Irrigation valve with metal seat

Details Irrigation valve with metal seat Irrigation valve with metal seat

1975-09-22

1976-07-06

Rosenthal, Arnold

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

251359, 251365, F16K 2500

Patent

active

039678083

ABSTRACT:
A diaphragm-type irrigation valve having a molded plastic body, and including a metal valve-seat ring with sidewalls embedded in the plastic body. The seat ring has a generally U-shaped cross-section, at least one ring sidewall being non-parallel to a central axis of the ring. An O-ring seal is positioned within the ring to bear against the plastic material in which the sidewalls are embedded.

REFERENCES:
patent: 801458 (1905-10-01), Huxley
patent: 3318565 (1967-05-01), Cutler
patent: 3347519 (1967-10-01), Engstrom

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