Double-acting pump with single piston POMPA S75-S, especially suitable for pumping residual water from industrial processes or sediment liquids under pressure. Features of operation: ● Supply to filter press of industrial wastewater for purification from sludge residues. ● Supply of sediment for filtration in winemaking. ● For any type of filtration under pressure Motor: M100, 4 poles, Hp4 220/380 V, 50 Hz. Gearbox: acid-resistant aluminum housing with cast iron gears. External belt gearbox, from 1400 rpm of the drive pulley (Ø96) to 720 rpm of the driven pulley (Ø190), with flexible coupling. Pump part: pump body made of AISI 316 stainless steel, cylinder and piston rods made of chrome-plated AISI 304 stainless steel, ball valves and valve seats made of AISI 316 stainless steel, piston, seals and gaskets made of material resistant to abrasive wear and chemical corrosion.