Water-hammerless check valve
Water-micro-controller
Waterline injection nozzle apparatus
Wedge sealed damper
Wedge type gate valves
Wedge-type gate valve
Weir construction for liquid distributors
Weir valve sampling/injection port
Weir valve with adjustable bypass
Weldable fuel tank valve apparatus
Weldable mount for fuel systems component
Weldable vapor vent valve for fuel tanks
Welded interconnection modules for high purity fluid flow contro
Wellhead connection of hydraulic control lines
Wide angle controller with dual function check valves
Windshield fluid delivery system
Wiper for a rotary disk valve