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Bulk Bag Dischargers

Technical Details: T5 Low Loader

Spiroflow's T5 Low Loading Discharger (often called a Bulk Bag Unloader) empties bulk bags and bags in process areas where restricted headroom causes problems in handling bags or where only a low lift forklift is available.

The T5 Bulk Bag Discharger is coupled directly to a flexible spiral or other suitable conveyor which meters ingredients from the bag either volumetrically or by weight. Ingredients can then be fed directly to mixing or other process equipment to provide a fully automatic ingredient unloading, proportioning and transfer system. The height of the access door has been designed to receive small bags, which is particularly beneficial to processors who have switched over to bulk bags, but still continue to receive minor ingredients in 50 lb bags. Processors with batching operations may choose to have several bag frames for use with one discharge station, allowing them to partially empty, re-tie and store bulk bags.


  • Removable top frame
  • Dust-tight spring loaded docking seal
  • Bag tensioner ensures total emptying
  • Integral conveyor or feeder
  • Dust control


  • Loss-in-weight batch control
  • Bag massagers to aid flow
  • Bag spout closure bars for dust-free and easy untying and re-tying of bag
  • Mobile frame
  • Bag tip door
  • Hygienic liner clamp
The top frame of this bulk bag unloader can be removed by fork lift for areas with limited headroom.

1. No bag in place

The top frame of this low headroom bulk bag unloader has a bag installed for unloading.

2. Loading bag into top frame

An operator moves the top frame loaded with a bulk bag for discharging.

3. Lifting top section from floor

The operator places the top frame and bulk bag in place for unloading.

4. Returning top section

The low loading bulk bag unloader is ready to unload.

5. Bag loaded ready to discharge

This low loading bulk bag unloader is mobile and custom designed to fit in an elevator.

Special T3/T5 compact mobile discharger designed to fit into an elevator.

This Spiroflow bulk bag unloader has a dust tight docking seal and patented spout closure bars.

The discharger base unit has a dust-tight docking seal where the top frame and bag is placed. A spout clamp allows the bag to be untied without dust emission or spillage, via an access door.