... (MPa)Standards(mm)Length*diameter*thicknessapplicationremarks4003600*1800*6R-134a,R22,R12,etc.Refrigerant cylinders3MPa pressure level for ... pressure level for the cylinder 4MPa 8002800*2100*6R-134a,Cl2SO2HF etc, under 2MPa pressure level cylinderExport-cylinder3800 ... pressure level for the cylinder 4MPa 10002900*2050*8R-134a,Cl2SO2HF etc, under 2MPa pressure level cylinderExport-cylinder10003900 ...