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：0-16bar； 0-25bar；0-40bar
Working temp.：-50℃～220℃；-50～350℃
sealing of shaft ：PTFE 、PPL
Materials: SS304、SS316L
Connection way: Box thread, Flange
Electrical data:
Voltage: AC220V、DC24V
Service pressure:double action(4-7bar);Single action(5-7bar)
Electric locator: Input4-20mA signal,regulating action
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：