Everflow 210T001-NL 1-Inch Lead Free Brass Swing Check Valve with Female NPT Threaded， 200 PSI WOG &amp; 125 PSI SWP， Brass Construction， Higher Corrosion Resistance Economical， Durable &amp; Easy to Install<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Cast Brass Swing Check Valve With 1 Inch Lead Free</li><li>Constructed Of Brass For Strength And Durability</li><li>Maximum pressure of 200 psi wog and 125 psi swp; Approved By UPC， NSF</li><li>Features Metal-To-Metal Seal， Either Threaded Npt Or Solder End Connections Brass Body</li><li>Brass Swing Check Valves are Used to Prevent Reverse Fluid Flow in Water and Steam Applications</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41X4eU5zDTL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41ia177O-3L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41EiSMxGTRL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41C22wQO--L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41X4eU5zDTL.jpg" noproxy>