The membrane pumps series MBU are horizontal one or twoacting one-piston pumps with hydraulic handled membrane and hydraulic handled regulating valve. In basic construction and material execution they are designed to pump abrasive no-aggressive liquids with max. temperature 50°C, with maximum grain sized 5 mm, maximum nominal weight 1900 kg/m^3 (e.g.ceramic mass well liquid, city and industrial neutralized waste waters and similar ones). The pump using for specific liquid we recommend to consult with manufacturer. The pumps are suitable for liquids delivering and also for sludge-presses filling.