1. Full path or reduction design 

2. Stem blow out. Packing is pressed by pressing plate and 

sealed by stem.

3. Fire resistant design 

4. Sphere fixed or floating design 

5. Antistatic design 

6. Ball and valve seat seal surface precision hardening 

treatment, ensure sealing and service life. 

7. Automatic overpressure relief for middle chamber

8. Double seat, seat loaded by spring. 

9. ISO 5210 connection flange 

10. Low torque design, flexible switch and easy operation.

Specification

Details