liquid ammonia cylinder 1)Low pressure gas cylinder 2) Model:R134 3) Specification: 400-1000L 4) Pressure:2-4pa liquid ammonia cylinder ... thicknessapplicationremarks4003600*1800*6R-134a,R22,R12,etc.Refrigerant cylinders3MPa pressure level for the export-oriented600*1800*8R-134a,R22,R12, ... *2100*8R-134a,R22,R12, Cl2NH3,SO2HF etc3MPa pressure level for the export-oriented800*2100*10R-134a,R22,R12, ...