Piston-backed gas pressure regulator
Piston-driven valves
Piston-driven valves
Piston-type check valve with diffuser
Piston-type device to regulate pressure
Piston-type flush valve having a triple filtered bypass
Piston-type thermally activated relief device
Piston-type thermally or pressure activated relief device
Pivotable overhead conduit assembly
Pivotal base for enclosed hose reel
Pivotal control housing
Pivotal faucet
Pivotally mounted fuel collector
Pivoted projection having mixer valve
Pivoting control valve actuator and support assembly
Pivoting disc heart valve
Pivoting shutter device for regulating an air flow passing throu
Pivoting valve device, especially an amplifier
Plant circuit having change-over means for changing sequence of
Plant for transferring a gas into a liquid