Tank bottom diaphragm valve

Details Tank bottom diaphragm valve Tank bottom diaphragm valve

1991-04-17

1994-01-11

Schwadron, Martin P.

Valves and valve actuation

With correlated flow path

Tank

251331, 222559, F16K 716

Patent

active

052774015

ABSTRACT:
A diaphragm valve which mounts directly on a tank bottom provides positive isolation between the vessel and downstream piping. When closed, the diaphragm seals against the valve body weir to seal the valve, and when opened, the valve provides a smooth, crevice free, drainable passageway to the downstream piping.

REFERENCES:
patent: 3134570 (1964-05-01), Jarrett
patent: 4251053 (1981-02-01), Wurzer
patent: 4280680 (1981-07-01), Payne
patent: 4505451 (1985-03-01), Jones
patent: 4784174 (1988-11-01), Ryan
patent: 4819691 (1989-04-01), Lofgren et al.
patent: 4836236 (1989-06-01), Ladisch
patent: 5065980 (1991-11-01), Pedersen

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