Swing check valve with removable cage and disc

Details Swing check valve with removable cage and disc Swing check valve with removable cage and disc

1987-08-24

1988-11-01

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

1375274, 1375278, F16K 1503

Patent

active

047812125

ABSTRACT:
A swing check valve having the disc supported in a surrounding cage and constructed with a minimum swinging arc. The cage is designed to permit the swinging movement of the disc through approximately 90.degree. and the case is constructed to guide the disc in its final closing "floating" movement. The end portions of the hinge pin for the disc are mounted in recesses facing an abutting valve seat. In all embodiments, the disc and cage may be readily replaced for repair of the valve.

REFERENCES:
patent: 922262 (1909-05-01), Clemens, Jr.
patent: 996099 (1911-06-01), Leidecker
patent: 2532067 (1946-09-01), La Bour
patent: 2918934 (1959-12-01), Wheatley
patent: 3565107 (1971-02-01), Bunch
patent: 3817277 (1974-06-01), Wheatley
patent: 3933173 (1976-01-01), Kajita
patent: 3934608 (1976-01-01), Guyton
patent: 4201241 (1980-05-01), Schertler
patent: 4223697 (1980-09-01), Pendleton
patent: 4230150 (1980-10-01), Scaramucci
patent: 4274436 (1981-06-01), Smith
patent: 4605041 (1986-08-01), Teumer

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