NIBCO NL0J248 T113B Hardware 3/4 Irr Gate with Bronze Hardware The NIBCO® bronze gate valve features a screw-in bonnet for service where infrequent maintenance is required. The female threaded ends allow for ease of installation. Non-rising stem gate valves are used when shutoff is required and a space saving is necessary. The solid wedge, integral seats and bi-directional service make the gate valve a good choice for a broad range of services.