... 7.Refrigeration: R22, R404A, Polyol Secondary Refrigerant8.-5 °C ~ + 5 °C: Pre-Cooling, Keep Fresh,-10 °C ... Gas-Liquid Separator, Oil Separator, H/L Pressure Controller, Condensing Pressure Controller, liquid Sight Glass, Solenoid Valve, Filter, H/L ... Pressure Gauge, Oil Pressure Gauge, Junction Box10.Brand Compendents: Danfoss, Alco, Castol, cold storage room/cold room for ...