Automatic/manual device for controlling outflow of water or...
Automatically activated safety device with a double valve...
Automatically controlled system for maintaining a swimming pool
Automatically operating valve for regulating water flow and...
Automatically regulated fire valve
Automatically tripped compact safety device for controlling...
Auxiliary knob for gas valve to annunciate open condition
Auxiliary safety valve for a pressurized fluid system
Auxiliary spring assisted valve linkage
Aviation fuel grade monitor
Axial actuator
Axial flow control valves having an internal actuator
Axial flow throttling valve; and automatically varying...
Axial flow valve
Axial multiport rotary valve
Axial-mounted high flow valve
Axial-movement type springless valve
Axially adjustable tap handle attachment mechanism
Axially energisable ball valve