Tecnidea manufacture a large range of chain & belt tensioners for industrial applications.      P.T. Parts distribute their full range of couplings which includes:
Chain Tensioners Industry standard tesioners units with sprockets to suit British standard chains.   Timing Belt Tensioners Industry standard tesioners units with Rollers to suit belt widths upp to 120mm wide.    Other tensioning products are also available.
Visit their website: www.tecnideacidue.com