Everflow Supplies 610T004-NL Lead Free Full Port IPS Threaded Ball Valve, 4-Inch Everflow part Number 610T004-NL Premium lead free full port ball valve Forged Brass construct for 150 psi steam and 600 psi wog 4 inch female threaded connections for use with ips pipes Fully approved by csa, UL/fm and upc, meeting NSF 61 - g Approved By UL, FM, CSA, UPC Working Pressure 400 WOG, 150 WSP Brass Body Constructed