ConviTec supplies vibratory equipment mainly for Foundries and the steel industry. A wide range of machines and systems are designed for different applications. Especially for the cooling of castings and sand improved systems have been developed. For the cooling of used sand ConviTec deliver a fluidised bed system with good mixing and homogenisation, water addition over a large surface, regular water distribution, no wearing parts, and low power consumption. More advantages are for example 7,5kW for 60 t/h and equal sand moisture at the end effected by the new control system with moisture sensor.