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

Connection Type

Valve Size

Description

Turns/Operation

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NLK670D N/A 039923767127 N/A G - Grooved N/A 2 N/A GD47650 2 GRV BFV BARE STEM DUCT IRON N/A Quarter-Turn
NLK670E N/A 039923767134 N/A G - Grooved N/A 2 1/2 N/A GD47650 21/2 GRV BFV BARE STEM DUCT IRON N/A Quarter-Turn
NLK670F N/A 039923767141 N/A G - Grooved N/A 3 N/A GD47650 3 GRV BFV BARE STEM DUCT IRON N/A Quarter-Turn
NLK670H N/A 039923767158 N/A G - Grooved N/A 4 N/A GD47650 4 GRV BFV BARE STEM DUCT IRON N/A Quarter-Turn
NLK670J N/A 039923767165 N/A G - Grooved N/A 5 N/A GD47650 5 GRV BFV BARE STEM DUCT IRON N/A Quarter-Turn
NLK670K N/A 039923767172 N/A G - Grooved N/A 6 N/A GD47650 6 GRV BFV BARE STEM DUCT IRON N/A Quarter-Turn
NLK670L N/A 039923767189 N/A G - Grooved N/A 8 N/A GD47650 8 GRV BFV BARE STEM DUCT IRON N/A Quarter-Turn
NLK670M N/A 039923767196 N/A G - Grooved N/A 10 N/A GD47650 10 GRV BFV BARE STEM DUCT IRON N/A Quarter-Turn
NLK680D N/A 039923767226 N/A Grooved N/A 2 N/A GD47653 2 GRV BFV L/LK HNDL DUCT IRON N/A Quarter-Turn
NLK680E N/A 039923767233 N/A Grooved N/A 2 1/2 N/A GD47653 21/2 GRV BFV L/LK HNDL D I N/A Quarter-Turn
NLK680F N/A 039923767240 N/A Grooved N/A 3 N/A GD47653 3 GRV BFV L/LK HNDL DUCT IRON N/A Quarter-Turn
NLK680H N/A 039923767257 N/A Grooved N/A 4 N/A GD47653 4 GRV BFV L/LK HNDL DUCT IRON N/A Quarter-Turn
NLK680J N/A 039923767264 N/A Grooved N/A 5 N/A GD47653 5 GRV BFV L/LK HNDL DUCT IRON N/A Quarter-Turn
NLK680K N/A 039923767271 N/A Grooved N/A 6 N/A GD47653 6 GRV BFV L/LK HNDL DUCT IRON N/A Quarter-Turn
NLK686F N/A 039923767318 N/A G - Grooved N/A 76 N/A GD47653 76MM DN65 GRV BFV L/LK HNDL DI N/A Quarter-Turn
NLK690D N/A 039923767325 N/A G - Grooved N/A 2 N/A GD47655 2 GRV BFV GEAR OP DUCT IRON N/A Quarter-Turn
NLK690E N/A 039923767332 N/A G - Grooved N/A 2 1/2 N/A GD47655 21/2 GRV BFV GEAR OP DUCT IRON N/A Quarter-Turn
NLK690F N/A 039923767349 N/A G - Grooved N/A 3 N/A GD47655 3 GRV BFV GEAR OP DUCT IRON N/A Quarter-Turn
NLK690H N/A 039923767356 N/A G - Grooved N/A 4 N/A GD47655 4 GRV BFV GEAR OP DUCT IRON N/A Quarter-Turn
NLK690J N/A 039923767363 N/A G - Grooved N/A 5 N/A GD47655 5 GRV BFV GEAR OP DUCT IRON N/A Quarter-Turn
NLK690K N/A 039923767370 N/A Grooved N/A 6 N/A GD47655 6 GRV BFV GEAR OP DUCT IRON N/A Quarter-Turn
NLK690L N/A 039923767387 N/A Grooved N/A 8 N/A GD47655 8 GRV BFV GEAR OP DUCT IRON N/A Quarter-Turn
NLK690M N/A 039923767394 N/A Grooved N/A 10 N/A GD47655 10 GRV BFV GEAR OP DUCT IRON N/A Quarter-Turn
NLK676F N/A 039923780805 N/A G - Grooved N/A 76 N/A GD47650 76MMV BFV BARE STEM DUCT IRON N/A Quarter-Turn
NLK676K N/A 039923780812 N/A G - Grooved N/A 165 N/A GD47650 165MM GRV BFV BARE STEM DI N/A Quarter-Turn
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