Split knife gate valve having a uniformly compressed and constra

Details Split knife gate valve having a uniformly compressed and constra Split knife gate valve having a uniformly compressed and constra

1997-11-10

1999-11-09

Fox, John

Valves and valve actuation

Reciprocating valve

Gate

251327, F16K 302

Patent

active

059798742

ABSTRACT:
A knife gate valve is constructed of two body members bolted together about a resilient gate seat. The two body members and the resilient gate seat include sets of axially aligned bolt holes through which machine bolts extend. Matching flanges on the body members form a recess for receiving the resilient gate seat, thereby constraining its movement and preventing its deformation when the knife gate is closed. The matching flanges also facilitate the uniform tightening of the machine bolts during gate valve assembly.

REFERENCES:
patent: 4377274 (1983-03-01), Mayhew, Jr.
patent: 4881719 (1989-11-01), Bowman
patent: 5141361 (1992-08-01), Fontaine
patent: 5197512 (1993-05-01), Lev
patent: 5205317 (1993-04-01), Neuerberg et al.
patent: 5330158 (1994-07-01), Ellich et al.
Lined Valve Company, Inc. Brochure for Figure 53 Ductile Iron Knife Gate Valve, Jun. 1995.
Set of Five Photographs of a Split Body Knife Gate Valve and its Components .

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