Rotary valve ZRD
Powder rotary valve for food industry

Discharging & metering valve for powders
The rotary valve ZRD from Coperion is engineered for reliable, high-capacity powder discharging and metering. Designed for food applications, it delivers smooth, contamination-free feeding into pneumatic conveying systems while maintaining process efficiency and safety.
Ideal for food applications:
- Flour
- Sugar
- Spices
- Other powdered ingredients
For other types of flow control valves for food & pharmaceutical industries, see our valve range here.

This valve is compatible with plastics, chemicals, and mineral processing applications. For more details, please visit the rotary valve ZRD page on Coperion performance material website.
- Features
- Gallery
- High-capacity handling: Large inlet and outlet allow maximum powder throughput
- Smooth feeding: Works efficiently in pneumatic systems (up to 1.5 barg / 21 psi)
- Leak-free operation: No gas venting required for cleaner processes
- Robust design: Heavy-duty construction handles pressures up to 10 barg (145 psi)
- Safety-ready: Optional ATEX for use in explosive zones
- Easy maintenance: Bearings separated from product with purged seal arrangement

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