AMERICAN VALVE Check Valve Brass 1-in Fnpt In-line Check Valve

1.6 PSI cracking pressure. For pump and compressor discharge cooling towers, HVAC systems, pressure pumps, sump pumps, condensate line, boilers and other applications to prevent backflow. Install a minimum of 5 X pipe diameter down stream of any fitting that can cause turbulence. Spring actuated. Resilient seal. Threaded ends.