As one of the leading 3-piece trunnion ball valve manufacturers and suppliers in ... your service.3-Piece trunnion ball valve Features1, Trunnion mounted ball with full port.2, 3-piece trunnion ball valve with ... can be prevented by this grease injection device. 3, Fire safe design, anti static design, 4, ... CF8M,CF3,CF3MOr A105, LF2,F304,F304L,F316,F316LValve ball : A105, F304,F304L,F316,F316LValve stem : ...