Seating arrangements for poppet or non return valves

Details Seating arrangements for poppet or non return valves Seating arrangements for poppet or non return valves

1981-05-13

1982-12-07

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

137540, 251332, 251DIG1, F16K 1502

Patent

active

043621856

ABSTRACT:
A poppet or non-return valve, in particular for high speed cycle operation, comprising a valve chamber, a valve seat and a valve member movable in the valve chamber. The valve member has a grooved button which carries an O-ring which forms an elastomeric seal. The groove is so shaped that on closing of the valve the surface of the groove does not interfere with the deformation of the O-ring.

REFERENCES:
patent: 2588157 (1952-03-01), Olson
patent: 2685296 (1954-08-01), Boosman
patent: 2811979 (1957-11-01), Presnell
patent: 2827922 (1958-03-01), Guinard
patent: 3200839 (1965-08-01), Gallagher
patent: 3580275 (1971-05-01), Hanson
patent: 4140148 (1979-02-01), Richter

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