... and highest dimensional stability3.Strict quality testing:A and B class weld joint with 100% radiographic inspection grade ... liquid sulfur dioxide ,propylene,propane,liquefied petroleum gas (LPG),dimethyl ether,normal butane,isobutane,butene,isobutene,butadiene and ... 77Working pressure Mpa≤1.61Working temperature°C≤50Filling medium-LPG (Propane)Corrosion allowancemm1.0Filling ratio %52Tank Dimensions( ...