Swing check valve with hinge pin insert

Details Swing check valve with hinge pin insert Swing check valve with hinge pin insert

1988-09-22

1989-08-29

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

1375274, 1375278, F16K 1503

Patent

active

048607894

ABSTRACT:
A swing check valve where the hinge pin of the disc is supported by an insert separate from the valve seat and/or valve cage. The hinge pin insert is readily replaceable.

REFERENCES:
patent: 3720228 (1973-03-01), Wheatley
patent: 3817277 (1974-06-01), Wheatley
patent: 3933173 (1976-01-01), Kajita
patent: 3934608 (1976-01-01), Guyton
patent: 4201241 (1980-05-01), Schertler

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