Reverse flow modifiable combination valve

Fluid handling – Systems – Flow path with serial valves and/or closures

Reexamination Certificate

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Details

C137S625330, C251S061100

Reexamination Certificate

active

07021333

ABSTRACT:
Reverse Flow Modifiable Combination Valve is a valve which has a common cage in which different types of fluid control means can be installed in a fix location to produce more than one type of valves having different flow characteristics, and inner flow control means of the valve can be inspected and replaced without removing cage of the valve.

REFERENCES:
patent: 5020571 (1991-06-01), Tartaglia et al.
patent: 5069248 (1991-12-01), Gill
patent: 6505646 (2003-01-01), Singleton

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