booster pump ro manufactur in rajkot An RO booster pump is a motorized device designed to increase the water pressure entering a reverse osmosis (RO) system to its optimal operating range, typically 60 to 80 PSI. These pumps are essential in areas with low municipal water pressure (below 40–50 PSI) or for water with high Total Dissolved Solids (TDS) levels exceeding 500 ppm