Manual Two-Way Ball Valve, Body Material Carbon Steel, For Media Air, Steam, Valve Construction Three-Piece, Nominal Valve Size 1/2 in, Valve Body Style Straight, 3-A Standard Compliance Not Rated, Average Surface Roughness (Ra) Not Applicable, Maximum Pressure - Operating 1,480 psi, Maximum Pressure - Steam 250 psi, Maximum Pressure - Combustible Gas Not Rated, Vacuum Service Rating 29 in Hg, Ball Material 316 Stainless Steel, Ball Port Style Full Port, Handle - Locking Locking