Ball type valve with high pressure sealing capability

Details Ball type valve with high pressure sealing capability Ball type valve with high pressure sealing capability

1974-12-09

1976-03-02

Weakley, Harold W.

Valves and valve actuation

With means to increase head and seat contact pressure

With positive reduction

251163, F16K 2500

Patent

active

039413519

ABSTRACT:
An improvement of a ball type valve which includes structure for conventional closing by quarter turn rotation of the ball, plus pressure sealing of the valve when closed by rocking about a tangential axis. It provides structure to permit both the closing and the pressure sealing, with less than a half turn of a control handle for each.

REFERENCES:
patent: 2076839 (1937-04-01), Heggem
patent: 3033513 (1962-05-01), Vulliez
patent: 3473554 (1969-10-01), King
patent: 3625478 (1971-12-01), Killian

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