Control valve drive

Details Control valve drive Control valve drive

1975-04-17

1976-03-02

Klinksiek, Henry T.

Fluid handling

Line condition change responsive valves

Pilot or servo controlled

F16K 1720

Patent

active

039411486

ABSTRACT:
A system for controlling a pneumatic rising stem valve by a stepping motor is disclosed. A pressure regulator is connected to the stepping motor so that the air pressure applied to the valve can be varied according to the signals applied to the stepping motor.

REFERENCES:
patent: 3794069 (1974-02-01), Gulick

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