TJ7000D series is used the new structure, new technology and new standard, possessing the technical features of integrated valve  body,  spherical  sealing  seat  the  bottom-entry  structure and so on, wih good cutting off performance and comprehensive applicability. These technical features can effectively alleviate the  sealing  face’s  abrasion  and  promote  the  service  life. Meanwhile, it can efficaciously reduce the potential leakage point and improve the reliability of the valve. Therefore, this series of ball valves is suitable for cutting off various liquids, gases and sizing type of fluid, which is a broad-spectrum stop valve.