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:
Structure: Direct-acting 
Fluid: Gas, water, oil, steam, refrigerant, corrosive fluid
Temp：-10℃--90℃,-30℃--160℃
Control mode: N.C, N.O.
Material：Cuprum
Airproof：NBR、VITON、EPDM
Connection way: Thread
Electrical data:
Voltage: DC24V 、AC220V
Power：DC：20W；AC：30VA
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：