Pilot-controlled electromagnetic valve
Pivot and bearing assembly for a manual valve operator
Pneumatically operated valve with a manually operated back-up di
Pneumatically operated valve with manual override and lockout
Power-operated loading gate for centrifugal machines incorporati
Pressure balanced gate valve having selective actuator systems
Preventative stop valve system and method
Remote air operator for an air valve, with manual override and i
Remote control actuating device for a valve
Remotely operable safety valve
Remotely-controlled valve
Servo valve
Single-effect submarine actuator for operating valves
Single-effect submarine actuator for operating valves
Small bore gate valve
Subsea gate valve actuator with external manual override and dri
Tap for a cylinder of gas under pressure
Throttle valve actuator including separate valve driving devices
Vacuum regulating valve
Valve