Fluid handling – Removable valve head and seat unit – Retained by bonnet or closure
Patent
1997-10-20
1999-12-07
Ferensic, Denise L.
Fluid handling
Removable valve head and seat unit
Retained by bonnet or closure
137606, 1376142, 13762531, F16K 2500
Patent
active
059966149
ABSTRACT:
A fluid valve is provided including a housing having an entrance to permit flow of fluid into the housing and an exit to permit said fluid to flow out of the housing. A first member is disposed in the housing and defines at least one first passageway. A second member is disposed in the housing and defines at least one second passageway. The first member and the second member are disposed in the housing operatively between the entrance and the exit so that the at least one first passageway and the at least one second passageway are selectively positionable with respect to each other to allow passage of the fluid through the at least one first passageway and the at least one second passageway from the entrance to the exit. A check valve is disposed in the housing operatively between the entrance and the first and second members. The check valve is configured to permit fluid flow from the entrance to the first and second members and to prevent fluid flow from the first and second members out of the housing by the entrance.
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International Search Report, Jul. 17, 1998.
Ferensic Denise L.
Kim Joanne Y.
T&S Brass & Bronze Works, Inc.
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