Ball valve with improved vent structure

Details Ball valve with improved vent structure Ball valve with improved vent structure

1983-12-14

1985-10-22

Cohan, Alan

Fluid handling

Systems

Multi-way valve unit

251315, F16K 1102

Patent

active

045482373

ABSTRACT:
A ball valve is disclosed in which, in the closed position of the valve, a vent passage (74) extends through the ball element (22) and communicates with a further vent passage (58, 60, 62) extending through an annular seal (28) and the body (12) of the valve. See FIG. 1.

REFERENCES:
patent: 3674052 (1972-07-01), Hartman
patent: 4099543 (1978-07-01), Mong
patent: 4386756 (1983-06-01), Muchow

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