NIBCO NLG801H LD-3510-8 4" Butterfly Valve, w/Gear Operator, w/Switch

NIBCO, NLG801H, LD-3510-8 4" Underwriters Laboratories & Factory Mutual Butterfly Valve, with Gear Operator, with Switch

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. Choose NIBCO® ductile iron butterfly valves for the most specified, versatile and economical valve option in commercial, mechanical and fire protection systems.

Features:

• Valve pressure rating 250 psi wwp
• Lug style
• EPDM molded-in seat liner
• Ductile iron disc
• Stainless steel stem with copper bushings
• Geometric drive
• Extended neck
• Operating mechanism: Manual gear operator
• UL/ULC Listed
• UL Listed for Indoor and Outdoor Service
• FM Approved
• Conforms to MSS SP-67, MSS SP-25
• 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