Three position solenoid valve

摘要: A three position solenoid operated cartridge valve comprises an elongate cylindrical housing having axial through bore defining interior chamber. port end of the chamber and a plurality axially spaced side openings define first, second third ports. An opposite sleeve receivable in solenoid, use, spring intermediate end. member is movable at between neutral first actuated positions for selectively controlling fluid flow plunger rod operatively connects to positioning responsive movement using pull force or push force. First springs effectively provide bias normally maintaining creating non-symmetrical pattern member.