WD35104 6 UL/FM BFV W/GO, Butterfly Valve - Ductile Iron, Fire Protection, UL Listed, WD-3510

Product Description

The NIBCO wafer type butterfly valve is classified as a fire protection control valve that are Underwriters Laboratories listed and FM Approved for bubble-tight shutoff at 250 PSI water working pressure. Wafer valves are recommended for quick installation and removal from piping. The NIBCO ductile iron butterfly valve is designed specifically to meet the rigorous requirements of automatic sprinkler systems. The unique EPDM molded-in seat liner with ductile iron disc provides bubble-tight shutoff at rated pressure. With the internal stem/disc geometric 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 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.

• Valve pressure rating 250 psi wwp
• Wafer style
• EPDM molded-in seat liner
• Ductile iron disc
• Stainless steel stem with copper bushings
• Geometric drive
• Extended neck
• Operating mechanism: Manual gear operator
• 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
• UL/ULC Listed
• FM Approved
• UL Listed for Indoor and Outdoor Service
• Designed to meet MSS SP-67
• 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. 770-1243:104
• Size range 2" to 12"