The NIBCO® ductile iron butterfly valve is designed specifically to meet the rigorous requirements of automatic sprinkler systems. The EPDM encapsulated ductile iron disc provides bubble-tight shutoff at rated pressure. With the internal splined stem/disc 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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Material Number

UPC Code

Valve Size

Connection Type

Description

Turns/Operation

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NLK662M N/A 039923360144 N/A 10 N/A G - Grooved N/A GD48658N 10 GRV UL/FM BFV W/2 SWITCH D I N/A Quarter-Turn
NLK662E N/A 039923360045 N/A 2 1/2 N/A G - Grooved N/A GD48658N 21/2 GRV UL/FM BFV W/SW D I N/A Quarter-Turn
NLK652E N/A 039923359988 N/A 2 1/2 N/A G - Grooved N/A GD48654N 21/2 GRV UL/FM BFV W/O SWITCH N/A Quarter-Turn
NLK857E N/A 039923373472 N/A 2 1/2 N/A G - Grooved N/A GD48658NGP 21/2 GRV UL 300 BFV W/GP N/A Quarter-Turn
NLK864E N/A 039923373298 N/A 2 1/2 N/A G - Grooved N/A GD48654NWP 21/2 GRV UL 300 BFV W/WP N/A Quarter-Turn
NLK865E N/A 039923373359 N/A 2 1/2 N/A G - Grooved N/A GD48654NGP 21/2 GRV UL 300 BFV W/GP N/A Quarter-Turn
NLK867E N/A 039923373410 N/A 2 1/2 N/A G - Grooved N/A GD48658NWP 21/2 GRV UL 300 BFV W/WP N/A Quarter-Turn
NLK867F N/A 039923373427 N/A 3 N/A G - Grooved N/A GD48658NWP 3 GRV UL 300 BFV W/WP N/A Quarter-Turn
NLK865F N/A 039923373366 N/A 3 N/A G - Grooved N/A GD48654NGP 3 GRV UL 300 BFV W/GP N/A Quarter-Turn
NLK864F N/A 039923373304 N/A 3 N/A G - Grooved N/A GD48654NWP 3 GRV UL 300 BFV W/WP N/A Quarter-Turn
NLK857F N/A 039923373489 N/A 3 N/A G - Grooved N/A GD48658NGP 3 GRV UL 300 BFV W/GP N/A Quarter-Turn
NLK652F N/A 039923359995 N/A 3 N/A G - Grooved N/A GD48654N 3 GRV UL/FM BFV W/O SWITCH D I N/A Quarter-Turn
NLK662F N/A 039923360052 N/A 3 N/A G - Grooved N/A GD48658N 3 GRV UL/FM BFV W/SW DUCT IRON N/A Quarter-Turn
NLK662H N/A 039923360069 N/A 4 N/A G - Grooved N/A GD48658N 4 GRV UL/FM BFV W/SW DUCT IRON N/A Quarter-Turn
NLK652H N/A 039923360007 N/A 4 N/A G - Grooved N/A GD48654N 4 GRV UL/FM BFV W/O SWITCH D I N/A Quarter-Turn
NLK857H N/A 039923373496 N/A 4 N/A G - Grooved N/A GD48658NGP 4 GRV UL 300 BFV W/GP N/A Quarter-Turn
NLK864H N/A 039923373311 N/A 4 N/A G - Grooved N/A GD48654NWP 4 GRV UL 300 BFV W/WP N/A Quarter-Turn
NLK865H N/A 039923373373 N/A 4 N/A G - Grooved N/A GD48654NGP 4 GRV UL 300 BFV W/GP N/A Quarter-Turn
NLK867H N/A 039923373434 N/A 4 N/A G - Grooved N/A GD48658NWP 4 GRV UL 300 BFV W/WP N/A Quarter-Turn
NLK867K N/A 039923373458 N/A 6 N/A G - Grooved N/A GD48658NWP 6 GRV UL 300 BFV W/WP N/A Quarter-Turn
NLK865K N/A 039923373397 N/A 6 N/A G - Grooved N/A GD48654NGP 6 GRV UL 300 BFV W/GP N/A Quarter-Turn
NLK864K N/A 039923373335 N/A 6 N/A G - Grooved N/A GD48654NWP 6 GRV UL 300 BFV W/WP N/A Quarter-Turn
NLK857K N/A 039923373519 N/A 6 N/A G - Grooved N/A GD48658NGP 6 GRV UL 300 BFV W/GP N/A Quarter-Turn
NLK652K N/A 039923360021 N/A 6 N/A G - Grooved N/A GD48654N 6 GRV UL/FM BFV W/O SWITCH D I N/A Quarter-Turn
NLK662K N/A 039923360083 N/A 6 N/A G - Grooved N/A GD48658N 6 GRV UL/FM BFV W/SWITCH D I N/A Quarter-Turn
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