Relief valve

Details Relief valve Relief valve

1979-12-10

1981-10-13

Cline, William R.

Fluid handling

Line condition change responsive valves

Direct response valves

251359, F16K 1502

Patent

active

042942810

ABSTRACT:
A pressure relief valve has a valve disc with a valve stem extending through a valve opening and an annular sealing washer disposed between the disc and a valve seat about the valve opening operated by a limitedly flexible, spring loaded, longitudinally ribbed, holding element with a conically tapering central aperture through a central hub thereof through which the valve stem extends to dispose an enlarged valve stem head behind a hub shoulder.

REFERENCES:
patent: 1774690 (1930-09-01), Willoughby
patent: 3351081 (1967-11-01), Bogossian et al.
patent: 3396743 (1968-08-01), Mackal et al.
patent: 3590851 (1971-07-01), Bogossian et al.
patent: 4056121 (1977-11-01), Gerdes

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