Support for check valve disc

Details Support for check valve disc Support for check valve disc

1988-06-29

1989-08-01

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

1375274, 1375278, F16K 1503

Patent

active

048526070

ABSTRACT:
A swing check valve having a disc where the opposite end portions of the hinge pin of the disc are supported on flat surfaces formed at the opposite ends of a segmented ring surrounding a portion of the valve seat seating area.

REFERENCES:
patent: 2532067 (1950-11-01), La Bour
patent: 3565107 (1971-02-01), Bunch
patent: 3626148 (1971-12-01), Woytowich
patent: 3720228 (1973-04-01), Wheatley, Jr.
patent: 3817277 (1974-06-01), Wheatley
patent: 3933173 (1976-01-01), Kajita
patent: 4201241 (1980-05-01), Schertler
patent: 4230150 (1980-10-01), Scaramucci
patent: 4274436 (1981-06-01), Smith
patent: 4586534 (1986-05-01), McNeely
patent: 4605041 (1986-08-01), Teumer

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