1. The valve body adopts full channel and streamline design, with small fluid resistance and large flow.

2. The connection between the body, cover, and piston rod is double sealed by a sealing gasket and a sealing ring, without external leakage.

3. The valve body, piston cylinder, and piston are double guided, ensuring smooth and reliable movement.

4. All stainless steel piston cylinder, integrally cast piston, NBR sealing ring. The perfect combination greatly extends the service life.

5. The detachable valve seat with advanced technology has a clever structure, novel concept, and is convenient for maintenance and replacement.

6. For piston cylinders with guide holes, increase the resistance appropriately to make the piston movement more stable.