Transport under containment conditions
Containment Transport Systems for HPAPI Handling
Key Points
- Isolated conveyor belts up to 3.5 m/s, closed hopper systems for API handling
- OEB 5 (HPAPI): <1 µg/m³ exposure limit. OEB 6 (ultra-potency): <0.1 µg/m³
- ATEX 2014/34/EU, Annex II (Categories 2G & 3G), negative air flow -50 Pa
- HECHT ProClean Conveyor + LBK-EC separation combination; integrated decontamination
- Validation capability: 21 CFR Part 11, audit trail logging, GMP-compliant design
More details in our Test & Trial Centre in Pörnbach for practical validation, or consult our containment product series. For OEB selection and risk analysis: contact us.
FAQ — Containment Transport Systems
What is the difference between OEB 4 and OEB 5 transport?
OEB 4 (<10 µg/m³): semi-open isolation, suitable for normal APIs. OEB 5 (<1 µg/m³): fully enclosed conveyor belts, strict decontamination protocols after use. OEB 5 requires annual validation per batch series. HECHT offers both levels with scalable design.
How do I integrate containment transport with my existing silo & process equipment?
Our LBK-EC separation systems connect directly with HECHT conveyor belts via standard flange connections. Retrofit installation: 2–4 weeks. Includes pressure differential recalibration, SCADA connection, and GMP documentation. No production loss if performed outside working hours.
Which safety certification do I need for international export of HPAPIs?
ATEX 2014/34/EU (EU export), IECEx (USA & China), GOST (Russia). HECHT containment transport is fully certified for all three. Certificates & technical drawings are provided at delivery; no separate requests needed.
Author: Joost van Velzen, Director Hecht Technology B.V.
Related Reading
- OEB Classification: Step-by-Step Guide
- Science Spotlight: Containment in Powder Processing
- Working in Containment in the Chemical Sector: What You Must Know
- Pharmaceutical Powder Processing: Complete Guide