Means for limiting floating movement of gate valve seats

Details Means for limiting floating movement of gate valve seats Means for limiting floating movement of gate valve seats

1979-10-29

1980-12-23

Weakley, Harold W.

Fluid handling

With repair, tapping, assembly, or disassembly means

With disassembly tool engaging feature

251196, 251328, F16K 4300

Patent

active

042404606

ABSTRACT:
A two-piece retainer ring fits within opposed grooves (80,82) in a gate valve seat (64) and the adjacent valve body (12). The opposed grooves are of a width greater than the width of the two ring segments (84) comprising the two-piece ring and limit the movement of the associated floating seat (64). A wave spring (86) urges the ring segments (84) radially outwardly in the grooves and an access opening (88) to the grooves permits the ring segments (84) to be actuated by a suitable tool for removal of the seat, if desired.

REFERENCES:
patent: 3175802 (1965-03-01), Bredtschneider
patent: 3219055 (1965-11-01), Dumm
patent: 3937441 (1976-02-01), Baumann
patent: 4151855 (1979-05-01), Levin
patent: 4175577 (1979-11-01), Kacal

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