Locking ball valve
Locking control valve handle
Locking device
Locking valve
Locking-type gas valve
Manual device for valve
Micrometer-controlled linear flow rate fluid flow valve assembly
Oil extractor for vehicle engines and the like
Operating handle for bottom operated railway tank car valve
Pipe coupling
Positioning assembly for use with rotatable valves
Positive locking valve control device
Push and turn hydrant for delivery of hot or cold water...
Push control faucet handle
Remote control of cut-out cock
Remote-control apparatus for opening or closing the valve of con
Remotely controllable reset mechanism for a vacuum-actuated syst
Safety control for valve
Safety control knob for hot water valve
Safety device for a pneumatic tool