Noble Procetech Engineers One Of The Leading Manufacturers and Supplier Of Citric Acid Dosing Pump in Hyderabad. A Citric Acid Dosing Pump is a specialized pump designed for precise dosing of citric acid solutions in industrial and commercial applications. Citric acid is less corrosive than mineral acids, but dosing pumps still require certain design elements to handle the acid safely and prevent wear on the pump's components over time.