Fisher 8590 High Performance Butterfly Valve
Fisher
产品编号: 8590
生产厂家: Fisher
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Datasheets for Fisher 8590 High Performance Butterfly Valve
Description for Fisher 8590 High Performance Butterfly Valve
Fisher™ 8590 High Performance Butterfly ValveThe Fisher 8590 high performance Butterfly valve maintains tight shutoff and can be specified for a wide range of pressure and temperature conditions. The 8590 valve is available in a lugged body design. A splined shaft can combine with a variety of spring-and-diaphragm or pneumatic piston actuators and a square or keyed shaft can combine with a variety of handlevers, handwheels, or pneumatic piston diaphragm actuators.SpecificationsCertificationsSIL capable, PED, CRN, Fugitive Emission, NACE, ATEX, CUTR, Fire SafeCritical ServiceGeneral ServiceFlow CharacteristicsLinearMaterialCarbon Steel, Stainless, AlloyOperating TemperatureStandard Temperature, High TemperaturePower SourceElectric, Hydraulic, Pneumatic, Lever, Gear, Electro-HydraulicPressure ClassASMEProcess Connection TypeFlanged, Single Flanged, Double Flanged, LuggedSeat / Seal TypeMetal, SoftShutoff ClassClass IV (FCI 70-2), Class VI (FCI 70-2)StandardsB16.34StemLive Loaded, Adjustable PackingValve SizeNPS 3, NPS 4, NPS 6, NPS 8, NPS 10, NPS 12, NPS 14, NPS 16, NPS 18, NPS 20, NPS 24Valve Size StandardNPSOther ConfigurationsContact your local Emerson business partner or sales office to learn about additional specifications or options for this product.FeaturesThis 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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