The WCC is a between bearing, multistage, double case, diffuser style barrel pump designed for medium duty applications in the oil & gas, chemical process industry and general industry markets. With numerous units installed, the Flowserve WCC(D) medium duty multistage barrel pump is a unique member of the double-case barrel pump family. The operating window is set out for the standard product range; however Flowserve has numerous installations in excess of this range what would be considered as fully engineered hydraulics and pump package.