249448 ⎘
Fluid handling; Systems; Sequentially progressive opening or closing of plural valves With subsequent closing of first opened port
Sub-classes:Electromagnetically actuated valve
#2Poppet valve assembly for controlling a pneumatic actuator
#3Space-saving quick acting control valve for a steam turbine
#4Solenoid valves capable of controlling valve-opening area
#5Electromagnetically actuated valve
#6Diverter valve
#7Decompression apparatus and inorganic porous body
#8Thermal storage type gas treating apparatus
#9Valve arrangement for guiding a liquid against a gas pressure gradient