1. Simple structure, small size, short structure, small volume, light weight, easy to manufacture.

2. Low pressure, can achieve a good seal.

3. Any location is easy to install and maintain.

4. Good regulation performance.

5. Flexible and labor-saving operation, you can choose manual, worm, electric, pneumatic, hydraulic control and other means.

6. Full opening valve seat effective flow area is large, less fluid resistance.