Safety valve assembly having set and reset mechanisms
Scram valve
Self cleaning flow shutoff valve
Self re-arming valve
Self-contained emergency shutdown valve
Self-operated protection device for pipeline
Shut-off valve and method for using same
Suction device attachment with a suction channel
Surge protection valve
Two line pilot valve
Valve actuator
Valve actuator with emergency shutdown feature
Valve assembly
Valve means of a device for removing lubricating oil
Velocity-tubing pressure actuated subsurface safety valve
Water saver valve
Water shut-off valve and leak detection system
Waterflow monitoring device
Well pilot valve assembly
Wellhead safety valve control system