Corp Stops-MNPT-Plug Style

A corporation (corp) stop is the initial control valve for the service line, allowing for the installation of a new water service line without interrupting the water main pressure. A.Y. McDonald’s Male National Pipe Thread (MNPT) plug style option includes a 360-degree operating head and allows for operating pressure of 100 PSI on 1/2”, 3/4”, and 1” valves and 80 PSI on 1 1/4”, 1 1/2”, and 2” valves.