The NIBCO® bronze gate valve features a screw-in bonnet for service where infrequent maintenance is required. The valve features a hose cap and chain to provide accessibility for attaching fire hose. This valve is Underwriters Listed and FM Approved for automatic fire sprinkler systems. 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 valvemore option in commercial, mechanical, fire protection and industrial applications. NIBCO® gate valves are backed by the NIBCO 5-year 125% limited warranty. less