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Rail Components Catalog Freight Car Products Derails

Rail Industry Component:
Nolan Co., The: Low Profile Hinged Derails

Nolan Co., The

The Nolan Co. has re-engineered and expanded its series of low-profile hinged derails. Nolan has decreased the deflection angle of its HD series derails to allow a longer travel run and increase the derail's functionality at higher speeds. The HD series derails have a 2-3/4-inch height above the top of the railhead, designed to ensure effective derailments of rail cars, including mainline locomotives, whose locomotive pilots are cleared by the derail's low height. HD-3 and HD-4 are single-end, and HD-5 and HD-6 are double-end, bidirectional derails. HD-3 and HD-5 fit rail sizes 4-5/8 inches to 6-1/2 inches; HD-4 and HD-6 fit rail sizes 6-5/8 inches to 7-7/16 inches.