Prevent backflow contamination with this 1-1/4 in. (31.75 mm) Swing Check Valve NPT. Ready for use in fire sprinkler, standpipe, and water-based systems, the full-floating clapper assembly features a swinging brass disk and water-ready rubber that form a watertight seal when flows reverse.
1-1/4 in. (31.75 mm) Swing Check Valve serves as a backflow preventer in commercial, industrial, and large residential buildings where potential pollution of potable water exists.
1-1/4 in. (31.75 mm) Swing Check Valve is made from an industrial-strength brass alloy designed to resist corrosion and withstand impact. Operates at 200 Water Oil Gas (WOG) working pressure; 175 PSI working pressure. Not recommended for pulsating or vibrating service.
National Pipe Threads (NPT) threads, used in fire protection systems throughout the United States, make installing a 1-1/4 in. (31.75 mm) Swing Check Valve easy.
Lead-free components and other threads available by special order.