PU round belts are available in diameters from 2 to 20 mm.
As standard, these belts come on rolls of 30, 50 or 100 m. The big advantage is that they are available in whatever length is desired. They can then be cut —or sometimes even welded—to the required length with relative ease.
Polyurethane round belts are often used in the internal transport of goods, for example to move a semi-finished product or a finished product to a different location within the production process.
Round belts have a smooth, matt or rough surface structure and are available in numerous different models. The specific belt choice depends above all on the product to be transported, the desired tensile strength and the ambient conditions. Accordingly, belts can be supplied with different degrees of hardness (specified in shore units, Sh A) and with different friction coefficients.
Belts are also available with a tension cord, mostly made from aramid or polyester. Such belts have higher tensile strength and are less prone to elongation.
These belts can be welded together quite easily with the appropriate tools such as cutting pliers, a welding clamp and welding tongs. Hollow round belts are also available. Their ends are fastened together using connectors, rather than being welded.
Should a large power surge occur, there is a danger that the belt will slacken. In such cases, a plastic support profile can be used, and if necessary, strengthened by a steel or stainless steel profile. You can find all of these tools and aids in the "Tools and accessories" category, in the "Weldable belts" product group.
Round belts can be found wherever internal transport is required, e.g. in the food and pharmaceutical industries, the (petro)chemical industry, mechanical engineering, and in agriculture, forestry and fisheries.
From a hygiene point of view, it is particularly important in the food and pharmaceutical industries that the products used meet FDA guidelines.
In these industries the European regulation EC1935/2004 is also of importance.
