Drain and shutoff valve assembly

Details Drain and shutoff valve assembly Drain and shutoff valve assembly

1987-07-29

1988-11-15

Chambers, A. Michael

Fluid handling

Processes

Cleaning, repairing, or assembling

251143, 251144, 251218, F16L 5518

Patent

active

047841745

ABSTRACT:
A drain and shutoff valve assembly for a water pressure tank. The lower end of the tank is provided with a non-circular opening within which the drain and shutoff valve assembly is mounted. The assembly includes a plastic body having an outer non-circular section, which is received within the opening in the tank, and an inner section having a larger cross-sectional area than the outer section. The valve body is provided with a drain passage which can be opened and closed by a needle-type valve. An annular seal is disposed between the inner section of the body and the inner surface of the tank, while a retaining clip is engaged with a groove in the outer section of the body and bears against the outer surface of the tank to hold the valve body in position within the tank opening.

REFERENCES:
patent: 1786750 (1930-12-01), Hasselquist et al.
patent: 2734713 (1956-02-01), Webster
patent: 2904071 (1959-09-01), Stein
patent: 3070117 (1962-12-01), Callahan et al.
patent: 3370827 (1968-02-01), Stehlin
patent: 3727637 (1973-04-01), Barkelew
patent: 3918605 (1975-11-01), Butler
patent: 4537329 (1985-08-01), Norton
patent: 4650158 (1987-03-01), Roberts

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