1. The product is reasonable in structure, reliable in sealing, excellent in performance and beautiful in appearance.

2. its sealing is achieved through the sealing ring around the valve plate. Unique dovetail groove protection and fixed sealing ring.

3. two-way flow, installation and use more convenient.

4. Material and flange size of parts can be reasonably selected according to actual working conditions or user requirements to meet various engineering needs.

5. In the process of opening the valve, the valve disc and the valve seat are in a state of detachment, the process of switching is zero friction, will not make the sealing surface damage, while sealing using soft sealing, so that the sealing is zero leakage when closed.