Pipe coupling with valve closure safety system

Details Pipe coupling with valve closure safety system Pipe coupling with valve closure safety system

1982-11-19

1985-05-07

Chambers, A. Michael

Fluid handling

Systems

Flow path with serial valves and/or closures

2511499, 285 1, 285408, F16L 2304, F16L 3728

Patent

active

045151822

ABSTRACT:
A quickly and safely releasable pipe coupling for connecting two adjacent pipe flanges, the coupling including a mechanical interlock system that prevents release of the flange connection when one or more valves in the pipe is not fully closed, and to effect valve closure and then coupling release by means of a coupling release jack when the valve closure control system is inoperative.

REFERENCES:
patent: 4231398 (1980-11-01), Gibbons
patent: 4306739 (1981-12-01), Bormioli
patent: 4309049 (1982-01-01), Chevallier
patent: 4354522 (1982-10-01), Bormioli

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