Dual piston pneumatically operated valve
Dual stage hydraulic actuator for expanding gate valve
Dual stage valve actuator
Dump/stop valve for surface controlled subsurface safety valve
ECP manifold valve inserts
ECP manifold vent valve insert
End assembly for control valves
Engine air cut-off device
Engine air cut-off device
Engine shutdown valve
Expanding gate valve with pneumatic actuator
Explosion barring shutoff device
Fail-safe fluid piloted valve positioner with hydromechanical po
Fail-safe valve actuator
Failsafe cutoff valve for oil and gas wells
Fast valve
Flow control valve
Flow control valve that may be used for mold temperature...
Flow controlling apparatus
Flow governor