Ball valves are quarter-turn, straight through flow valves that have a round closure element with matching rounded seats that permit uniform sealing stress. Ball valves are used in situations where tight shut-off is required. The type of seat can vary with the valve pressure rating and materials of construction.
Excess Flow Valves Specifications: Pressure rating : up to 6000 psig (413bar), Temperature rating : up to 3560F (1800C), Port size : 18 to 34 pipe thread end connection, Body material : available in 316 stainless steel.