Plastic control valve

Details Plastic control valve Plastic control valve

1980-05-16

1982-08-10

Walton, George L.

Valves and valve actuation

Mechanical movement actuator

Cam

74 57, 251256, 251288, 251335A, 251263, F16K 31524

Patent

active

043434568

ABSTRACT:
A control valve with a three part, all plastic housing having an access opening through which a slide extends for operating the plastic valve element toward and away from the valve seat, the plastic valve element having an integrally molded plastic diaphragm clamped between parts of the all plastic housing and traversing the entire access opening, the slide being operated by a rotor, there being ramp shaped surfaces on confronting faces of the rotor and slide, and an adjustment nut for locating the rotor, slide and valve element relative to the valve seat.

REFERENCES:
patent: 888455 (1908-05-01), Atkiss et al.
patent: 1511566 (1924-10-01), Kollock
patent: 2035202 (1936-03-01), Smith
patent: 2089977 (1937-08-01), Marchant
patent: 2096528 (1937-10-01), Saunders
patent: 2510393 (1950-06-01), Fraser et al.
patent: 2575775 (1951-11-01), Tecters
patent: 2579982 (1951-12-01), Trump
patent: 2603445 (1952-07-01), Marchant
patent: 2646248 (1953-07-01), Cornelius
patent: 3390921 (1968-07-01), Klimek
patent: 3743245 (1973-07-01), Demler, Sr.
patent: 3929317 (1975-12-01), Cohn et al.
patent: 4014514 (1977-03-01), Priese et al.
patent: 4076209 (1978-02-01), Kilgariff
patent: 4180239 (1979-12-01), Valukis

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