Diaphragm valve

Details Diaphragm valve Diaphragm valve

1984-06-20

1985-10-08

Rosenthal, Arnold

Valves and valve actuation

Reciprocating valve

Diaphragm

285336, F16K 716, F16L 1706

Patent

active

045455651

ABSTRACT:
A diaphragm valve suitable for the food industry, including a valve body (1) and body caps (2) connected to opposite ends thereof in a detachable but water-tight manner. Sealing between the valve body (1) and the body cap (2) is provided by an annular groove (16) recessed on the end surface of the valve body (1) and/or the body caps (2) and packing rings (17) having an inner diameter corresponding to that of the valve body (1) and provided with an annular protrusion (18) fitted to the groove (16). By this sealing, a gap between the opposite surfaces of the valve body (1) and the body cap (2) is completely eliminated.

REFERENCES:
patent: 2780483 (1957-02-01), Kessler
patent: 2789844 (1957-04-01), Kessler
patent: 3989285 (1976-11-01), Yancey
patent: 4159132 (1979-06-01), Hitz

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