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Fisher 8540 High Performance Butterfly Valve

The Fisher™ 8540 valve features an eccentrically mounted disk with a soft seal ring. Soft seals provide excellent sealing capabilities in both flow directions. The square shaft combines with a variety of actuators to form a reliable, high-performance valve suitable for many applications requiring tight shutoff.

Fisher FØDEVARE HØJ TEMPERATUR & PYROLYSE KEMI & PETROKEMI MOLTEN SALT PSA PULP & PAPER

Specifikationer
Funktioner
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Certifications	PED, CUTR
Critical Service	General Service
Flow Characteristics	Linear
Material	Carbon Steel, Stainless Steel
Operating Temperature	Standard Temperature
Power Source	n/a
Pressure Class	ASME
Process Connection Type	Wafer
Seat/Seal Type	PTFE Seals
Shutoff Class	Bidirectional shutoff to Class VI per ANSI/FCI 70-2.
Standards	ASME B16.34
Stem	Square
Valve Size	NPS 3, NPS 4, NPS 6, NPS 8, NPS 10, NPS 12
Valve Size Standard	NPS

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 an excellent corrosion-resistant finish to all steel parts.

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Brands

Fisher 8540 High Performance Butterfly Valve

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