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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.

50,000 lb/hr ÷ 40 lb/ft3 = 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 if you want to know the maximum amount of cornmeal at 40 lb/ft3 you can move on a 6" diameter system that does 1,400 ft3/hr.

40 lb/ft3 × 1,400 ft3/hr = 56,000 lb/hr

This means you could move 56,000 lb/hr of cornmeal in a 6" diameter drag chain conveyor system.

Frequently Asked Questions


Could I run the conveyor at full speed all the time?

Yes. But it's inadvisable for two reasons:

  1. It creates unnecessary wear on on internal components.
  2. When planning out system capacity, do not let your conveyor become a choke point. Give yourself some headroom as capacity grows. A loosely applied rule is matching a customer's maximum desired rate with a conveyor's rate at 80% speed and 80% pocket fill.
Are Chain-Veys' widths measured by inner pipe diameters or outer tube diameters?

All 4", 5", and 6" Chain-Veys are fabricated with genuine pipes, whose diameters are measured from inside the pipe. Technically this means Chain-Veys could be referred to as pipe conveyors instead of tube conveyors. The benefit is that 4" Chain-Veys actually have 4" wide diameters (referred to as "nominal pipe size") inside their pipes. Other competitors who make their conveyors with tubes may claim a 4" diameter which, while technically true, means the usable diameter is really only 3.5 or 3.75" wide. The obvious difference is that, all else equal, Chain-Veys will have more volume to convey compared to non-pipe tube conveyors.

One exception is that Chain-Vey's 3" diameter system is fabricated with genuine tubes, whose diameters are measured from outer tube diameter.