Manual Ball Valve Advantages
1. Soft seated ball valve or metal seated ball valves for high temperature
2. Full bore and reduced bore ball valve
3. Fire-safe and anti-static device
4. Double block and bleed function
5. Grease injection for seat and stem
6. Blowout-proof stem
7. Self cavity pressure relief
8. Gland locking device
9. Anti-leakage packing and packing box
10. ISO 5211 mounting pad