Ball valve with controlled flow variation

Details Ball valve with controlled flow variation Ball valve with controlled flow variation

1995-08-11

1996-09-03

Lee, Kevin

Fluid handling

Processes

137270, 251209, 25131501, 25131505, 25131516, F16K 4704, F16K 512

Patent

active

055514677

ABSTRACT:
A device for controlling fluid flow through a conduit includes a ball valve with a ball having a conduit terminating at an end thereof in an outlet orifice having a non-circular shape. The orifice shape is compound and may be selected to linearize the flow/ball angle relationship. The ball may be reversible to permit reversing the flow change dynamic and may also be a flow reducer.

REFERENCES:
patent: 3016062 (1962-01-01), Zinniger
patent: 3403887 (1968-10-01), Myers
patent: 3542338 (1970-11-01), Scaramucci
patent: 3591129 (1971-07-01), Hulsey
patent: 3773291 (1973-11-01), Grauer
patent: 4881718 (1989-11-01), Champagne
Hayward, "1/4"-2" Safe Block.TM. True Union Ball Valves", Hayward Product Catalogue, pre-1982.
DURCO, Duriron Company Advertisement in Nov. 1995 issue of "Processing" magazine.

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