Rotary Valve ZRD

Discharging and metering valve for powders.

– Large inlet for high capacities.
– With discharge adapter/feeding shoe also suitable for feeding bulk materials into pneumatic conveying systems at up to 1.5 barg (21 psi).
– Operation possible without leakage gas venting.


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 (ZPD 5 barg);
– ATEX (optional) – usable in EX-Zones and as protection system (flameproof for dust ST2);
– Large inlet / outlet – without restriction of the cross section for highest capacities;
– Outboard bearings – separated from product by purged seal arrangement and drop out opening.

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