Apollo® 2-Piece Straight Ball Valve, 77C-A Series, 1/2 in Nominal, Solder Connection, Full Port, 600 psi, 2.47 in Inlet to Outlet Length, 1.79 in Top to Inlet Center, 1/2 in Opening, Lever Operator, 16 Cv Flow Coefficient (Cv), Material Standard: ASTM B584-C84400, ASTM B16, Bronze Body, RPTFE Seat, Brass Stem, RPTFE Seal, Brass/RPTFE Trim, RPTFE Packing, Steel/Vinyl Handle, Brass Ball, RPTFE Softgoods, Yellow, Finish: Bronze, 450 deg F, Domestic/Import: Domestic, Additional Information: 29 in-Hg Vacuum Service