Rotary valve ZVB
Rotary valve ZVB for granular food processing

Rotary valve ZVB for gentle granular product handling
The rotary valve ZVB from Coperion is engineered for gentle, reliable discharging of granular materials such as pellets. Its optimized rotor volume, special inlet geometry, and high filling efficiency make it ideal for applications where product quality and throughput are equally important. With a feeding shoe installed, the ZVB can also feed bulk materials into pneumatic conveying systems at up to 1.5 barg (21 psi).
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 ZVB page on Coperion performance material website.
- Features
- Options
- Gallery
- Handles pellets gently: Patented inlet avoids cutting or damaging pellets.
- High capacity: Large rotor volume and inlet size allow more product per rotation.
- Smooth product flow: Internal venting improves filling and reduces blockage.
- Works with pneumatic conveying: With feeding shoe, suitable up to 1.5 barg (21 psi).
- Strong and pressure resistant: Heavy-duty design is pressure surge proof to 10 barg (145 psi).
- ATEX option available: Can be used safely in Ex-Zones.
- Rotor with shallow pockets
- ZGB version (pellet deflection)
- DUROPROTECT® wear protection
- High-temperature design (T) up to 250 °C

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