... ,24V,220V 3 presssure:1.0mpa 2-way/3-way electric operated Valve 1/4" to 1",IP65, with differnt wiring ... meters,heat energy meters,air-warm valve.HVAC and fire works. 3. Water equipment,auto-control watersystem,industrial mini-auto equipment ... valve, control valve, shut off valve, actuator valve, electric operated valve mini electric ball valve solenoid water for water treatment,HAVC,automatic ...