... 1/4" ,8mm,10mm,15mm,20mm,25mm,32mmVoltage: DC3-6V,,AC/DC9-24V,AC110V,AC120V,AC220VValve body Material: Stainless steel (304 ... brass or stainless steelStem: brass or stainless steelSituable for :1.IC card meters,heat energy meters2.Air-warm valve.HVAC and ... ,industrial valve,manual valve,pneumaticvalve/air actuator,automatic valve,actuator,IC card water meter,RF card water meter,wireless remote control ...