The NIBCO® ductile iron butterfly control valve is designed specifically to meet the rigorous requirements of higher pressure automatic sprinkler systems. The EPDM seat 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® 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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NLK957E N/A 039923373762 N/A 2 1/2 N/A G - Grooved N/A GD68658NGP 21/2 GRV UL 350 BFV W/GP N/A Quarter-Turn
NLK957F N/A 039923373779 N/A 3 N/A G - Grooved N/A GD68658NGP 3 GRV UL 350 BFV W/GP N/A Quarter-Turn
NLK957H N/A 039923373786 N/A 4 N/A G - Grooved N/A GD68658NGP 4 GRV UL 350 BFV W/GP N/A Quarter-Turn
NLK957K N/A 039923373809 N/A 6 N/A G - Grooved N/A GD68658NGP 6 GRV UL 350 BFV W/GP N/A Quarter-Turn
NLK957L N/A 039923373816 N/A 8 N/A G - Grooved N/A GD68658NGP 8 GRV UL 350 BFV W/GP N/A Quarter-Turn
NLK967E N/A 039923373700 N/A 2 1/2 N/A G - Grooved N/A GD68658NWP 21/2 GRV UL 350 BFV W/WP N/A Quarter-Turn
NLK967F N/A 039923373717 N/A 3 N/A G - Grooved N/A GD68658NWP 3 GRV UL 350 BFV W/WP N/A Quarter-Turn
NLK967H N/A 039923373724 N/A 4 N/A G - Grooved N/A GD68658NWP 4 GRV UL 350 BFV W/WP N/A Quarter-Turn
NLK967K N/A 039923373748 N/A 6 N/A G - Grooved N/A GD68658NWP 6 GRV UL 350 BFV W/WP N/A Quarter-Turn
NLK967L N/A 039923373755 N/A 8 N/A G - Grooved N/A GD68658NWP 8 GRV UL 350 BFV W/WP N/A Quarter-Turn
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