Rotodoser is a solution developed for accurate dosing, comprising of two individually operated concentric rotors of varying volumes, which determine product flow and dosing.

The main rotor ensures continuous product flow while the secondary rotor ensures accurate dosing. (Rotors can be customised)

Manufactured according to cGMP guidelines.

Typical Applications

Feeding of packaging machines, drum and bag filling systems, dispensing



  • Bodym Main rotor and secondary: Stainless steel EN 1.4404 (AISI 316L)
  • Seals: Translucent Silicone, EPDM, FKM (Viton®)

Motion Drive

  • Pneumatic actuator (main rotor)
  • Pneumatic or electric motor (secondary rotor)
  • Pneumatic actuator (secondary rotor)


Ra 0.5 μm internal, 1.2 μm external

Declarations and Certifications

  • FDA Certification (CFR § 177.2600)
  • Material Certificate 3.1 as per EN10204
  • ATEX


100-150-200-250-300 mm