1. It can be reliably shut off not only in the forward pressure, but also in the reverse pressure or when the reverse pressure is far greater than the forward pressure;

2. On the two sealing surfaces of the sealing pair, advanced processes such as space plasma spraying, ether laser sputtering and vacuum protection infiltration surfacing can be used to form martensitic stainless steel, austenitic stainless steel, hard alloy, cermet, synthetic diamond and other gradient functional materials according to different hardness needs;

3. It can automatically align the center (adaptive), and automatically compensate the wear;

4. When closing, make full use of the energy of the medium in the valve, and automatically apply extremely high sealing specific pressure, so that the high hard sealing pair can achieve reliable zero leakage;

5. There is no friction between the sealing pairs of instant closing and instant opening. When the valve core is opened, the projection section of the valve core continuously shrinks and retreats, and when the valve core is opened, the retreating is faster than the shrinking. When closing, the projected section of the valve core expands and advances continuously. The expansion rate is greater than the forward rate at the beginning of closing, and the forward rate is greater than the expansion rate at the end of closing. It has the characteristics of eccentric hemisphere valve, globe valve and wedge gate valve;

6. Its main structure is similar to the butterfly valve, which has the characteristics of short structure and small volume, so it can manufacture valves with large diameter, extra large diameter and extra large diameter.

At the same time, the valve has the functions and advantages of butterfly valve, hemisphere valve, gate valve and globe valve as well as its own completely different powerful functions and advantages. A series of advantages, such as small size, light weight, convenient transportation, installation, maintenance and repair, and reliable operation, have become a major technological revolution in the valve industry.