Diaphragm valve

Details Diaphragm valve Diaphragm valve

1987-06-05

1988-08-02

Chambers, A. Michael

Valves and valve actuation

Hermetic flexible wall seal for actuator

Diaphragm

251214, F16K 3100

Patent

active

047609907

ABSTRACT:
The valve comprises a body containing a closing member with a sealing surface at the intersection of an inlet duct and an outlet duct for the passage of gas, a piston subjected to the action of a spring or the like and a control device being connected to the closing member via a pusher and via a sealing diaphragm arranged between the pusher and the piston. To lengthen the service life of the diaphragm, the diaphragm is associated with a washer comprised of a slightly deformable material.

REFERENCES:
patent: Re30989 (1982-07-01), Bake et al.
patent: 1485792 (1924-03-01), McKay
patent: 2630290 (1953-03-01), Courtot
patent: 2654559 (1953-10-01), Franck
patent: 2702686 (1955-02-01), Fortune
patent: 3979105 (1976-09-01), Pool et al.
patent: 4171792 (1979-10-01), Bass
patent: 4606374 (1986-08-01), Kolenc et al.

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