... 1/4" ,8mm,10mm,15mm,20mm,25mm,32mmVoltage: DC3-6V,,AC/DC9-24V,AC110V,AC120V,AC220VValve body Material: Stainless steel (304 ... .HVAC and fire works.3.Water equipment,auto-control watersystem,industrial mini-auto equipment, Small equipment for automatic control4.Irrigation equipment,drinking water equipment ...