This NIBCO gate valve features a screw-in bonnet for service where infrequent maintenance is required. Solder ends allow for ease of installation. The gate valve is constructed of high quality lead-free* dezincification-resistant (DZR) performance bronze silicon alloy per ASTM specifications. The lead-free valve is recommended for applications that deliver water for human consumption, including commercial and residential construction. The solid wedge, integral seats and bi-directional service make the gate valve a good choice for a broad range of services. Non-rising stem gate valves are used when positive shutoff is required and a space saving is necessary. Please refer to NIBCO technical data sheets, chemical resistance guides and catalogs for engineering and installation information. Choose NIBCO valves for the most specified, versatile and economical valve option in commercial and residential applications. NIBCO valves are backed by the NIBCO INC. 5-year 125% limited warranty.Features Valve pressure rating 300 psi/20.6 bar non-shock cold working pressure Non-rising stem Solid wedge Screw-in bonnet White handle for easy Lead-free NIBCO® double-oval Lead-free Class 125 solder end connections Dezincification resistant Lead-free Dimensions and workmanship conform to MSS SP-80 NSF/ANSI 61 and NSF/ANSI 372