... direct 3.design pressure 1.77Mpa 58.5CBM LPG semi trailer with insulation panel1.BPW or FUWA axles 2.Factory ... Q345RStandard configuration12T BPW axle, safety valve,single fluid two valve box. hydraulic legs, traction pin, liquid Indicator,pressure gauge,temperature ... gauge,emergency cut-off valve,valve box,fire suppression bottle,spark hider cover,anti static grounding ...