Motors of epoxy-coated, steel frame construction, with cast iron endshields, conduit box and steel epoxy coated fan cover. Chemically inert, non-sparking fan. Finish is tough, epoxy, yellow enamel. Shafts are phosphatized steel, with recessed neoprene shaft slinger.
One-way condensation drains at both ends, and are internally treated with electrically tough, and chemically resistant, resin base compunds, highly resistant to oils, acids, alkalies and heat to resist "inside-out" corrosion.
Corrosion resistant steel hardware with an epoxy overcoat. Stainless steel nameplate.
Double-shielded ball bearings, preloaded, suitable for mounting in any position.
Class "F" insulation system, copper windings, and 1.15 service factor. Meet IEEE 45 and military specifications CCM-1807, including fungusproofing conforming to MIL-V-173.