... Standards(mm)Length*diameter*thicknessapplicationremarks4003600*1800*6R-134a,R22,R12,etc.Refrigerant cylinders3MPa pressure level for the export- ... oriented600*1800*8R-134a,R22,R12,Cl2NH3,SO2HF etc4600 ... pressure level for the cylinder 4MPa10002900*2050*8R-134a,Cl2SO2HF etc, under 2MPa pressure level cylinderExport-cylinder10003900 ...