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® 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

NL74004 N/A 039923634733 N/A 1/4 N/A T -- Female NPT Thread (FIPT) N/A T413Y 1/4 THD 125# CHECK PTFE DISC N/A Non-Manual
NL74005 N/A 039923634740 N/A 3/8 N/A T -- Female NPT Thread (FIPT) N/A T413Y 3/8 THD 125# CHECK PTFE DISC N/A Non-Manual
NL74006 N/A 039923634757 N/A 1/2 N/A T -- Female NPT Thread (FIPT) N/A T413Y 1/2 THD 125# CHECK PTFE DISC N/A Non-Manual
NL74008 N/A 039923634764 N/A 3/4 N/A T -- Female NPT Thread (FIPT) N/A T413Y 3/4 THD 125# CHECK PTFE DISC N/A Non-Manual
NL7400A N/A 039923634771 N/A 1 N/A T -- Female NPT Thread (FIPT) N/A T413Y 1 THD 125# CHECK PTFE DISC N/A Non-Manual
NL7400B N/A 039923634788 N/A 1 1/4 N/A T -- Female NPT Thread (FIPT) N/A T413Y 1 1/4 THD 125# CHECK PTFE DISC N/A Non-Manual
NL7400C N/A 039923634795 N/A 1 1/2 N/A T -- Female NPT Thread (FIPT) N/A T413Y 1 1/2 THD 125# CHECK PTFE DISC N/A Non-Manual
NL7400D N/A 039923634801 N/A 2 N/A T -- Female NPT Thread (FIPT) N/A T413Y 2 THD 125# CHECK PTFE DISC N/A Non-Manual
NL74024 N/A 039923635051 N/A 1/4 N/A T -- Female NPT Thread (FIPT) N/A T413YX 1/4 CHECK CLEANED FOR OXYGEN N/A Non-Manual
NL74025 N/A 039923635068 N/A 3/8 N/A T -- Female NPT Thread (FIPT) N/A T413YX 3/8 CHECK CLEANED FOR OXYGEN N/A Non-Manual
NL74026 N/A 039923635075 N/A 1/2 N/A T -- Female NPT Thread (FIPT) N/A T413YX 1/2 CHECK CLEANED FOR OXYGEN N/A Non-Manual
NL74028 N/A 039923635082 N/A 3/4 N/A T -- Female NPT Thread (FIPT) N/A T413YX 3/4 CHECK CLEANED FOR OXYGEN N/A Non-Manual
NL7402A N/A 039923635099 N/A 1 N/A T -- Female NPT Thread (FIPT) N/A T413YX 1 CHECK CLEANED FOR OXYGEN N/A Non-Manual
NL7402B N/A 039923635105 N/A 1 1/4 N/A T -- Female NPT Thread (FIPT) N/A T413YX 1 1/4 CHECK CLEANED FOR OXYGEN N/A Non-Manual
NL7402C N/A 039923635112 N/A 1 1/2 N/A T -- Female NPT Thread (FIPT) N/A T413YX 1 1/2 CHECK CLEANED FOR OXYGEN N/A Non-Manual
NL7402D N/A 039923635129 N/A 2 N/A T -- Female NPT Thread (FIPT) N/A T413YX 2 CHECK CLEANED FOR OXYGEN N/A Non-Manual
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