Type NP standardized chemical pumps are the solution of choice whenever it comes to pumping acids, alkalis or chemically contaminated fl uids in the presence or absence of solids. Typical applications include the chemical and metal fi nishing industries, steel and stainless steel pickling lines, evaporation and regeneration units, fl ue gas scrubbing downstream of waste incinerators as well as exhaust air cleaning and scrubber effl uent treatment.