Ball Control Valves New Full-Bore Ball Control Valve Combats Vibration, Cavitation and Noise

Editor: Ahlam Rais

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 utilising a robust drive train that is designed to guide the shaft and properly absorb energy.

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Fisher V280 ball valve with attenuator, 1061 piston actuator and Fieldvue DVC6200.
Fisher V280 ball valve with attenuator, 1061 piston actuator and Fieldvue DVC6200.
(Source: Emerson)

Available attenuators for liquid and gas process fluids offer an effective solution for combatting the negative consequences of cavitation, such as vibration, erosion and noise. The body connections of the new valve have been re-engineered to significantly simplify the design and reduce the number of parts, while utilising the same construction for the inlet and outlet. According to the firm, this allows an easy retrofit of single or dual ball seals with standard or customised 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.

The new valve 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 bi-directional flow and double block-and-bleed operation, adds the company.

Specialist Book „Heat Transfer Technique“The comprehensive standard work „Heat Transfer Technique“ offers not only a detailed and well-founded presentation of the basics of heat transfer technique, but also shows the latest state of the art and the latest regulations in the use of organic fluids. Thematically, the book is rounded off with an overview of property data of organic heat transfer fluids as well as many use cases from practical experience.

The new valve 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, mentions the firm. 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 new valve provides users with a complete portfolio of full-bore ball control valves, concludes the company.

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