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FISHER™ 8540 High Performance Butterfly Valve
Main Features
  • Exceptional Shutoff — Bidirectional soft seal ring with pressure-assisting action results in exceptional shutoff rates as shown in the specifications.
  • Shaft Retention — Redundant shaft retention provides added protection. The packing follower and shaft step interact to hold the shaft securely in the valve body.
  • Easy Installation — The valve body self-centers on the line flange bolts as a fast, accurate means of centering the valve in the pipeline.
  • Approximately Linear Flow Characteristic — An approximately linear flow characteristic provides precise throttling control.
  • Powder Paint as Standard — The Emerson powder paint finish offers a corrosion-resistant finish to all steel parts.
FISHER™ 8540 High Performance Butterfly Valve
Specifications
  • Valve Size: NPS 3 to NPS 12
  • Pressure Rating: ANSI CL150-300 
  • Process connection type: Wafer
  • Material: carbon steel, stainless steel
  • Other configurations: Contact us for more additional specifications or options for this product
Applications
  • Medium and low pressure angle stroke valves commonly used in the energy, power, oil and gas, petrochemical, chemical, life sciences and other industries
  • Can be used with most fluid media, including water, steam, air, process gases, and more
  • Can be applied to noise suppression, cavitation, vapor conditions, erosive, low flow, corrosive, general service conditions, outgassing, flashing, etc.,