Everflow Supplies 610C012-NL Lead Free Full Port Sweat Ball Valve, 1/2-Inch Everflow part Number 610C012-NL Premium lead free full port ball valve Forged Brass construct for 150 psi steam and 600 psi wog 1/2 inch solder cups for use with Copper pipes Fully approved by csa, UL/fm and upc, meeting NSF 61 - g Approved By UL, FM, CSA, UPC Working Pressure 600 WOG, 150 WSP Brass Body Constructed