Check valves prevent backflow by automatically closing when fluid reverses direction. Wafer 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 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

NHDZ0XE N/A 039923326669 N/A 2 1/2 N/A F -- Flanged N/A F910W-LF 2 1/2 FLG SILENT CK CAST IRON N/A Non-Manual
NHDZ0XF N/A 039923326676 N/A 3 N/A F -- Flanged N/A F910W-LF 3 FLG SILENT CK CAST IRON N/A Non-Manual
NHDZ0XH N/A 039923326690 N/A 4 N/A F -- Flanged N/A F910W-LF 4 FLG SILENT CK CAST IRON N/A Non-Manual
NHDZ0XJ N/A 039923382030 N/A 5 N/A F -- Flanged N/A F910W-LF 5 FLG SILENT CK CAST IRON N/A Non-Manual
NHDZ0XK N/A 039923326706 N/A 6 N/A F -- Flanged N/A F910W-LF 6 FLG SILENT CK CAST IRON N/A Non-Manual
NHDZ0XL N/A 039923326713 N/A 8 N/A F -- Flanged N/A F910W-LF 8 FLG SILENT CK CAST IRON N/A Non-Manual
NHDZ0XM N/A 039923326737 N/A 10 N/A F -- Flanged N/A F910W-LF 10 FLG SILENT CK CAST IRON N/A Non-Manual
NHDZ0XN N/A 039923384379 N/A 12 N/A F -- Flanged N/A F910W-LF 12 FLG SILENT CK CAST IRON N/A Non-Manual
NHDZ0XT N/A 039923384386 N/A 14 N/A F -- Flanged N/A F910W-LF 14 FLG SILENT CK CAST IRON N/A Non-Manual
NHDZ0XU N/A 039923384393 N/A 16 N/A F -- Flanged N/A F910W-LF 16 FLG SILENT CK CAST IRON N/A Non-Manual
NHDZOXV N/A 039923391537 N/A 18 N/A F -- Flanged N/A F910W-LF 18 FLG SILENT CK CAST IRON N/A Non-Manual
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