Obturator ring for butterfly valve

Details Obturator ring for butterfly valve Obturator ring for butterfly valve

1988-09-30

1990-02-13

Michalsky, Gerald A.

Valves and valve actuation

Rotary valves

Butterfly

251180, F16K 1226

Patent

active

048999849

ABSTRACT:
Disclosed is an obturator ring for valves of the butterfly valve type which has, mounted in a groove made on the periphery of the flap, a split ring-shaped seal working with a first elastic member applying the seal against the valve body and a second elastic member applying the seal against the groove, the elastic members being made of a refractory material.

REFERENCES:
patent: 1591903 (1926-07-01), White
patent: 3556475 (1971-01-01), Olenik
patent: 3586290 (1971-06-01), Null
patent: 4632360 (1986-12-01), De Salve

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