The NIBCO® check valve features a screw-in bonnet for accessibility to repair or replace parts. Swing check valves 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® valves for the most specified, versatile and economical valve option in commercial and residential applications. NIBCO® valves are backed by the NIBCO INC. 5-year 125% limited warranty.
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Material Number

Valve Size

Description

UPC Code

NL740X4 N/A 1/4 in N/A T413Y-LF 1/4 THD 200 CWP CHK PTFE DISC N/A 039923374615
NL740X5 N/A 3/8 in N/A T413Y-LF 3/8 THD 200 CWP CHK PTFE DISC N/A 039923374639
NL740X6 N/A 1/2 in N/A T413Y-LF 1/2 THD 200 CWP CHK PTFE DISC N/A 039923309990
NL740X8 N/A 3/4 in N/A T413Y-LF 3/4 THD 200 CWP CHK PTFE DISC N/A 039923310002
NL740XA N/A 1 in N/A T413Y-LF 1 THD 200 CWP CHECK PTFE DISC N/A 039923310019
NL740XB N/A 1 1/4 in N/A T413Y-LF 11/4 THD 200 CWP CHK PTFE DISC N/A 039923310026
NL740XC N/A 1 1/2 in N/A T413Y-LF 11/2 THD 200 CWP CHK PTFE DISC N/A 039923310033
NL740XD N/A 2 in N/A T413Y-LF 2 THD 200 CWP CHECK PTFE DISC N/A 039923310040
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