Valve with split ring retainer

Details Valve with split ring retainer Valve with split ring retainer

1983-09-06

1985-05-21

Schwadron, Martin P.

Valves and valve actuation

Rotary valves

Butterfly

251314, F16K 122

Patent

active

045181500

ABSTRACT:
An improved butterfly valve in which the body flow passageway receives a pair of seat ring retainers, each retainer having a cylindrical sidewall with planar rearward faces and with planar rearward faces which are at an acute angle to the plane of the rearward end faces, the forward end faces having a groove therein. When the retainers are assembled within the valve body a toroidal seat ring can be received in the groove between the retainers. A disc having a circumferential sealing surface is rotatably supported in the valve body to close against the seat ring.

REFERENCES:
patent: 4249555 (1981-02-01), Scaramucci
patent: 4327765 (1982-05-01), Wilson et al.
patent: 4399976 (1983-08-01), Legris

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