The Faults Of The Way Valve

- Mar 01, 2019-

① in the heating process must use auxiliary capillary throttling, increase consumables and costs;

② The must weld two solder joints between the auxiliary capillary tube and the first port and the second port, adding the process, the process is cumbersome;

③ only plays the role of single-wizard, lack of both single-wizard and can be their own auxiliary throttling role.