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Type D FIBC Charge Control
TRGS 727 requires all people and conductive objects near a Type D flexible intermediate bulk container (FIBC) that can become dangerously charged to be grounded when flammable gases, vapors, or dusts are present. The bag’s lack of grounding devices does not remove this requirement.
This requirement appears in section 6.6(6) of TRGS 727, the German technical rule on preventing ignition hazards from electrostatic charges, January 2016 edition corrected July 2016. It forms part of the broader FIBC selection and grounding requirements.
How Type D controls charge
- Source
- TRGS 727, Annex C
- Devices
- No grounding devices
Annex C of TRGS 727 describes Type D FIBCs as limiting charging to a non-hazardous level through corona discharge. It also states that Type D FIBCs have no grounding devices.
When a Type D FIBC is used, Annex C requires proof that no dangerous charging occurs.
Frequently Asked Questions
Yes. TRGS 727 requires grounding of all nearby people and conductive objects that can become dangerously charged when flammable gases, vapors, or dusts are present. The Type D bag’s lack of grounding devices does not remove this requirement.
TRGS 727 Annex C describes Type D FIBCs as limiting charging to a non-hazardous level through corona discharge. It also requires proof, when a Type D FIBC is used, that dangerous charging does not occur.
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