The Jizhong end cap grooved is designed to terminate grooved piping systems, widely used in fire protection and other piping applications. One of the standard options includes an 8-inch (approx. 200 mm) end connection, making it ideal for grooved pipe installations in sprinkler systems and general piping networks. https://archpipes.com/news/company-blogs-en/jizhong-end-cap-grooved/