Emerson’s new control valve that combats vibration, cavitation and noise.....0

Emerson’s new control valve that combats vibration, cavitation and noise

Emerson has introduced the Fisher™ V280 full-bore trunnion-mounted ball control valve for severe and specialty pressure, flow and process control applications.

The valve provides excellent dynamic process control by utilizing a robust drive train unique to the market that is designed to guide the shaft and properly absorb energy. Available attenuators for liquid and gas process fluids offer an effective solution for combating the negative consequences of cavitation, such as vibration, erosion and noise.

The body connections of the V280 valve have been re-engineered to significantly simplify the design and reduce the number of parts, while utilizing the same construction for the inlet and outlet. This allows an easy retrofit of single or dual ball seals with standard or customized noise attenuating aerodomes or anti-cavitation hydrodomes on the inlet, outlet or both. Typical applications include midstream oil and gas, particularly compressor anti-surge service. electric water pumps – Calpeda, has released a new pump for filter systems, an updated product of the previous NMP 65/16 model of close-coupled selfpriming centrifugal pumps. The model, a family of close-coupled self-priming centrifugal pumps with built-in prefilter has been updated with a new product: NMP 65/12 which according to Calpeda is a completely renewed product, designed to answer market demands owing to a wider range of flows. Its characteristics and performance makes it perfect for circulating water in the filter systems of fountains or large swimming pools. In terms of reliability and performance, the new pump reaches levels only given by systems that have a centrifugal The V280 is a fully rated ANSI class 900 valve, available in 6”, 8”, 10”, 12” and 16” sizes. A variety of high-performance packing materials are available, including ENVIRO-SEAL™ live-loaded packing. Optional special materials and constructions are available to accommodate specialty applications. The valve comes standard as a single-seal construction but is available with optional dual-seal construction, allowing bidirectional flow and double block-and-bleed operation. pump with separate pre-filter upstream.

Product strong points

Using 3D modelling systems and fluid dynamics simulations, our R&D team completely redesigned the pump from a hydraulic and a mechanical point of view. The team focused on both the rotor and the pump body, leading to the creation of an innovative patented design. The pump, which is light and easy to handle, has an excellent suction capacity (NPSH). It has the same power as the previous NMP 65/16 model, yet it can easily reach a flow rate of 120 m3/h. Its large capacity stainless steel filter is easy to remove for cleaning and inspection. In addition to the cast iron version there is also a bronze one, for use with aggressive liquids such as sea water. The standard offering V280 complies with the NACE MR0175/ISO 15156 Sour Service/ Sour Crude oil standard, carries the full ASME B16.5 Class 900 flange rating, and can handle fluid temperature ranges from -20 to 180 degrees F. Alternate seal options can handle temperatures from -50 to 400 degrees F. The valve can be fitted with a number of different positioners or auxiliary devices to suit hazardous or challenging environments.

Together with the Fisher™ V260 and V270 valves, the V280 provides users with a complete portfolio of full bore ball control valves.

About Emerson

Emerson (NYSE: EMR), headquartered in St. Louis, Missouri (USA), is a global technology and engineering company providing innovative solutions for customers in industrial, commercial, and residential

Calpeda releases a new pump for filter systems

Leading Italian manufacturer of

markets.

About Calpeda

Calpeda is a company that is committed to study, to develop, to manufacture and to industrialize pumping systems. “We want to continue that which was started many years ago by Vinicio Mettifogo, founder and pioneer.”

With its headquarters in Montorso Vicentino (Vicenza), Italy, the company has over 15 subsidiaries and distributors in Africa. It boasts of some impressive numbers of over 2,000 types of pumps in production, massive personnel capacity and 30,000 square meters space; with power ranging from 0.5 to 200 kW.

The company produces a big and specific range of pumps for a large variety of uses including: domestic applications, industrial fields, groundwater, wastewater and sewage applications, for civil plants, buildingservice sector, agricultural and irrigation applications, swimming pools and spa baths.