High pressure ball valve with tipping action

Details High pressure ball valve with tipping action High pressure ball valve with tipping action

1977-11-28

1980-11-04

Cline, William R.

Valves and valve actuation

With means to increase head and seat contact pressure

With positive reduction

251175, 251188, 251315, 251335B, F16K 506

Patent

active

042315450

ABSTRACT:
A ball valve or the like for high pressure operation having a connection between the actuating stem and the body wall which allows tipping of the ball valve under pressure into tight sealing engagement with the sealing ring at the outlet end of the valve. The actuating stem is sealed to a first ring but has clearance with the valve body, and the ring is attached by a bellows or the like, which in turn is connected to the valve body, so that the stem may tip slightly with respect to the valve body.

REFERENCES:
patent: 2218886 (1940-10-01), Krause
patent: 3473554 (1969-10-01), King
patent: 3982727 (1976-09-01), Nelimarkka

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