Pump valve

Details Pump valve Pump valve

1990-08-09

1991-10-01

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

13754323, 251332, F16K 1506

Patent

active

050524356

ABSTRACT:
A reciprocating pump valve and seat having mating frustoconical seating surfaces in which a resilient sealing insert on the valve is below a rigid disc portion of the valve, with a sealing surface on the insert engageable with the seating surface of the seat radially outwardly from the portion of the seating surface of the seat engageable by the rigid disc portion of the valve.

REFERENCES:
patent: 1692795 (1928-11-01), Clifford
patent: 1705800 (1929-03-01), Akeyson
patent: 1716896 (1929-06-01), Miller
patent: 2107200 (1938-02-01), Kennon
patent: 2260381 (1941-10-01), Kennon
patent: 3057372 (1962-10-01), Sutton
patent: 3074425 (1963-01-01), Kikendall
patent: 3191617 (1965-06-01), Maddox
patent: 3324880 (1967-06-01), Roberts et al.
patent: 3532115 (1968-04-01), Hodil Jr.
patent: 3605793 (1969-07-01), Kinsel
patent: 4074694 (1978-02-01), Lee
patent: 4180097 (1979-12-01), Sjoberg
patent: 4479508 (1984-10-01), Breed
patent: 4951707 (1990-08-01), Johnson

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