Valves and valve actuation – Hermetic flexible wall seal for actuator – Diaphragm
Patent
1986-03-03
1987-08-04
Chambers, A. Michael
Valves and valve actuation
Hermetic flexible wall seal for actuator
Diaphragm
2513351, 251367, F16K 3150
Patent
active
046841067
ABSTRACT:
A valve including indicating means for indicating overtravel of an operating member beyond its normally closed position for warning that replacement of a seal is necessary. A diaphragm valve has a diaphragm of a material which withstands repeated flexing and is clamped in a unique manner.
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Bork, Jr. Carl R.
Kolenc Terrence J.
Shufflebarger Earl D.
Steiss William C.
Tobbe William P.
Chambers A. Michael
Nupro Company
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