The Apollo Model 168T (61Y-75x Series) Swing Check provides a cost effective ''''Made in the USA'''' alternative to globally sourced check valves. These valves are cast, machined, assembled, and tested in South Carolina. Apollo swing checks are ideal for steam and liquid service and can reliably be installed in most plumbing and heating systems including building service piping and OEM applications. Apollo swing checks can be installed in either horizontal or vertical lines with upward flow.Renewable Bronze Seat DiscNPT ConnectionOptimum Flow CapacityDezincification Resistant Bronze ConstructionOptimum Flow CapacityFactory Tested to MSS SP-80100 Percent Cast, Machined and Assembled in the USARRA Compliant