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 piston, Pilot Operated 
Fluid: High temperature gas, superheat steam, dirt medium and so on 
Additional function: Manual, prevent returning 
Control mode: N.C, N.O.
Connection way: Box thread, flange
Electrical data:
Voltage: DC24V 、DC110V、AC110V、AC220V
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 ExdIIBT4)
Figure Structure：

 Figure date：