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    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® 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.
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    Butterfly Valve - Ductile Iron, Sprinkler System, UL Listed, LD-3510

    LD-3510 - Butterfly Valve - Ductile Iron, Sprinkler System, UL Listed
    Butterfly Valve - Ductile Iron, Sprinkler System, UL Listed, LD-3510

    LD-3510 - Butterfly Valve - Ductile Iron, Sprinkler System, UL Listed
    Butterfly Valve - Ductile Iron, Sprinkler System, UL Listed, LD-3510

    LD-3510 - Butterfly Valve - Ductile Iron, Sprinkler System, UL Listed
    Butterfly Valve - Ductile Iron, Sprinkler System, UL Listed, LD-3510

    LD-3510 - Butterfly Valve - Ductile Iron, Sprinkler System, UL Listed
    Butterfly Valve - Ductile Iron, Sprinkler System, UL Listed, LD-3510

    LD-3510 - Butterfly Valve - Ductile Iron, Sprinkler System, UL Listed
    UPC Code N/A 039923731555 N/A 039923731562 N/A 039923731579 N/A 039923731586 N/A 039923731593
    Type N/A Butterfly Valve
    Valve Size N/A 2 N/A 2 1/2 N/A 3 N/A 4 N/A 5
    Connection Type N/A L - Lug
    Material N/A Ductile Iron
    Stem Material N/A
    Valve Operator Material N/A
    Valve Operator N/A Gear Operator without Switches
    Description N/A LD35104 2 UL/FM BFV W/GO W/O SWITCH N/A LD35104 2-1/2 UL/FM BFV W/GO W/O SWITCH N/A LD35104 3 UL/FM BFV W/GO W/O SWITCH N/A LD35104 4 UL/FM BFV W/GO W/O SWITCH N/A LD35104 5 UL/FM BFV W/GO
    Turns/Operation N/A Quarter-Turn
    Weight N/A 22.598 lb N/A 24.864 lb N/A 25.349 lb N/A 31.090 lb N/A 37.025 lb