1. Double o-ring seals in stem area design to prevents 

leakage

2. Blow-out proof stem

3. Fire safe design

4. One-piece body design: Same rigidity as the pipe

5. Floating spring-loaded seats design to ensure even 

sealing at low pressure

6. Emergency sealant injection fitting design

7. Top-entry ball and seat for easy maintenance online

8. Full bore design for pigging purpose

9. Cavity self-relief when over-pressured

10. Anti-static device design

11. Double block and bleed design (DBB)

Specification

Details