The Model HMS is a close coupled, end suction, multi-stage centrifugal pump for general liquid transfer service, booster applications, etc. Liquid-end construction is all AISI Type 316 stainless steel, stamped and welded. Impellers are fully enclosed, non-trimmable to intermediate diameters. Casings are fitted with diffusers for efficiency and for negligible radial shaft loading. All units have NEMA 48Y or 56Y motors with square flange mounting and threaded shaft extension.