In the production process of MDI (diphenylmethane diisocyanate), the basic reagent for the production of polyurethane, the main need consists in separating any agglomerates or foreign particles inside the fluid, which can cause imperfections or damage to products and machines.

For the filtration and homogenization of low and high-viscosity fluids and pastes, Filtration Group automatic metal-edge filters offer anextensive range of applications.
The compact inline filter systems can be equipped with automatic cleaning. The system is cleaned by rotating the cartridge against a spring actuated scraper. The AF93 S version is with integrated preseparator.