Manual Two-Way Ball Valve, Body Material 316 Stainless Steel, For Media Combustible Gases, Corrosive Chemicals, Natural Gas, Steam, Water, Valve Construction Two-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 2,000 psi, Maximum Pressure - Steam 250 psi, Maximum Pressure - Combustible Gas Not Rated, Vacuum Service Rating 29.92 in Hg, Ball Material 316 Stainless Steel