This NIBCO bronze gate valve features a screw-in bonnet for service where infrequent maintenance is required. The threaded 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. Rising stem gate valves are used when positive shutoff is required and a quick visual indicator of open/closed position is needed. This NIBCO bronze gate valve may be used in commercial and industrial applications, including hot and cold water, HVAC, steam, compressed air, gas and other general utility services. Please refer to NIBCO technical data sheets, chemical resistance guides and catalogs for engineering and installation information. Choose NIBCO gate valves for the most specified, versatile and economical valve option in commercial, mechanical and industrial applications. NIBCO gate valves are backed by the NIBCO 5-year 125% limited warranty.Features Valve pressure rating 300 psi/20.6 bar non-shock cold working pressure Rising stem Solid wedge Screw-in bonnet Threaded end connections White handle for easy Lead-free Lead-free Dezincification resistant Conforms to MSS SP-139 Third-party certified to NSF/ANSI 61 and 372