... valve. 2 volt:3-6V,12V,24V,220V 3 presssure:1.0mpa 2-way/3-way electric operated Valve 1 ... /4" to 1",IP65, with differnt wiring,3 ... ,air-warm valve.HVAC and fire works. 3. Water equipment,auto-control watersystem,industrial mini-auto ... , shut off valve, actuator valve, electric operated valve mini electric ball valve solenoid water for water treatment ...