Iwaki, the world leader in small magnetically coupled centrifugal pump technology, offers the premier line of non-metallic centrifugal pumps. Iwaki has over 50 years of pump design engineering. Extraordinarily high efficiencies make WMD & MD the clear choice in almost every process, recirculation or transfer application. Premium, high efficiency motors are used throughout the line. Totally enclosed, permanent split capacitor motors are compact, cool and economical.