Application Oil,chenical industry,shipbuilding,aerospace,military products,electric power,iron and steel,fire sprinkler,electroplating coating,gas fuel,environmental protection equipment,blowing dust,analytical instruments,textile printing and dyeing,HVAC,cleaning equipment,garden sprinkler irrigation,food industry,and other control systems. Main characteristics: Structure: Pilot operated. Piston and Seats: Delrin. NPT threaded connection. Control mode: N.C, N.O. Connection way: Box thread, flange Electrical data: Voltage: AC220V、DC24V、AC36V、AC110V power:DC:13W;AC:22VA Voltage tolerance:±10% Electrical connection: Connecting box type (popular type), electric cable lead wire type (explosion-proof) Protection class: German standard DIN43650A(IP65) Other functions: E explosion-proof (explosion-proof rank Ex I/IIT4) Figure Structure: