Fluid handling – With cleaner – lubrication added to fluid or liquid sealing... – Cleaning or steam sterilizing
Patent
1987-07-29
1989-06-06
Chambers, A. Michael
Fluid handling
With cleaner, lubrication added to fluid or liquid sealing...
Cleaning or steam sterilizing
251331, 251144, A16K 712
Patent
active
048362360
ABSTRACT:
A valve particularly adapted for use as a sterilizable drain valve to be mounted flush in the bottom of a tank, has a housing body running flush with the bottom of the tank and a piston-mounted diaphragm sealing an opening perpendicular to the tank walls. A steam inlet and first outlet, running perpendicular to the valve axis, communicate with a valve chamber through which the piston operator and diaphragm are movable. The diaphragm can be polyetheretherketone (PEEK), which is difficult to imprint, at least on a side facing the opening in the tank. A containment outlet disposed opposite the diaphragm from the inlet permits containment of tank contents in the event of diaphragm rupture. The containment outlet is connected to the area of the diaphragm adjacent the pump chamber along an axial slot in the operator piston. A handle threadably mounted on a bonnet of the valve housing is used for axially displacing the operator pistor toward and away from the inlet.
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Chambers A. Michael
Fox John C.
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