Stomacher 3500 – Industrial-Scale Lab Blender for Large-Volume Sample Preparation

Engineered for heavy-duty use, the Stomacher 3500 efficiently homogenizes sample volumes from 400 ml to 3,500 ml using Seward’s proven paddle blending technology. Its sealed bag system prevents cross-contamination, and adjustable paddles allow for optimized blending of solids, powders, and liquids—without the need for internal cleaning between samples.

Key Features:

• Sample capacity: 400 ml to 3,500 ml

• Patented paddle system: Adjustable paddle clearance ensures thorough and reproducible homogenization

• Speed settings: Paddle speeds selectable at 125, 150, or 175 rpm

• Timer options: Preset blending times at 30, 60, 120 seconds, or continuous operation

• Robust construction: Built for industrial use with a durable stainless steel body

• Easy maintenance: Closed-bag blending eliminates cleaning between runs

• Dimensions: 480 × 480 × 445 mm

• Weight: 36 kg

• Power: 120 W continuous-duty motor

• Compliance: Built to meet international laboratory safety and EMC standards

• Warranty: 3-year warranty with 10-year service life and parts availability

Ideal Applications

• Food safety and quality control: Ideal for testing bulk food samples for microbial contamination

• Environmental analysis: Processes large samples like filters, swabs, and fibrous material for water and soil testing

• Pharmaceutical and biotech labs: Supports sterile homogenization of powders, cultures, and ingredients

• Bioreactor sample preparation: Efficient mixing of large fermentation or culture batches

Why Choose the Stomacher 3500?

• High-volume processing: Handles up to 3.5 liters per cycle for large sample throughput

• Sterile and efficient: Closed-system operation prevents cross-contamination and simplifies workflow

• Heavy-duty durability: Built for continuous use in demanding lab and production settings

• Precise blending control: Adjustable paddles and speed settings ensure optimal sample recovery

• Trusted performance: Reliable and consistent results across diverse sample types

The Stomacher 3500 is your go-to solution for large-volume sample homogenization—combining industrial strength with proven blending performance for demanding laboratory environments.