Valve assembly

Details Valve assembly Valve assembly

1998-08-25

2000-03-28

Lee, Kevin

Fluid handling

Systems

Flow path with serial valves and/or closures

13761405, 251264, F16L 3728

Patent

active

060418184

ABSTRACT:
A valve assembly includes (1) a process valve having an axially adjustable valve stem positioned in a passageway thereof and (2) a service valve for receiving and retaining a male end of the process valve. The valve stem has a poppet mounted for axial movement therein between a first axial position closing the valve stem and a second axially position opening the valve stem. The service adapter has an axially extending pin movable from a retracted position to an extended position engaging and opening the poppet of the axially adjustable valve stem.

REFERENCES:
patent: 1063334 (1913-06-01), Donnelly
patent: 1099418 (1914-06-01), Aughenbaugh
patent: 1236372 (1917-08-01), Hitchcock
patent: 2549075 (1951-05-01), Fox
patent: 2835274 (1958-05-01), Javes
patent: 3714968 (1973-02-01), Billeter
patent: 3721264 (1973-03-01), Coughlin
patent: 3765450 (1973-10-01), Meges
patent: 3933174 (1976-01-01), Kanomata
patent: 3982561 (1976-09-01), Harthun
patent: 5139049 (1992-08-01), Jensen et al.
patent: 5179976 (1993-01-01), Boland et al.
patent: 5339862 (1994-08-01), Haunhorst
patent: 5370359 (1994-12-01), Sadegh et al.
patent: 5415200 (1995-05-01), Haunhorst et al.
patent: 5586748 (1996-12-01), Kish

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