The NIBCO® ductile iron butterfly valve provides ease of operation with quarter-turn (90 degrees) open to close. The valve features an EPDM encapsulated ductile iron disc. The internal stem/disc splined drive design eliminates the 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 industrial applications. NIBCO® butterfly valves are backed by the NIBCO 5-year 125% limited warranty.
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Material Number

UPC Code

Item Name

Valve Size

Description

Operation Type

NLK681D N/A 039923309341 N/A GD-4765N Butterfly Valve - Ductile Iron, Grooved, NSF Certified N/A 2 in N/A GD4765N3 2 NSF GRV BFV L/LK HNDL DI N/A Lever-Lock Handle
NLK681E N/A 039923309358 N/A GD-4765N Butterfly Valve - Ductile Iron, Grooved, NSF Certified N/A 2 1/2 in N/A GD4765N3 21/2 NSF GRV BFV L/LK HNDL DI N/A Lever-Lock Handle
NLK681F N/A 039923309365 N/A GD-4765N Butterfly Valve - Ductile Iron, Grooved, NSF Certified N/A 3 in N/A GD4765N3 3 NSF GRV BFV L/LK HNDL DI N/A Lever-Lock Handle
NLK681H N/A 039923309389 N/A GD-4765N Butterfly Valve - Ductile Iron, Grooved, NSF Certified N/A 4 in N/A GD4765N3 4 NSF GRV BFV L/LK HNDL DI N/A Lever-Lock Handle
NLK681J N/A 039923309396 N/A GD-4765N Butterfly Valve - Ductile Iron, Grooved, NSF Certified N/A 5 in N/A GD4765N3 5 NSF GRV BFV L/LK HNDL DI N/A Lever-Lock Handle
NLK681K N/A 039923309402 N/A GD-4765N Butterfly Valve - Ductile Iron, Grooved, NSF Certified N/A 6 in N/A GD4765N3 6 NSF GRV BFV L/LK HNDL DI N/A Lever-Lock Handle
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