... 1800*6R-134a,R22,R12,etc.Refrigerant cylinders3MPa pressure level for the export-oriented600*1800*8R-134a,R22,R12,Cl2NH3, ... 2100*12Cl2Export-cylinder800*2200*12Export-cylinder(Catheter-based) Second: The instructions for use the cylinder: 1. There should adjust to the measurement ... the table and the measurement lever. The weighing apparatus for filling should be examine once every three month,to ensure ...