The M-series is the first and best braze-on, self-piercing copper saddle valve. It is widely used and easily Installed on a charged line. After brazing the saddle portion onto line, the steel pin with valve core penetrates th e line and is locked into place simply by tightening the cap.

C&D Valve Braze-On Saddle Valve, 1/2 in Nominal, Copper-to-Copper Connection, Copper Body