Gas regulating valve

Details Gas regulating valve Gas regulating valve

1988-02-05

1988-11-01

Chambers, A. Michael

Fluid handling

Systems

Flow path with serial valves and/or closures

251205, 2513353, F16K 1102

Patent

active

047812168

ABSTRACT:
In a gas flow regulating valve, the needle (37) axially shifted by a rod (40) includes a recess (70) which is of variable depth and cooperates with an expanding sealing element (43). The valve is provided with a safety closure means comprising a valve member (33) which has a spring (35) and whose displacements are controlled by a free connection tube (30).

REFERENCES:
patent: 2553991 (1951-05-01), Wagner et al.
patent: 2980392 (1961-04-01), Greenwood
patent: 3054426 (1962-09-01), Fritz et al.
patent: 3727406 (1973-04-01), LeFeure
patent: 3794289 (1974-02-01), Taylor
patent: 4192348 (1980-03-01), Hansen

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