Rotary Valve ZVD

Discharging valve for fine and coarse-grained products.

– Max. capacity through ideal ratio of rotor volume and inlet cross section.
– Special inlet geometry purpose-built for gentle product handling.
– With feeding shoe also suitable for feeding bulk materials into pneumatic conveying systems at up to 1.5 barg (21 psi).


Main features
– Pressure range
1.5 barg (21 psi) system and differential pressure
– Pressure surge proof
10 barg (145 psi), due to heavy duty design
– ATEX (optional)
Usable in Ex-Zones and as protection system (flameproof for dust ST2)
– Inlet for pellets
Anti-chopping inlet geometry (patented) for safe starting below full product column
– Capacity
High filling efficiency by internal leakage gas venting

More information on manufacturer`s website:



If you have any questions please don`t hesitate to contact Thurne specialist directly:

Thurne Baltic

Andris Putnins
Product Sales Manager
Product Sales Manager B.Sc. Chemical Engineering, M.Sc. Materials Science

Phone number

Direct phone: +371 6616 3763 Mobile phone: +371 2689 6799

Thurne Finland

Olli-Pekka Tikkanen
Product Sales Manager
Product Sales Manager B. Sc. Chemical Engineering

Phone number

Mobile phone: +358 40 730 8464

Thurne Sweden

Robert Andersson
Product Sales Manager
Product Sales Manager Ph.D. Chemical Engineering

Phone number

Direct phone: +46 8 5576 9336 Mobile phone: +46 73 866 31 60