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4" (101.6 mm) Threaded Check Valve NPT - UL Listed!

4" (101.6 mm) NPT Threaded Check Valve prevents backflow from water-based systems, including fire sprinkler and standpipe systems, with a spring-operated mechanism that closes the valve at low flows. UL-listed and made from heavy-duty brass.
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Part NumberMaterialInletOutlet
400TSCVBrass4" (101.6 mm) Male NPT4" (101.6 mm) Female NPT
Pressure Tested ToLengthApprovals / ListingsAvailability
300 PSI7 7/8" (200 mm)UL & ULC-listedUsually ships within 48 hours

Product Description

4" (101.6 mm) NPT-Threaded Check Valve provides a watertight defense against pollution caused by backflow from water-based systems, including sprinkler and standpipe systems. This UL-listed valve can be installed on a supply line, fire department connection (FDC), fire pump discharge, or gravity tank connection in accordance with NFPA code and local fire code.

This Threaded Check Valve has a 4" (101.6 mm) male NPT (MNPT) inlet and a 4" (101.6 mm) female NPT (FNPT) outlet. This in-line valve operates automatically when pressure drops or flows revers and features an o-ring seat and a spring-loaded clapper.

More Information
Valve Pipe Connection Type Threaded
Valve Size 4" (101.6 mm)
UL Listed UL-Listed
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