Ball valve provided with a lock ring

Details Ball valve provided with a lock ring Ball valve provided with a lock ring

1984-09-12

1986-08-12

Schwadron, Martin P.

Valves and valve actuation

With means to increase head and seat contact pressure

Seat pressed to valve

251292, 251317, 137328, 16121, 16DIG30, F16K 2500

Patent

active

046051996

ABSTRACT:
A ball valve having a valve body within which is provided a ball for opening and closing the valve. The ball valve is constructed with bushings and lock rings arranged for ease of assembly and disassembly for inspection of the wear of internal ring seals. An internal lock ring is provided with recesses in an end face for receiving a tool which is part of the operating handle of the valve.

REFERENCES:
patent: 1664270 (1928-03-01), Shevlin
patent: 3717323 (1973-02-01), Geipel
patent: 4072161 (1978-02-01), Schoeneweis et al.
patent: 4099705 (1978-07-01), Runyan
patent: 4449694 (1984-05-01), Hobart et al.
patent: 4463777 (1984-08-01), Taniguthi et al.

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