Fisher 8590 Högpresterande vridspjällsventil

Fisher 8590 Högpresterande vridspjällsventil

Fisher™ 8590 högpresterande vridspjällsventil har en tätt avstängning och kan specificeras för ett stort antal tryck- och temperaturförhållanden. En splinesaxel kan kombineras med en mängd olika fjäder- och membranställdon eller pneumatiska kolvställdon. En rät eller fastkilad axel kan kombineras med en mängd handtag, handhjul eller pneumatiska kolvmembranställdon.

Certifications SIL capable, PED, CRN, Fugitive Emission, NACE, ATEX, CUTR, Fire Safe
Critical Service General Service
Flow Characteristics Linear
Material Carbon Steel, Stainless, Alloy
Operating Temperature Standard Temperature, High Temperature
Power Source Electric, Hydraulic, Pneumatic, Lever, Gear, Electro-Hydraulic
Pressure Class ASME
Process Connection Type Flanged, Single Flanged, Double Flanged, Lugged
Seat / Seal Type Metal, Soft
Shutoff Class Class IV (FCI 70-2), Class VI (FCI 70-2)
Standards B16.34
Stem Live Loaded, Adjustable Packing
Valve Size NPS 3, NPS 4, NPS 6, NPS 8, NPS 10, NPS 12, NPS 14, NPS 16, NPS 18, NPS 20, NPS 24
Valve Size Standard NPS
  • This valve will meet your actuator needs with a choice of splined, square, or keyed shaft connections.
  • The pressure-assisted seal design provides tight shutoff and permits the use of smaller, less expensive actuators in applications requiring full ASME B16.34 shutoff capabilities.
  • The optional ENVIRO-SEAL™ packing systems are designed with very smooth shaft surfaces and live-loading to provide improved sealing, guiding, and loading force transmission.
  • Trim and bolting materials are available for applications involving sour liquids and gases.
  • The valve body self-centers on the line flange bolts as a fast, accurate means of centering the valve in the pipeline.
  • Seal retainer screws are located so there is no interference with the sealing function.
  • The torque necessary to open and close the valves is the same, regardless of the direction in which the differential pressure is applied.

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