Valves and valve actuation – Reciprocating valve – Diaphragm
Patent
1980-05-13
1982-07-13
Rosenthal, Arnold
Valves and valve actuation
Reciprocating valve
Diaphragm
251367, 137238, F16K 716
Patent
active
043391117
ABSTRACT:
A clean in place diaphragm valve is disclosed including a valve body portion having a fluid inlet and a fluid outlet in fluid communication with a valve chamber, the valve body portion including a dished interior, valve chamber surface in which the fluid outlet is disposed; an annular wall member surrounding the fluid inlet within the valve chamber, having a first diaphragm seating surface adapted to maintain the fluid inlet and the fluid outlet in fluid separation when a diaphragm is sealed against the first diaphragm seating surface to close the valve; a second diaphragm seating surface on the valve body portion surrounding the fluid inlet and the fluid outlet; a flexible diaphragm disposed over the valve chamber to define the valve chamber between an inner surface of the diaphragm and an interior surface of the valve body portion; a bonnet disposed to compress the diaphragm against the second diaphragm seating surface; a clamp for maintaining the diaphragm in sealing engagement against the second diaphragm seating surface; and a valve stem for forcing a portion of the diaphragm into sealing engagement against the first diaphragm seating surface to achieve a valve closed position.
REFERENCES:
patent: 2875977 (1959-03-01), Stone et al.
patent: 3067764 (1962-12-01), Geary
patent: 3083943 (1963-04-01), Stewart, Jr. et al.
patent: 3257697 (1966-06-01), Boteler
patent: 3545722 (1970-12-01), Bovio et al.
patent: 3740019 (1973-06-01), Kessell et al.
patent: 4014514 (1977-03-01), Priese et al.
patent: 4022512 (1977-05-01), Autelli
patent: 4180239 (1979-12-01), Valukis
Rosenthal Arnold
Superior Stainless, Inc.
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