Clean-in-place valve and valve seat

Details Clean-in-place valve and valve seat Clean-in-place valve and valve seat

2006-04-11

2006-04-11

Lee, Kevin (Department: 3753)

Fluid handling

Processes

Cleaning, repairing, or assembling

C137S240000, C137S246000, C137S312000, C251S359000

Reexamination Certificate

active

07025078

ABSTRACT:
A valve seat and a valve assembly incorporating such valve seat form tight dual seals with glass lined nozzle of a reagent or reaction vessel. This reduces or eliminates cavities and crevices between the value seat and the nozzle where residues or contaminants can accumulate. Additionally, the present valve assembly comprises flush ports to permit the valve seat and the valve to be cleaned-in-place. This eliminates the need to disassemble the valve seat and/or the valve to remove the contaminants, thereby minimizing process “down time.”

REFERENCES:
patent: 4377892 (1983-03-01), Gonzalez
patent: 4856551 (1989-08-01), Bräkelmann
patent: 5080120 (1992-01-01), Jordan

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