The Wilfley Model K The Wilfley Model K The Wilfley Model K is a horizontal mounted, sealless (no packing, water glands, or mechanical seals), single stage, rear intake centrifugal pump designed to handle corrosive and abrasive slurries. Wifley K Model [fancy_heading h1=”0″][/fancy_heading][fancy_heading h1=”0″][/fancy_heading]Catalog