Manually controlled fluid valve
Manually-opened and latchable with only residual magnetism,...
Motor-operated valve apparatus
Position restoring apparatus for an open and close device
Position restoring apparatus for an open and close device
Position return device for an open and close apparatus
Quick opening solenoid actuated valve
Spring locking mechanism
Spring returning a rotary valve with a differential...
System for actuating an electrical valve from a remote location
Throttle valve restoring device
Two position rotary actuator incorporating DC solenoid
Valve actuator
Valve actuator mechanism