Rotary feeder for powdered bulk materials
Achieve precise control in feeding and discharging powdered materials with a rotary feeder designed to handle pneumatic conveying challenges, minimizing gas leakage and maintaining system efficiency.

Feeds and Discharges Powdered Bulk Materials
The D-type Blowing Seal Rotary Feeder Series II from Zeppelin Systems is engineered for precision in handling powdered bulk materials. Featuring a unique 10-chamber rotor, it minimizes gas leakage and maintains optimal spacing, making it essential for pneumatic conveying systems in industries like rubber, tire, food, and plastics. Designed to operate seamlessly in differential pressure environments up to 1.0 bar (g), this feeder integrates effortlessly into continuous operations. It’s available in seven sizes, allowing flexible applications from flour and cocoa powder to synthetic rubber and liquid dispersion paints. With robust, ribbed cast housing and integrated leakage-gas nozzles, it offers durability and low maintenance. Customization options include quick cleaning, flameproof configurations with ATEX certification, and sealing gas to protect bearings, ensuring compliance and safety. The feeder’s mechanical temperature range from -10 to +60°C and various material options provide specific corrosion resistance and operational versatility. This feeder also complies with the EC Machinery Directive and holds ATEX conformity, underscoring its reliability and safety in diverse industrial applications.
Benefits
- Enhances efficiency with minimal gas leakage, ensuring reliable pneumatic operations.
- Reduces maintenance frequency due to robust design and low-wear components.
- Offers flexibility with various size options to meet specific industry needs.
- Ensures compliance and safety with ATEX-certified configurations.
- Optimizes use in high-pressure environments up to 1.0 bar (g), reducing operational risks.
- Applications
- Powdered bulk materials,Food industry,Plastics,Rubber and tire industry,Dispersion paints
- End products
- Powdered milk,Corn starch,Cocoa powder,Pastry mixes,Tire compounds,Plastic granules,Liquid dispersion paints,Synthetic rubber,Flour,Pvc powder
- Steps before
- Grinding,Drying
- Steps after
- Conveying,Blending
- Input ingredients
- powdered bulk materials,bulk material
- Output ingredients
- discharged bulk materials
- Market info
- Zeppelin Systems excels in designing and manufacturing high-quality bulk material handling and processing equipment. Renowned for its engineering expertise, the company serves industries including plastics, chemicals, and food, ensuring efficient, reliable, and innovative solutions tailored to customer needs.
- Differential pressure
- up to 1.0 bar (g)
- Mechanical design pressure
- -1.0 to 10 bar (g)
- Mechanical temperature resistance
- -10 to +60°C
- Size availability
- Seven sizes (160–500)
- Rotor chambers
- 10-chamber rotor
- Flange joints
- DIN 2501 PN10 FF or ANSI 150 lbs FF
- Sealing
- Shaft-sealing rings
- Batch vs. continuous operation
- Continuous
- Pressure resistance
- Up to 1.0 bar (g)
- Temperature resistance
- -10 to +60°C
- Material compatibility
- Powdered bulk materials
- Gas leakage control
- Minimal leakage
- Customization options
- Various material combinations
- Cleaning method
- Quick cleaning
- Automation level
- Manual / Monitoring enabled
- Abrasion resistance
- Yes
- Biological compatibility
- No
- Cleanability
- Quick cleaning available
- Corrosive resistance (e.g. acids)
- Depends on material selection
- Density/particle size
- 0.5–2.5 g/cm³ / Dependent on bulk materials
- ATEX certification
- 2014/34/EU
- Declaration of conformity
- Machinery Directive
- Machine footprint
- Compact due to reduced height
- Discharge method
- 10-chamber rotor
- Size range
- Available in sizes 160–500
- Housing design
- Robust,ribbed cast housing
- Rotor design
- Beveled rotor
- Sealing method
- Shaft passages sealed with shaft-sealing rings
- Flange joint standard
- DIN 2501 PN10 FF / ANSI 150 lbs FF
- Available Sizes
- 160–500
- Material Combination Options
- Various
- Rotor Configuration
- 10-chamber,beveled
- Surface Treatment and Finishing
- Available
- Flange Joint Standards
- DIN 2501 PN10 FF,ANSI 150 lbs FF
- Cleaning Options
- Quick cleaning
- Safety Standards
- ATEX 2014/34/EU