Water valve diaphragm
Water valve mechanism
Water well recharge throttle valve
Water-cooled housing for a hot-blast slide valve
Water-micro-controller
Wear-resistant valve for transporting particulate matter and...
Wedge type gate valves
Weldable fuel tank valve apparatus
Welded ball valve and method of making
Welded fabricated ball valve
Well blowout preventer control pressure modulator
Wellbore valve having linear magnetically geared valve actuator
Whisker actuated faucet controller
Winch control valve
Wiper for a rotary disk valve
Wiper ring for a fluid system flow interrupting device
Wire cutting insert for gate valve
Wireline safety valve with split ball
Wireline safety valve with split ball