This NIBCO grooved type butterfly valve is classified as a fire protection control valve that is Underwriters Laboratories listed and FM Approved for bubble-tight shutoff at 300 psi water working pressure. Grooved ends are compatible with IPS pipe. This NIBCO ductile iron butterfly valve is designed specifically to meet the rigorous requirements of automatic sprinkler systems. The EPDM encapsulated ductile iron disc provides bubble-tight shutoff at rated pressure. With the internal splined stem/disc drive design there is no need for pins or bolts that may create leak paths or turbulence in the waterway. An extended neck allows for insulation up to 2 inches. Please refer to NIBCO technical data sheets, chemical resistance guides and catalogs for engineering and installation information. Choose NIBCO ductile iron butterfly valves for the most specified, versatile and economical valve option in commercial, mechanical and fire protection systems. NIBCO butterfly valves are backed by the NIBCO 5-year 125% limited warranty.Features Valve pressure rating 300 psi wwp EPDM encapsulated ductile iron disc Stainless steel stem with metal bushings Available with (suffix 8N) or without (suffix 4N) internal monitor switches Available in-ground post (suffix GP) or wall post (suffix WP) versions - UL only Operating mechanism: Manual gear operator UL/ULC Listed FM Approved UL Listed for Indoor and Outdoor Service MSS SP-25 (markings) Approved by New York City MEA 9-97-E, Vol.2 when assembled with appropriate NYC indicator flag California State Fire Marshal Listing No. 770-1243:101
