... , high-temperature and Big-load conditions4) The super heat protection of motor and Overload protection can ensure its safety5) High pressure ... can be used to purge The moisture, contaminants and excess refrigerant from the system after each use7) Heavy duty industrial grade ... and compact design makes it easy to carry and use. Refrigerant Cat III:R12,R134a,R410c,R406a,R500Cat IV:R22,R410a,R401B,R402B ...