Hydraulically energized wireline blowout preventer
Isolation valve
Leak resistant plug valve
Leak resistant plug valve
Lubricated plug valve
Lubricated plug valve
Lubricated rotary valve with concentric sealing rings
Lubricated split plug valve
Lubricated split plug valve
Lubricated water valve
Lubrication system for valve seat of a gate valve
Mechanically balanced tapered plug valve
One way valve
Overpressure valve for packages with flexible walls
Piston valve
Plug valve
Plug valve for reduced leakage
Pressure control valve for a packaging container and device...
Pressure-relief one-way valve applicable to a package...
Reelable flow stopper for plugging fluid flow within a pipe