Forged Brass 600 WOG / 150 WSP Full Port Threaded Ball Valve, CSA/UL/FM - Series 8170. UL Listed. FM Approved. CSA Approved (z21.15a for 1/2 psig & 3_88 for 5 psig). ANSI/ASE B16.33 (Gas Piping to 125 psig). Meets Fed Spec WW_V_35, Type II, Class A, Style 3. confomrs to MSS_SP110. Certified to NSF/ANSI 61_8