resistant  Lower noise and vibrations compared to metal pumps  Easy quality control of castings, easy to repair  Lower material costs compared to DUPLEX stainless steel  Shorter delivery times  Stable price validity


Manufacturing View into the evacuated casting machine


Manufacturing Casting of a MCC shell


Manufacturing Heat Treatment

1st heat treatment: hardening

2nd heat treatment: tempering


Manufacturing Machining


Other Products Engineered impellers

Klaus Union

KSB

Warman

Sulzer


Other Products Hydrocyclones


Other Products Nozzles


Other Products Coatings


Other Products Reducers


Repairing

2 1

3 5

4


SIConit based revamping liquid SIConit


SIConit Volute Casing revamping with SIConit

1 before 2

4 after 5000h

3 complete revamping

welded stainless steel net


SIConit Impeller repair with SIConit

1

4 2

3


SIConit Coating of new agitator with SIConit

1 original 2

coating

4 balancing 3 finished


SIConit Wear parts before


SIConit Wear parts afterwards


Single-Stage Pumps Metal Pumps for corrosive and abrasive media

ROWA-E

DH

ROWA-HPB


Single-Stage Pumps Type ROWA-E

 Nominal pressure up to 10 bar (145 PSI)  Flow up to 12.000 m続/h (52,800 gal/min)  Available in almost all metallic materials from cast iron to SUPER DUPLEX  High wear and corrosion resistance  pH-Values 0-14  Maximum Density up to 1,700 g/l

 Available in combined single-stage/ multistage design


Single-Stage Pumps Type ROWA-E oil lubricated antifriction bearing shaft

mechanical seal

wear plate

impeller

bearing bracket spiral casing


Combined Single-Stage Pumps Type ROWA 2/4S

 Nominal pressure up to 40 bar (580 PSI)  Flow up to 2.000 m続/h (8,800 gal/min)  Available in almost all metallic materials from cast iron to SUPER DUPLEX  High wear and corrosion resistance  pH-Values 0-14  Solid contents up to 700 g/l

 2- or 4 combined horizontal single-stage slurry pumps (ROWA-E equivalent)  Compensation of axial thrust by counterrotating impellers


Combined Single-Stage Pumps Type ROWA 2S wear plate gland packing

shaft

impeller

oil lubricated antifriction bearing


Single-Stage Pumps Type DH

 Nominal pressure up to 10 bar (145 PSI)  Flow up to 4.000 m続/h (17,600 gal/min)  Large impeller diameters => low wear reducing speed  Design allows use of very hard materials => up to 510 HB  Extreme wear and corrosion resistance  pH-Values 0-14  Maximum Density up to 2,500 g/l


Single-Stage Pumps Type DH oil lubricated antifriction bearing

wear plate gland packing

shaft impeller

bearing bracket

spiral casing


Single-Stage Pumps Type ROWA-HPB

 End-suction pump type, centerline mounted  Available in API 610 / ISO 13709 design (Oil & Gas)  Available for hot liquid applications

 Horizontal or vertical arrangement  Differential pressure up to 20 bar (290 PSI)  Flow up to 3.000 m続/h (13,200 gal/min)  Design pressure 100 bar (1,450 PSI), suction pressure up to 80 bar (1,160 PSI)  Available in almost all metallic materials from cast iron up to SUPER DUPLEX  High corrosion resistance 

pH-Values 0-14


Single-Stage Pumps Type ROWA-HPB

double volute casing oil lubricated antifriction bearing shaft

mechanical seal impeller

bearing bracket


Single-Stage Pumps Type ROWA-HPB

 Pull-out process design for easy access  Cartridge mechanical seal  Radial thrust compensation by double volute casing to reduce shaft deflection and bearings loads  Critical shaft speed above operating speed (VFD operation up to 4.000 rpm)  Wear rings in compound material (PEEK reinforced carbon fiber) to achieve small clearances


Multi-Stage Pumps High-Pressure pumps for corrosive and abrasive media

LHK/MHK/HK

ROWA-HP


Multistage Pumps Type MHK/HK

 Nominal pressure up to 160 bar (2,320 PSI)  Flow up to 2.160 m続/h (9,500 gal/min)  Available in almost all metallic materials from cast iron up to SUPER DUPLEX  4-pole pump (max. 1800 rpm) for liquids with slightly abrasive content  pH-Values 0-14  Maximum Density up to 1,050 g/l

 Horizontal and vertical arrangement


Multistage Pumps Type MHK/HK

Design Features  Axial thrust compensation by combination of balancing disc and balancing drum with wear indicator (> 40 bar (> 580 PSI))  Shaft sealing by stuffing box or mechanical seals  Flanges positionable in 90째 steps; manufactured according to DIN/ASME  Flanges at intermediate casings available  One or two connective shaft ends available


Multistage Pumps Type MHK/HK wear rings (at each stage)

impeller

diffuser

balancing counter disk

balancing disk

gland packing

shaft

bearing oil lubricated antifriction bearing

shaft sleeve intermediate stage casing suction casing

discharge casing


Multistage Pumps Impeller Design Features

 CFD assisted design  Optimal specific speed for best efficiency  Optional suction impeller available to obtain low NPSH-values  Different sets of impellers for each pump size available  Ceramic moulds result in smooth surfaces to reduce flow losses


Multistage Pumps Design Features

 Suction chamber with favorable design for constant inlet velocities  Reduced impact losses due to CFD optimized diffuser channels  Optimized discharge casing shaped as a volute casing


Design Features Balancing Device

 FAX + FAX + â&#x20AC;Ś = FE  Full compensation of all axial forces

Balancing disc

F F A A X X

F E

Balancing counter disc

 Self-actuating thrust compensation  Minimum efficiency drop  High reliability of operation  Wear control through wear indicator    

Control of wear during operation For optimal planning of maintenance work Optical indicator standard Additional inductive wear indicator applicable


Design Features Optional Suction Impeller dS1 < dS2

standard impeller ds1

ds2

special designed impeller for low NPSHr rates


Multistage Pumps Wear Control Shaft marks show wear status

Wear indication by inductive sensor Output signal: 0…10 V / 2…20 V voltage 0…20 mA / 4…20 mA current


Multi-Stage Pumps Type ROWA-HP

 Nominal pressure up to 100 bar  (1,450 PSI)  Flow up to 3.500 m続/h (15,400 gal/min)  Available in almost all metallic materials from cast iron up to SUPER DUPLEX  2-pole pump (up to 3.600 rpm) for highly corrosive liquids  pH-Values 0-14


Multi-Stage Pumps Type ROWA-HP

Design Feature  Flanges positionable in 90째 steps  Manufacturing acc. to ISO, DIN and ASME

 Easy replacement of all wear parts  Critical shaft speed above operating speed  Wear rings in compound material (PEEK)  small clearances but reliable operation

 Axial thrust compensation by combination of balancing disc and balancing drum  avoid axial bearings and excessive oil supply units


Multistage Pumps Type ROWA-HP discharge casing

impeller

balancing counter disk mechanical seal

diffuser

oil lubricated antifriction bearing

ceramic bearing

shaft

balancing disk

wear rings

suction casing

(PEEK)

shaft sleeve

intermediate stage casing


Multistage Pumps Impeller Design Features

 CFD assisted design  Optimal specific speed  Optional suction impeller available to obtain low NPSH-values  Different sets of impellers for each pump size available  Ceramic moulds result in smooth surfaces to reduce flow losses


Multistage Pumps Design Features

 Suction chamber with favorable design for constant inlet velocities  Reduced impact losses due to CFD optimized diffuser channels  Optimized discharge casing shaped as a volute casing


Design Features Balancing Device

 FAX + FAX + â&#x20AC;Ś = FE  Full compensation of all axial forces

Balancing disc

F F A A X X

F E

Balancing counter disc

 Self-actuating thrust compensation  Minimum efficiency drop  High reliability of operation  Wear control through wear indicator    

Control of wear during operation For optimal planning of maintenance work Optical indicator standard Additional inductive wear indicator applicable


Design Features Optional Suction Impeller dS1 < dS2

standard impeller ds1

ds2

special designed impeller for low NPSHr rates


Multistage Pumps Wear control Shaft marks show wear status

Wear indication by inductive sensor Output signal: 0…10 V / 2…20 V voltage 0…20 mA / 4…20 mA current


Competitiveness and Reliability Test Field

 Every pump is tested prior dispatch  According to DIN EN ISO 9906  Test grade 1 (highest standard)  Flow up to 25.000 m続/h (110,000 gal/min)  Power supply up to 5 MW (6705 hp)  Pressure limit up to 200 bar (2900 PSI)  Various tests are available (vibration, sound pressure, NPSH etc., witnessed tests)


Competitiveness and Reliability Low Lifecycle Costs

 Wide range of impeller sets for high efficiencies and low wear  Optimal specific speed design for best efficiency and lowest wear  Selection of high quality materials  Highest MTBS in class  Very short down-time for exchanging wear parts  Condition monitoring


Design Features rpm vs. wear

rpm n1

n1 > n2

rpm n2

 Higher speed lead to a potential increase of wear by Exponent 2 to 4 (depending on media specifications)


Competitiveness and Reliability Condition Monitoring

 Sensor for condition monitoring  Easy integration into control system  For non- and explosive areas available  Software included free of charge  Indication of  Cavitation  Misalignment  Bearing wear

 Internet-based control and support available


Competitiveness and Reliability References

 MC: more than 2.800 units sold  MCC: more than 600 units sold  ROWA-HP & HPB: more than 500 units sold  LHK/MHK/HK: more than 2.000 units sold  Various good references available


Processes and References Gas Cleaning Industrial Applications

Seawater Desalination

Mining


Seawater Desalination Reverse Osmosis

Seawater

Pretreatment Filtration Chemical treatment

Reverse Osmosis High-pressure Pump ERD Booster Pump RO-membrane Energy-recovery

Concentrate

After-treatment Disinfection Additives

Product


Seawater Desalination Energy Recovery by Pelton Turbine

M

PreTreatment

Disposal

Product


Seawater Desalination Traditional Pump Unit  Radial multistage pump arranged in the center with two conective shaft ends and variable nozzle connection Pelton Turbine

 Standard motor with one shaft end and normal air flow conditions  Pelton Turbine with nozzle valve replaces concentrate control valve

High-Pressure Pump


Seawater Desalination Type ROWA-RT

 Simple and proven design  Easy control by needle valve  Single, double or triple nozzle operation

 High efficiency along the complete operating range (>90%)  In combination with VFD speed control widest operating range

 Standard roller bearings outside the casing  Variable flange location  Material in DUPLEX or SUPER DUPLEX


Seawater Desalination Pelton Turbine type ROWA-RT

nozzle Pelton wheel shaft Casing

oil lubricated antifriction bearing


Seawater Desalination Energy Recovery by Pressure Exchanger (PX)

M

PreTreatment

Product M

Disposal


Seawater Desalination Complete Package

 Matching single components maximize package efficiency  Complete package pre-mounted â&#x20AC;&#x201C; only final adjustment at site necessary  Final testing of the complete package on our test field to verify operating conditions  Single source responsibility


Seawater Desalination Spain, Ibiza

 3 high-pressure pumps type HK 15x5  Q=313 m続/h @ 70 bar (1,378 gal/min @ 1,015 PSI)

 Delivered in 1992


Seawater Desalination Egypt, South Sinai

 3 high-pressure pumps type HK 100x7  3 pelton turbines type ROWA-RT  Q=135 m続/h @ 62 bar (594 gal/min @ 899 PSI)

 Delivered in 1996 (today 14 similar pumps operating in 5 different SWRO plants in Egypt)


Seawater Desalination Algeria, La Fontaine

 9 high-pressure pumps type HP 100x10  9 pelton turbines type ROWA-RT  Q=232 m続/h @ 72 bar (1,021 gal/min @ 1,044 PSI)

 Delivered in 2001


Seawater Desalination Oman, Sohar

 3 high-pressure pumps type ROWA-HP 150x5  3 pelton turbines type ROWA-RT  Q=367 m続/h @ 62 bar (1,615 gal/min @ 899 PSI)

 Delivered in 2004


Seawater Desalination Qatar, Pearl

 5 high-pressure pumps type ROWA-HP 200x2  810 m続/h @ 42 bar (3,566 gal/min @ 609 PSI)

 Delivered in 2008


Seawater Desalination China, Tianjin

 8 high-pressure pumps type ROWA-HP 150x3  605 m続/h @ 70 bar (2,663 gal/min @ 1,015 PSI)

 8 high-pressure booster pumps type ROWA-HPB 250-380  796 m続/h @ 6 bar (3,504 gal/min @ 87 PSI)

 Delivered in 2008


Seawater Desalination Australia, Brisbane

 5 high-pressure pumps type ROWA-HP 200x2  833 m続/h @ 21 bar (3,667 gal/min @ 304 PSI)  5 high-pressure pumps type ROWA-HP 150x2  400 m続/h @ 26 bar (1,761 gal/min @ 377 PSI)  5 high-pressure pumps type ROWA-HP 100x3  162 m続/h @ 30 bar (713 gal/min

@ 435 PSI)

 Delivered in 2010  Online Condition Monitoring System


Mining Germany, Heinrich Robert

 high-pressure pump type HK 200x13  340 m続/h @ 110 bar (1,496 gal/min @ 1,595 PSI)

 Delivered in 1974


Mining Germany, Ibbenb端ren

 high-pressure pump type HKP 50x3  720 m続/h @ 30 bar (3,170 gal/min @ 435 PSI)

 First supply in 1939  Last time supplied in 1988


Mining Poland, Bogdanka

 high-pressure pump type HK 200x13  500 m続/h @ 100 bar (4,495 gal/min @ 1,450 PSI)

 First supply in 2006  Two drive shaft ends


Mining Poland, Lubin

 high-pressure pump type MHK 250x6  540 m続/h @ 67 bar (2,377 gal/min @ 971 PSI)

    

first pump supplied in 2005 3 additional pumps in 2006 and 3 additional pumps in 2008 one pump in 2010 one pump in 2012


Mining Bulgaria, Steelwork

 single-stage pump type DH 300.70  900 m続/h @ 6,5 bar, 865 rpm (3,962 gal/min @ 94 PSI)

 supplied in 1984


Mining Germany, Auguste Victoria

 single-stage pump type DH 400.75  2.000 m続/h @ 4 bar, 742 rpm (8,805 gal/min @ 58 PSI)

 supplied in 1992


Gas Cleaning Turkey, Iskenderun

 Single-stage pump type MCC 500-800  4.010 m続/h @ 24 m, 596 rpm (17,655 gal/min @ 34.8 PSI)

 Up to 70.000 ppm of chlorides  supplied in 2001


Gas Cleaning Spain, Soto

 Single-stage pump type MCC 600-850  4.926 m続/h @ 22 m, 542 rpm (21,688 gal/min @ 31.9 PSI)

 Up to 30.000 ppm of chlorides  supplied in 2006


Gas Cleaning Czech Republik, Melnik

 Single-stage pump type MCC 700-850  6.223 m続/h @ 18,5 m, 535 rpm (27,399 gal/min @ 26.8 PSI)

 Up to 25.000 ppm of chlorides  supplied in 1996


Gas Cleaning China, Yuanbaoshan

 Single-stage pump type MCC 800-950  9.800 m続/h @ 26,5 m, 595 rpm (43,148 gal/min @ 38.4 PSI)

 Up to 60.000 ppm of chlorides  supplied in 2005


Gas Cleaning Germany, Voerde

 Single-stage pump type MCC 800-1100  8.800 m続/h @ 25,4 m, 495 rpm (38,745 gal/min @ 36.8 PSI)

 Up to 30.340 ppm of chlorides  supplied in 2005


Gas Cleaning Czech Republic, Tusimice

 Single-stage pump type MCC 900-1180  11.000 m続/h @ 25,3 m, 424 rpm (48,431 gal/min @ 36.7 PSI)

 Up to 30.000 ppm of chlorides  supplied in 2007


Gas Cleaning Bulgaria, Maritza

 Single-stage pump type MCC 900-1200  12.500 m続/h @ 25,4 m, 395 rpm (55,035 gal/min @ 36.8 PSI)

 Up to 20.000 ppm of chlorides  supplied in 2003


Gas Cleaning USA, KU Brown

 Single-stage pump type MCC 1000-1250  15.352 m続/h @ 25,3 m, 388 rpm (67,592 gal/min @ 36.7 PSI)

 Up to 10.000 ppm of chlorides  supplied in 2006


75 years Quality through Experience

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