Applications: Astronautics, national defense military goods, nuclear industry, ships heavy industry, petrified, electrical equipment, medicine equipment, industry dry kiln, dry equipment, fire fighting equipment, pass air conditioning, decontamination unit, galvanization painting warmly, fill install measurement, machine building, food industry, water disposal system and so on。 Technical specifications: Fluid: Gas, water, oil, steam, refrigerant, corrosive fluid Operating pressure:0-8.0bar Working temp.:-20-180℃ sealing of shaft :EPDM、PTFE、VITON Materials: WCB、SS304、SS316L Connection way: KF、Flange Electrical data: Voltage: AC220V、DC24V Service pressure:double action(4-7bar);Single action(5-7bar) 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: