Additional InformationASME B16.18|CSA B51 CRN 0C14667.5|MSS SP-139|MSS SP-80|NSF/ANSI/CAN 372
Marketing InformationThe lead-free Apollo® Model 161S-LF (61YLF Series) swing check provides a reliable, long-lasting, "Made in the USA" alternative to globally sourced check valves for potable water service. These valves are cast, machined, assembled and tested in South Carolina using proven ASTM quality materials. The Apollo® swing check may be installed in either horizontal or vertical orientation with upward flow.