2. Use special booster oil-free compressor, can sub-package various refrigerants like R22/R134A/R410A etc;
3. Suitable for transferring refrigerants from ISO tank or1000-400L tank to 12-60L cylinder;
4. Refrigerant filling completely, and auto-stop when the pressure of supply tank is up to -0.04MPA;
5. Three working-station design, high filling efficiency;
6. Overall protection system, safe credible;
7. Filling accuracy is 0.5%;
8. Can make according to customers' requirements.