Ball valve

Details Ball valve Ball valve

1981-09-25

1984-04-10

Rosenthal, Arnold

Fluid handling

Systems

Multi-way valve unit

251315, 251316, F16K 506

Patent

active

044415249

ABSTRACT:
A ball valve includes a valve seat assembly having a lower valve seat, an upper valve seat, packings located in openings formed by apertures in abutting sides of the valve seats, and annular retainers located in central holes through the packings. Each of the components has a profiled inner surface for slidable contact with the ball controlling communication between the fluid passages in the valve box. The use of such components for the valve seat simplifies manufacture, gives a wider choice of materials to be used and reduces costs of repairs.

REFERENCES:
patent: 1784381 (1930-12-01), O'Stroske
patent: 2885179 (1959-05-01), Hartmann
patent: 3236495 (1966-02-01), Buchholz
patent: 3735956 (1973-05-01), Matousek
Pacific Valves, Inc., 3Way-Multiport Ball Valves, Oct. 1, 1970.

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