High differential pressure control valve

Details High differential pressure control valve High differential pressure control valve

1993-08-27

1994-10-04

Rosenthal, Arnold

Fluid handling

Systems

Multi-way valve unit

1376253, 13762539, 13762549, 251127, F16K 4704, F16K 1102

Patent

active

053517172

ABSTRACT:
A high differential pressure control valve having a plurality of stages of high resistance ports forming a high resistance passage and one or more low resistance ports forming a low resistance passage in a cage. The number of stages of low resistance ports is smaller than that of the high resistance ports so that a fluid at the side of an inlet passage is introduced into the high resistance passage under a low open degree range and into both the low resistance passage and the high resistance passage under a medium and a high open degree ranges.

REFERENCES:
patent: 1307986 (1919-06-01), Randall et al.
patent: 3821968 (1974-07-01), Barb
patent: 3880399 (1975-04-01), Luthe
patent: 4258750 (1981-03-01), Schnall et al.

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