The 827 DVJ dry-vacuum blower from Howden Roots is a heavy-duty unit with integral ductile iron impellers. The casing headplates, gear cover and drive-end are gray iron. Carburized and ground spur timing gears are taper-mounted on the shaft and secured with a locknut, cylindrical roller bearings, splash lubrication on both ends, and easy-to-read sight glasses for maintenance. The blower is capable of handling high inlet temperatures for rough applications. Its efficient discharge jet plenum design allows cool atmospheric air to flow into the cylinder, so the blower continues to run under blank-off conditions. It comes in a compact, lightweight package and is capable of delivering more than 5,700 cfm in an 8-inch gear diameter frame, as well as 28 inches Hg. 800-557-6687; www.howdenroots.com



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