YTC  make  Solenoid Value  YT - 700S
Product Description : 
Explosion proof type 3-way solenoid valve, YT-700S series outputs supplied air pressure to valve.
Product Characteristic : 
1.  Explosion proof type (ExdIICT6) solenoid valve.
2.  Replacement of coil is easy due to AC and DC applied in same enclosure.
3.  Manual switch enables user to test the operation when the power source is cutoff.
4.  Connecting wires are easy because connection port can be rotated (265°).
5.  Anodizing resists against corrosion process.