MATERIALS HANDLING
CONVEYORS TDOUBLEHEVOLUME
Enclosed cable and disc systems can safely, gently convey volumes comparable to belt or bucket systems with less power, product loss, damage or downtime
F
ood processors have long sought a safer, more energy-effi cient means to convey product with less spillage, breakage or downtime due
to necessary cleaning and maintenance. Although tubular drag conveyors have off ered these desired attributes compared
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to belt, bucket or pneumatic systems, many in the industry selected these traditional options to move higher volumes or larger-sized products. Now, however, 8in diameter tubular drag conveyors have become widely available that essentially double the volumes of smaller 6in units. T is provides comparable volumes and pricing to conventional industrial systems and enables the transport of much larger product sizes than previously possible. Tubular drag cable conveyors gently
move product through a sealed tube using a coated, fl exible stainless-steel drag cable pulled through on a loop. Solid circular
discs (fl ights) are attached to the cable, which push the product through the tube without the use of air. T ese conveyors excel in transporting delicate, precise blends for a wide variety of food types in versatile layouts and confi gurations. “Today, 8in tubular drag cable
conveyors can move up to 2,000Ft³ and 80,000 pounds per hour depending on the bulk density of materials. T e units can transport product as large as whole potatoes and midsized grapefruit, and are increasingly used to convey pet food, cereal, nuts and whole fruit,” says Clint Hudson, engineering manager at Cablevey Conveyors, a mechanical conveyor
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