piston valve


Also found in: Dictionary, Wikipedia.

piston valve

[′pis·tən ¦valv]
(mechanical engineering)
A cylindrical type of steam engine slide valve for admission and exhaust of steam.
References in periodicals archive ?
When the piston moves downwards, the foot valve closes, preventing backflow, and the piston valve opens, allowing the piston to move down through the water in the cylinder.
The piston valve sealing area does not come into contact with the flow medium.
Tenders are invited for 25 Supply of GASKET ROD PISTON CONNECTING ASSY SAFETY PLATE PISTON VALVE RING SUCTION SPRING BEARING BUSH
NC A&T's resin transfer technology has a number of significant commercial applications including, low cost CCC piston valve for internal combustion (IC) engines, low cost CCC bearing cages for high speed engines, and CCC ion thrusters.
Tenders are invited for Piston Valve With Gasket, Nut, Washer And Split Pin In Assembled Condition For Emergency Application Valve For Wsf Type Brake Equipment Of Emu S As Per Wsf Ref.
Asco products include solenoid pilot valves, angle body piston valves, linear indicators, redundant control systems, and pressure sensors.
The piston valves are stainless steel to withstand the corrosive tallow.
And best of all, without piston valves, a crankshaft or camshaft it's inherently quiet at 60 dB at 1,500 feet.
The connector is a single component permanently installed in the pipeline and can incorporate piston valves to isolate the steam supply to the trap.