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The NIBCO® cast iron check valve features flanged end connections for easy installation. It is equipped with a bolted bonnet for maintenance accessibility. Swing checks may be installed in horizontal positions (or vertical with flow moving up). Please refer to NIBCO technical data sheets, chemical resistance guides and catalogs for engineering and installation information. Choose NIBCO® check valves for the most specified, versatile and economical valve option in commercial, mechanical and industrial applications. NIBCO® check valves 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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N/A 039923703491 N/A 10 N/A F -- Flanged N/A F918B 10 FLG CHECK CAST IRON N/A Non-Manual
N/A 039923703668 N/A 10 N/A F -- Flanged N/A F918BGG 10 CK W/GRAPHITE GSK CI N/A Non-Manual
N/A 039923703767 N/A 10 N/A F -- Flanged N/A F918BLS 10 W/LEV & SPRING CI N/A Non-Manual
N/A 039923704061 N/A 10 N/A F -- Flanged N/A F918BLSSSP 10 W/L&S SS SPINDLE CI N/A Non-Manual
N/A 039923703866 N/A 10 N/A F -- Flanged N/A F918BLW 10 W/LEVER & WEIGT CI N/A Non-Manual
N/A 039923703507 N/A 12 N/A F -- Flanged N/A F918B 12 FLGD CHECK CAST IRON N/A Non-Manual
N/A 039923703675 N/A 12 N/A F -- Flanged N/A F918BGG 12 CK W/GRAPHITE GSK CI N/A Non-Manual
N/A 039923703774 N/A 12 N/A F -- Flanged N/A F918BLS 12 W/ LEV & SPRING CI N/A Non-Manual
N/A 039923704078 N/A 12 N/A F -- Flanged N/A F918BLSSSP 12 W/L&S SS SPINDLE CI N/A Non-Manual
N/A 039923703873 N/A 12 N/A F -- Flanged N/A F918BLW 12 W/LEVER & WEIGHT CI N/A Non-Manual
N/A 039923703422 N/A 2 N/A F -- Flanged N/A F918B 2 FLGD CHECK CAST IRON N/A Non-Manual
N/A 039923703590 N/A 2 N/A F -- Flanged N/A F918BGG 2 CK W/GRAPHITE GSK CI N/A Non-Manual
N/A 039923703439 N/A 2 1/2 N/A F -- Flanged N/A F918B 2 1/2 FLGD CHECK CAST IRON N/A Non-Manual
N/A 039923703606 N/A 2 1/2 N/A F -- Flanged N/A F918BGG 2 1/2 CK W/GRAPHITE GSK CI N/A Non-Manual
N/A 039923703705 N/A 2 1/2 N/A F -- Flanged N/A F918BLS 2 1/2 W/LEV & SPRING CI N/A Non-Manual
N/A 039923704009 N/A 2 1/2 N/A F -- Flanged N/A F918BLSSSP 2 1/2 W/L&S SS SPINDLE CI N/A Non-Manual
N/A 039923703804 N/A 2 1/2 N/A F -- Flanged N/A F918BLW 2 1/2 W/LEVER & WEIGHT CI N/A Non-Manual
N/A 039923704108 N/A 2 1/2 N/A F -- Flanged N/A F918BLWSSP 2 1/2 W/SS SPINDLE CI N/A Non-Manual
N/A 039923703446 N/A 3 N/A F -- Flanged N/A F918B 3 FLGD CHECK CAST IRON N/A Non-Manual
N/A 039923703613 N/A 3 N/A F -- Flanged N/A F918BGG 3 CK W/GRAPHITE GSK CI N/A Non-Manual
N/A 039923703712 N/A 3 N/A F -- Flanged N/A F918BLS 3 W/LEV & SPRING CI N/A Non-Manual
N/A 039923704016 N/A 3 N/A F -- Flanged N/A F918BLSSSP 3 W/L&S SS SPINDLE CI N/A Non-Manual
N/A 039923703811 N/A 3 N/A F -- Flanged N/A F918BLW 3 W/LEVER & WEIGHT CI N/A Non-Manual
N/A N/A 3 N/A F -- Flanged N/A F918BLW 3 W/LEV & WT W/NO BOLT HOLES N/A Non-Manual
N/A 039923704214 N/A 3 N/A F -- Flanged N/A F918BLWZ 3 W/LEV & W/BY-PASS CI N/A Non-Manual
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