... Similar to Airtac type,Unid 4.Power: pneumatic control style 1.2 port pneumatic control valve 2.We have CE certificate . 3 ... .Similar to UNID type.pneumatic control valve is direct action type two-position & 2-port solenoid ... normally used in modern industrial pipeline for water ,oil.pneumatic control valve specificationMediaAir, Gas, Oil, SteamAdjustable pressure range0.30~0. ...