... 3.Work Pressure:0.2~3.1MPa 4.Fin space:1.2~3.5mm 5.Tube Diameter:5/16",3/8",1/2", 5/8". ... Steel pipe with an outer diameter of 3/8",1/2"and 5/8";stainless or carbon steel Type: 1 ... :four stage compressor circuit Bay numbers:2,3,4,5,6,8,10,12... Finned tubes:Sine wave ... refrigerator,bottle cooler,deep freezer,milk tank, etc);3.Industrial Refrigeration Systms (Printing machine, Colling machine,etc ...