Industrial grater and shredder for pharmaceutical and chemical applications
Optimize your production line with a versatile solution designed to efficiently handle grating, shredding, crushing, and deagglomerating, ensuring precise particle size for superior downstream processing.

Grates, Shreds, Crushes, and Deagglomerates Materials
The PGS Series from Alexanderwerk Inc. is an engineered-to-order grating and shredding solution designed for pharmaceutical, chemical, and primary industries. This equipment excels at grating, shredding, crushing, and deagglomerating solids and granules, adapting to both dry and slightly moist materials. Its universal drive motor with quick-release coupling allows for versatile attachments such as the rotor fine granulator RFG 150 DA, enhancing flexibility in processing tasks. Capable of throughput reaching up to 10,000 kg/h, the PGS Series supports continuous operations, ensuring efficiency and reliability in high-demand settings. Applications span from processing active pharmaceutical ingredients to forming chemical catalysts and nutraceutical powders. Its mobile design facilitates seamless integration into various production lines, while grating and shredding cylinders with customizable bores enable precise control over particle size and shape. Built with robust material options, the machine can withstand rigorous operations across multiple industries, ensuring compliance with industry standards and simplifying maintenance with easy-to-access components.
Benefits
- Enhances productivity with high throughput, accommodating up to 10,000 kg/h.
- Provides operational flexibility with mobile design, enabling easy integration and repositioning within production lines.
- Ensures precise particle sizing with customizable grating and shredding cylinders, supporting diverse manufacturing needs.
- Supports continuous operation, minimizing downtime and increasing efficiency.
- Simplifies maintenance and reduces costs through easy access to components and a universal drive motor for quick attachment changes.
- Applications
- Chemicals,Supplements,Nutraceuticals,Industrial products,Pharmaceuticals
- End products
- Nutraceutical powders,Chemical bonding agents,Active pharmaceutical ingredients (apis),Vitamin tablets,Food-grade emulsifiers,Chemical catalysts,Herbal supplement granules,Pharmaceutical excipients,Protein supplement powder,Industrial cleansing agents
- Steps before
- Grinding,Emulsification,Purification
- Steps after
- Granulation,Packing,Tablet Pressing
- Input ingredients
- raw material,solid substances,dry materials,slightly moist substances
- Output ingredients
- defined particle size,granule geometries,shredded materials,grated materials,deagglomerated substances
- Market info
- Alexanderwerk is renowned for manufacturing specialized machinery and equipment for the pharmaceutical, chemical, and food industries, particularly known for their high-quality roller compaction and granulation technologies, which enhance production efficiency and product quality.
- Throughput
- 1,000 to 10,000 kg/h
- Diameter Work Cylinder
- 165 to 340 mm
- Height Work Cylinder
- 105 to 240 mm
- Bores Grating Cylinder
- 1.0 to 8.0 mm
- Bores Shredding Cylinder
- 2.2 to 12.0 mm
- Approx. Weight
- 50 to 400 kg
- Approx. Dimensions
- 500 x 400 x 650 to 1,650 x 800 x 1,250 mm
- Material compatibility
- Dry / Slightly Moist Materials
- Design
- Stationary / Portable
- Drive Motor
- UM Universal with Quick Release Coupling
- Batch vs. continuous operation
- Batch / Continuous
- Automation Level
- Manual / PLC Controlled
- Cleaning Method
- Manual
- Material Handling Compatibility
- Dry / Slightly Moist
- Flexibility
- Stationary or Portable Design
- Granulation Capacity
- Up to 10,000 kg/h
- Density/particle size
- 0.5–2.5 g/cm³ / 50–1000 µm
- Industry Use
- Pharmaceutical,chemical,primary
- Machine Footprint
- Sizes vary,e.g.,1,100 x 900 x 1,250 mm
- Work Cylinder Diameter
- 165 mm to 340 mm
- Work Cylinder Height
- 105 mm to 240 mm
- Bores Grating Cylinder
- 1.0 - 8.0 mm
- Bores Shredding Cylinder
- 2.2 - 12.0 mm
- Approx. Weight
- 50 kg to 400 kg
- Portable Design
- Available
- Stationary Design
- Available
- Mobile Design
- Provides flexibility
- Stationary or portable design
- Stationary / Portable
- UM universal drive motor
- Integrated quick release coupling
- Slip-on attachments
- Rotor fine granulator RFG 150 DA / Grater/Shredder PGS 165 A