The Jackets assure consistent valve Heating or Cooling of the process media to prevent crystallization or seizing of flow media. The Jacketed Ball Valve (Heating Jacket Ball Valve) with very well design to help the high temperature steam or oil flow over the valve ball & body parts to keep the media liquid. This applies especially to media like bitumen, asphalt, chocolate, liquid sulfur, Lactum & Soap application. In addition, the efficient flow of media is ensured through the elimination of pockets.