1) In-line repair
2) Top entry design
3) One piece body
4) Fire safe design
5) Anti-static device
6) Blow-out proof stem
7) Emergency injection system for seat & stem
8) Stem extension on request for special purpose
9) Cast or forged body
10) Metal to metal seat on request
11) Manufactured by professional China ball valve supplier-Zhejiang Relia Valve Co., Ltd.