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Fisher A31D Butterfly Valve

Fisher A31D Butterfly Valve

The Fisher A31D is a double-flange high-performance butterfly valve featuring either a splined drive shaft or a keyed drive shaft for either throttling or on/off service. A31D is available in NPS 3 through 24, CL150 and CL300.

Description

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Fisher A31D Valve


The Fisher A31D is a double-flange high-performance butterfly valve featuring either a splined drive shaft or a keyed drive shaft for either throttling or on/off service. A31D is available in NPS 3 through 24, CL150 and CL300.


Main feature

a) A31D butterfly valve is withShaft-blowout protection design. 

b) For NPS 3 through 12 valves, the packing follower and an anti-blowout follower hold an anti-blowout gland securely around the valve shaft.  

c) For NPS 14 through 24 valves, the anti-blowout gland fits securely over the valve shaft which has been turned down to form a circumferential shoulder that contacts the anti-blowout gland.

Specification

1) Excellent Shutoff Integrity 

2) True Bi-directional Shutoff Performance 

3) Shaft Versatility 

4) Easy Installation  

5) Reliable Flange Gasketing Surface

6) Excellent Emissions Capabilitie

7) Sour Service Capability  

You may email to postmaster@wtindustrialeqpt.com for quotations or visit http://www.wtindustrialeqpt.com/valves/  for more information.




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