... :100% tested 2.supply:20000pcs/month 3.alloy/NPT/PT/12V,24V,110V,220V 4.5/2 solenoid valve Specification Model4V210 ... Hand-pull Valve4H Series Hand-draw ValveHV,K3 Series Hand-switching Valve4F series Foot ValveJM,MSV Series Mechanical ValveST,RE,AS ... / pneumatic solenoid valve/5-way/air, gas/ 110V,220V AC, 12V,24V DC