To maintain the temperature of liquids or gases between 5°C to 350°C ( for special models in stainless steel) up to 200 bar during routing from the heating system to the point of use, or for keeping them free from freezing. Application areas : foam bitumen, glue, oil, greases, wax, resin, paint, process gas, food products, molten metals.... Protection of certain liquids against freezing. Protection of certain gases against condensation. Link between fixed and mobile installations. Control of viscous product pouring capability.