Bleed system

Details Bleed system Bleed system

1998-07-09

1999-11-09

Hepperle, Stephen M.

Fluid handling

With leakage or drip collecting

137517, 137599, F16K 2402

Patent

active

059794887

ABSTRACT:
An improved bleed system for a double block and bleed plug-type valve which employ a safety check valve which automatically shuts off bleed system flow upon ruptures or upon an inadvertently open manual bleed valve during normal plug valve operation. An integral component combines the safety check valve and other bleed system components in a unitary device which is especially resistant to plumbing damage incidents.

REFERENCES:
patent: 2038132 (1936-04-01), Robinson et al.
patent: 3060964 (1962-10-01), Bagwell
patent: 3135284 (1964-06-01), Magos
patent: 4749002 (1988-06-01), Lembser
patent: 4848401 (1989-07-01), Devilleger et al.

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