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Can your IBC breathe?
Quick flow check · FLOW · HIGH
Tip: If liquid flow from an IBC gasps, surges, or suddenly speeds up, first check whether air can enter the IBC. A closed or blocked vent can interrupt smooth flow.
✅ What this visual shows
An IBC needs replacement air while product leaves the container. When air can enter through an open vent or breathable filter, the flow stays smooth. When no air can enter, the IBC can pull a vacuum and the outgoing flow may surge, gasp, or become unstable.
| Situation | What you see | What it means |
|---|---|---|
| Air in | Smooth flow from the IBC. | The container can breathe, so liquid can leave steadily. |
| No air in | Flow surges, gasps, or speeds up unexpectedly. | The vent may be closed, blocked, or not allowing enough air into the IBC. |
🔎 Quick check: see it, check it, fix it
- See it: watch for flow that gasps, pulses, surges, or suddenly speeds up.
- Check it: confirm that the IBC is open or properly vented.
- Fix it: open the vent, make sure air can enter, and test the flow again.
💨 Desiccant filter reminder
If you are using a desiccant filter, make sure it still allows enough air into the IBC. The filter protects the product, but it must not choke the airflow needed for stable dispensing.
Practical rule: product out means air must get in. If the IBC cannot breathe, your filling process may not behave consistently.
📝 Text from the visual
Included for searchability:
- The Gravifill — Can your IBC breathe?
- Quick flow check · FLOW · HIGH
- Air in — Smooth flow
- No air in — Flow surges
- 1. See it — Flow “gasps” or speeds up
- 2. Check it — Is the IBC open or vented?
- 3. Fix it — Open vent. Test again.
- Using a desiccant filter? Make sure air can still enter.