These devices collect and filter the dust emitted by a truck or a railcar just directly above the hopper. The modular construction allows you to combine multiple elements in order to guarantee a homogeneous dust collection along the entire length of the hopper.
PTM is specialized in filters for receiving hoppers sale. Each filter is equipped with an electronic control unit for the automatic sleeve cleaning, by cyclic blowing of counter-current compressed air.
FTM filters guarantee excellent performances and a very easy maintenance. Moreover, they can be provided with a declaration of conformity according to Directive 2006/46/EC and ATEX Directive 94/9/EC for installations in Zone 22