Pneumatic insulated ball valves have good insulation and cooling characteristics, and the valve diameter is consistent with the pipe diameter, while effectively reducing the heat loss of the medium in the pipeline. Mainly used in various systems such as petroleum, chemical, metallurgical, pharmaceutical, and food, to transport high viscosity media that will solidify at room temperature. Due to its integral structure, insulated ball valves are smaller, lighter in weight, leak free, and have good sealing performance compared to ordinary ball valves. The jacket is made of carbon steel pipes welded for greater pressure resistance and firmness than cast ones.