Grundfos CR multistage centrifugal pumps available from Integrity Pumps and Engineering (5/12/2008)... hypochlorites, hydrochloric acid, nitric acid, chromic acid, ferric chloride Abrasive liquids: Metasilicate, abrasive cleaners / degreasers, phosphates Toxic or explosive liquids: Trichloroethylene, toluene, petrol, ethyl alcohol, methyl ...