Valve with self-sealing internal cannula
Vapor flow control valve
Velocity operated standing valve
Vent valve
Vent valve
Vented ball valve with lock-out ring
Ventilator valve
Venting cap with yieldable plastic ring
Vibration-resistant impact valve for vapor recovery line
Vibration-resistant impact valve for vapor recovery line
Water sensitive probe valve for use with a gas leak detector
Water-sensitive probe valve for use with a gas leak detector
Wet barrel fire hydrant flow preventer
Wet barrel fire hydrant flow preventer
Wing fold frangible valve