Hygienic stop valve

Details Hygienic stop valve Hygienic stop valve

1990-11-13

1991-12-24

Chambers, A. Michael

Valves and valve actuation

With means to increase head and seat contact pressure

Separate actuators or actuator motion

251161, 251162, 251900, F16K 2500

Patent

active

050745255

ABSTRACT:
A stop valve is disclosed which includes a means for venting fluid to the exterior of the valve housing if the valve is not properly adjusted, thereby providing a readily detectable visual indication that the valve needs to be readjusted or retightened. In another aspect, the invention includes a hygienic shutter assembly which seals the juncture between the shutter and its associated backing plate in a manner which eliminates crevices and sharp angles within which dirt and debris can accumulate.

REFERENCES:
patent: 2072965 (1937-03-01), Robinson et al.
patent: 2417494 (1947-03-01), Hoof
patent: 3342453 (1967-09-01), Soila et al.

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