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Fisher 8580 High Performance Butterfly Valve

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Taneli Luhanko
Account Manager
Phone. 0207 416 202
Mob. 040 757 4208

The Fisher™ 8580 high performance butterfly valve provides the capability for enhanced shutoff and features an eccentrically-mounted disk with either a soft or metal seal. Experience excellent throttling and on/off performance with this control valve.

Fisher KEMIA & PETROKEMIA KORKEA LÄMPÖTILA & PYROLYYSI PSA PULP & PAPER RUOKA & JUOMA SULASUOLA

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Certifications	SIL capable, PED, CRN, Fugitive Emission, NACE, ATEX, CUTR
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	PN, ASME
Process Connection Type	Flanged, Single Flanged, Double Flanged, Lugged, Wafer
Seat / Seal Type	Metal, Soft
Shutoff Class	MSS SP-61, Class IV (FCI 70-2), Class VI (FCI 70-2)
Standards	B16.34
Stem	Live Loaded, Adjustable Packing
Valve Size	NPS 2, NPS 3, NPS 4, NPS 6, NPS 8, NPS 10, NPS 12
Valve Size Standard	NPS, DN

The actuator/valve assembly action can be converted from push-down-to-open to push-down-to-close, or vice versa, without additional parts.
Both the metal and soft seal rings have pressure-assisting sealing action that ensures tight shutoff regardless of pressure drop.
Standard valve construction includes conductive packing to provide electrical bonding for hazardous area applications.
The valve will operate at elevated temperatures, with the appropriate trim components.
Additional travel indication can be achieved by using the indication line on the shaft, along with the disk position markings on the packing follower.
Redundant shaft retention provides added protection. The packing follower, anti-blowout ring, and shaft groove interact to hold the shaft securely in the valve body.

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Fisher 8580 High Performance Butterfly Valve

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