Valve body for a valve assembly

Details Valve body for a valve assembly Valve body for a valve assembly

2007-09-25

2007-09-25

Fox, John (Department: 3753)

Fluid handling

Systems

With flow control means for branched passages

C251S061100

Reexamination Certificate

active

11125587

ABSTRACT:
A valve body for a valve assembly includes a main passageway in which a primary valve is received which has a weir constructed to define a valve seat and to interact with a valve element in the form of a diaphragm. Integrated in the valve body is a secondary valve having a weir which defines a valve seat and interacts with a second valve element in the form of a diaphragm. The secondary valve is constructed to allow establishment of a fluid communication upstream of the valve seat of the primary valve between the main passageway and a branch line, via which a medium sample can be extracted and/or steam and/or condensate can be, optionally, released.

REFERENCES:
patent: 6237637 (2001-05-01), Kovacs et al.
patent: 6401756 (2002-06-01), Crissman et al.
patent: 6672566 (2004-01-01), Cordova

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