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：0-10bar
Working temp.：-25℃－150℃
sealing of shaft ：EPDM、PTFE
Materials: UPVC
Connection way: Box thread、Jointing、Flange
Electrical data:
Voltage: DC24V、AC110V、AC220V、AC440V
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(IP67)
Other functions: E explosion-proof (explosion-proof rank ExdIIBT4)
Figure Structure：