Application
Routing Powder to Multiple Destinations in Battery Production
Answer in brief
In battery production the diverter is a containment component that happens to change direction.
Carryover between chemistries is a quality failure and a leak at the junction is an exposure event.
- Require a stated containment performance for the junction.
- Treat chemistry carryover as a rejection risk.
- Confirm position; do not infer it from the command.
Reviewed October 21, 2026 · Updated October 21, 2026
The problem
Cathode powders and black mass are hazardous and valuable, and a junction that retains material mixes chemistries and exposes operators.
Desired outcome
A junction that delivers the full stream to the selected destination, retains nothing for the next one and holds the line pressure.
Process approach
Flex tube designs keep the product inside a single replaceable element, which suits both containment and changeover.
Where the process is inerted, the diverter has to maintain the atmosphere through the switching movement.
- Containment performance stated for the actual powder.
- Replaceable product contact element.
- Position feedback integrated into the batch record.
Selection factors
- Occupational exposure limit and the containment required.
- Number of chemistries and the permitted carryover.
- Inert atmosphere requirement across the valve.
- Abrasiveness of the powder at the junction.
- Position confirmation and interlocks.
Common failure modes
- Chemistry carryover at the junction
- Containment lost during the switching movement
- Inert atmosphere broken while diverting
- Position commanded but not confirmed
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