drain valve

drain valve

[′drān ‚valv]
(chemical engineering)
A valve used to drain off material that has separated from a fluid or gas stream, or one used to empty a process line, vessel, or storage tank.

drain valve

i. A valve at the bottom of a combustion chamber. When the engine shuts down, these valves open and prevent an accumulation of fuel in the combustion chamber. Also occurs after a false start.
ii. A valve at the bottom of any tank through which fluid is drained out.
References in periodicals archive ?
Machines 194 69 40 Pressure relief valve 84 15 -- Pressure gauge 42 2 11 Automatic drain valve 23 -- -- Inlet and outlet valve 7 -- -- Safety Features Nitrogen Cylinder Total Total no.
The MultiProbe[TM] drain valve is designed for use in Process Analytical Technology (PAT) applications.
As soon as you open the drain valve, the sediment will likely clog it and prevent you from closing the valve all the way after it's drained.
Integrated dirt-screen between level measurement and drain valve to protect the diaphragm valve with alarm monitoring.
Open the separator by turning its drain valve counterclockwise.
A single plug-in hose connects the drain valve with the flushing plate.
With these, I made an overflow standpipe and a bottom drain valve, which go in holes drilled into the side of the trash can.
During loading of the shuttle's external fuel tank for the launch attempt on August 26, a liquid hydrogen fill and drain valve located in Discovery's aft compartment failed to provide the proper indication when it was commanded to close.
Attach another blow-out plug near the bottom of the reservoir tank if the tank does not have a threaded drain valve.
vertical, portable compressor tank, which includes a water drain valve, has a smaller footprint than horizontal tanks.
Features include programmable time setting with delayed start and stop, three memory settings for temperature, an agitating system for better temperature uniformity and a drain valve.
The company's new condensate drain valve assemblies are designed specifically for use in compressed air systems where drainage of moisture is critical.