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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 |
|---|---|---|---|---|---|
| NLK675D | N/A | N/A Grooved | N/A 2 | N/A GD47651 2 GRV BFV OLD STY TOP WKS D I | N/A Quarter-Turn |
| NLK675E | N/A | N/A Grooved | N/A 2 1/2 | N/A GD47651 21/2 GRV BFV OLD STY TOP WKS D I | N/A Quarter-Turn |
| NLK675F | N/A | N/A Grooved | N/A 3 | N/A GD47651 3 GRV BFV OLD STY TOP WORKS D I | N/A Quarter-Turn |
| NLK675H | N/A | N/A Grooved | N/A 4 | N/A GD47651 4 GRV BFV OLD STY TOP WORKS D I | N/A Quarter-Turn |
| NLK675J | N/A | N/A Grooved | N/A 5 | N/A GD47651 5 GRV BFV OLD STY TOP WORKS D I | N/A Quarter-Turn |
| NLK675K | N/A | N/A Grooved | N/A 6 | N/A GD47651 6 GRV BFV OLD STY TOP WORKS D I | N/A Quarter-Turn |
| NLK675L | N/A | N/A Grooved | N/A 8 | N/A GD47651 8 GRV BFV OLD STY TOP WORKS D I | N/A Quarter-Turn |
| NLK680L | N/A | N/A Grooved | N/A 8 | N/A GD47653 8 GRV BFV L/LK HNDL DUCT IRON | N/A Quarter-Turn |
| NLK696K | N/A 039923780898 | N/A G - Grooved | N/A 165 | N/A GD47655 165MM GRV BFV GEAR OP 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 |
| NLK686K | N/A 039923780836 | N/A G - Grooved | N/A 165 | N/A GD47653 165MM GRV BFV L/LK HNDL DUCT IRN | N/A Quarter-Turn |
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