The Fisher 8560 Butterfly valve is a reliable, high performance control valve suitable for throttling applications requiring extremely low leakage rates.
Specifications
Certifications 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, 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
Valve Size Standard NPS
Other Configurations Contact your local Emerson business partner or sales office to learn about additional specifications or options for this product.
Features
The eccentrically-mounted disk design provides an approximate linear flow characteristic and can be used for throttling or on/off control applications through 90 degrees of disk rotation.
Trim and bolting materials are available for applications involving sour service. These constructions comply with the recommendations of NACE MR0175-2002.
The optional ENVIRO-SEAL™ packing system is designed with improved sealing, guiding, and loading force transmission. The ENVIRO-SEAL packing system can control emissions to below the Environmental Protection Agency limit of 100 ppm for valv