The impeller of RCN-series pumps is of closed type designed with wide cross sections between the blades to pump, without any clogging problems, liquids with non-fibrous solid particles. The casing of RCN/RCNS series pumps is provided with a replaceable wear ring, the casing of RCPN/RCPNS series pumps is provided with a replaceable wear plate to pump liquids with abrasive solid particles. The RCN-RCPN/RCNS-RCPNS series pumps are suitable for use in the pulp and paper industry, the sugar industry, the chemical industry, in iron metallurgy, in the food processing industry 100M3 Hr 40mt head. 30kw 4 pole electric motor All stainless steel non clogging impeller.