Anti-Corrosion Electric Diaphragm Dosing Pump for Corrosive Acid Alkali Reagent Corrosive reagents are hard on ordinary metering pumps. This Anti-Corrosion Electric Diaphragm Dosing Pump uses corrosion-resistant wetted parts and an IP65-sealed drive to meter acids, alkalis and aggressive chemical reagents reliably — up to 8 Bar, at ±0.2 % accuracy. Corrosion-Resistant Construction Wetted parts selected to resist strong acid and alkali attack Sealed drive housing keeps