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Tubular Drag Chain Conveyor Capacities

Tubular drag chain conveyors come in varying disc diameters for varying capacities.

You can figure out which drag chain conveyor capacity is right for you using a function of your product's bulk density and your desired rate of conveyance.

Let's say you want to convey 50,000 lb/hr of cornmeal which has a bulk density of 40 lb/ft3.
You divide 50,000 lb/hr by 40 lb/ft3 which equals 1,250 ft3/hr.
Since you want a conveyor that can move at least 1,250 ft3/hr of cornmeal, that puts you comfortably within a 6" diameter drag chain conveyor system.

Or you can reverse the function:

Let's say you want to know the maximum amount of cornmeal you can convey with a single 6" diameter system.
You take cornmeal's density of 40 lb/ft3 and multiply by 1,400 ft3/hr which equals 56,000 lb/hr.
This means you could move 56,000 lb/hr of cornmeal in a 6" diameter drag chain conveyor system.

Chain-Vey capacities graph

Up to 280 ft3/hr (or 8 m3/hr)

3″ diameter drag chain conveyors are great for malted barley. It is the popular choice for seeds and crumbs as well.

Up to 650 ft3/hr (or 18 m3/hr)

4" diameter drag chain conveyors are a great fit for green and whole bean roasted coffee, oats, pecans and almonds.

Up to 1,000 ft3/hr (or 28 m3/hr)

5" diameter drag chain conveyors are great for moving pet food, breakfast cereal, peanuts, whole walnuts and cashews.

Up to 1,400 ft3/hr (or 40 m3/hr)

6" diameter drag chain conveyors are great for any application in scaled process systems like ground coffee or bulk powder.