Check valve assembly for high pressure pumps

Details Check valve assembly for high pressure pumps Check valve assembly for high pressure pumps

1988-11-14

1989-09-05

Rivell, John

Fluid handling

Removable valve head and seat unit

Pump type

137512, 1375125, 417571, F16K 1500, F04B 3910

Patent

active

048629111

ABSTRACT:
Disclosed herein is a check valve assembly for use in high pressure pumps having a high pressure plunger reciprocating in a pressure chamber or for use in other pressure chambers wherein both fluid inlet check valve means and fluid outlet check valve means are provided adjacent to the pressure chamber. The check valve assembly of the present invention is especially suitable for use in high pressure pumps operating to produce fluid pressures in excess of 10,000 psi, and significantly increases the operating life of the check valve assembly by reducing the incidences of material fatigue caused by cyclic stresses due to cycling high and low pressures.

REFERENCES:
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patent: 3811795 (1974-05-01), Olsen
patent: 4026322 (1977-05-01), Thomas
patent: 4371001 (1983-02-01), Olsen
patent: 4412792 (1983-11-01), LaBorde et al.

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