... Refrigerant :HCFC.HFC Max Operating Pressure:2.5Mpa Model KM Diaphragm Hand Valve 1 Brand Name:Hongsen 2 Applicable Refrigerant :HCFC,HFC3 ... :-0.1Mpa-2.1Mpa 5 Specification:KM-1/4,KM-3/8,KM-1/2,KM-5/8,KM-3/4,KM-7/8Product Picture :Our company also ... Copper Tube Insulated Material Capacitors Refrigeration Tools Refrigetation Accessories Model KM Diaphragm Hand Valve