Cock with an incorporated stop-valve

Details Cock with an incorporated stop-valve Cock with an incorporated stop-valve

1987-03-11

1988-03-08

Chambers, A. Michael

Fluid handling

Systems

Flow path with serial valves and/or closures

13761421, F16K 1110

Patent

active

047294051

ABSTRACT:
A cock with incorporated stop-valve comprises a hollow body having aligned admission and discharge ports and a cylindrical bore which opens between the admission and discharge orifices, a cock head provided with a normally stationary member mounted within the cylindrical bore, and a valve provided with a sealing ring, which can be displaced towards and away from a valve seat for regulating the flow of fluid through the cock. A cylindrical sleeve mounted within the bore of the hollow body between this latter and the stationary member of the cock head can be displaced axially towards and away from an annular seat formed in the hollow body opposite to the inner end of the sleeve. When it is applied against the annular seat, the cylindrical sleeve constitutes a stop-valve which is incorporated with the cock and permits replacement of the sealing ring after withdrawal of the cock head.

REFERENCES:
patent: 1381766 (1921-06-01), Tohin et al.
patent: 3426795 (1969-02-01), Muller
patent: 4187872 (1980-02-01), Freeman et al.
patent: 4311170 (1982-01-01), Dolan

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