The check valve is wafer style to fit between standard flanges. The twin disc check valve includes renewable bronze discs. 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

N/A 039923327598 N/A 2 1/2 N/A W -- Wafer N/A KW900W-LF 21/2 WAFER UL/FM DBL DISC CK N/A Non-Manual
N/A 039923327604 N/A 3 N/A W -- Wafer N/A KW900W-LF 3 WAFER UL/FM DBL DISC CK N/A Non-Manual
N/A 039923327611 N/A 4 N/A W -- Wafer N/A KW900W-LF 4 WAFER UL/FM DBL DISC CK N/A Non-Manual
N/A 039923327628 N/A 5 N/A W -- Wafer N/A KW900W-LF 5 WAFER UL/FM DBL DISC CK N/A Non-Manual
N/A 039923327635 N/A 6 N/A W -- Wafer N/A KW900W-LF 6 WAFER UL/FM DBL DISC CK N/A Non-Manual
N/A 039923327642 N/A 8 N/A W -- Wafer N/A KW900W-LF 8 WAFER UL/FM DBL DISC CK N/A Non-Manual
N/A 039923327659 N/A 10 N/A W -- Wafer N/A KW900W-LF 10 WAFER UL/FM DBL DISC CK N/A Non-Manual
N/A 039923327666 N/A 12 N/A W -- Wafer N/A KW900W-LF 12 WAFER UL/FM DBL DISC CK N/A Non-Manual
N/A 039923327673 N/A 14 N/A W -- Wafer N/A KW900W-LF 14 WAFER FM DBL DISC CK N/A Non-Manual
N/A 039923702371 N/A 16 N/A W -- Wafer N/A KW900W-LF 16 WAFER FM DBL DISC CK N/A Non-Manual
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