Device Description: It is very suitable for air conditioner, heat pump, air energy geothermal pump production, rail transportation plus fluorine, air conditioning maintenance, laboratory, processing license, and various small-volume production occasions for refrigeration units; trolley design is convenient for users to move on site; High-precision refrigerant recovery and filling machine that integrates various functions such as vacuum pumping, refrigerant recovery, and quantitative filling; it can easily remove impurities and air mixed into the refrigerant to ensure the purity of the refrigerant. It can be reused; electronic metering, precise control, automatic shutdown after recovery and filling; using oil-free compressor, can recover and fill a variety of different refrigerants, such as: R134a/R22/R410/R407C/R406/R123 Common refrigerants; complete overpressure, overweight, overload protection; optional oil distribution device, can quickly and easily separate and replenish compressor oil; digital display quantitative filling and high power vacuum pump, can be 24 hours Continuous work, very suitable for small batch production line; standard 20KG large-capacity liquid storage tank, can also be equipped with 30KG large tank to eliminate your worries; According to customer requirements, tailor-made.