316 Stainless Steel, YJ15DBB Series Double Block and Bleed Ball Valve, Inlet & Oulet: 9/16 in. 20M Series Medium Pressure Cone and Thread Fitting, Vent: 1/4 in. 20M Series Medium Pressure Cone and Thread Fitting, Fluorocarbon FKM O-ring, 15,000 psig (1034 bar), 0°F to 400°F (-17.8°C to 204°C), 0.33 in. Orifice