AISI 304 and 316L stainless steel liquid handling components for corrosion resistance, quality appearance, and improved strength and ductility;Enclosed impeller with unique floating seal ring design maintains maximum efficiencies over the life of the pump without adjustment;Stainless steel construction with NPT threaded, centerline connections, easily accessible vent, prime and drain connections with stainless steel plugs;Mechanical seal carbon, Sil-Carbide faces, VITON elastomers and stainless steel metal parts;NEMA standard motor;Rugged ball bearing design for continuous duty under all operating conditions