Clean-in-place pressure and vacuum relief valve

Details Clean-in-place pressure and vacuum relief valve Clean-in-place pressure and vacuum relief valve

1989-08-30

1991-03-26

Hepperle, Stephen M.

Fluid handling

Line condition change responsive valves

Bi-directional flow valves

1374936, 137522, F16K 17196

Patent

active

050020889

ABSTRACT:
A clean in place or sterilize in place valve includes both over pressure and vacuum protection. The apparatus can be remotely operated and monitored to assure that the valve did or will function correctly. The valve housing has a bore that communicates with a vessel. The bore is valved with separately movable pressure valving and vacuum valving members, each separately adjustably set at desired positive
egative pressure valve settings. The vacuum release can be operated independently of the pressure release.

REFERENCES:
patent: 2987073 (1961-06-01), Hughes
patent: 4705065 (1987-11-01), McNeely et al.

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