Stomacher 3500 W Biowasher – Heavy-Duty Lab Blender with Water-Flush Bag System

Based on the robust Stomacher 3500 platform, the 3500 W adds a water-wash capability that flushes wash solutions directly through sealed bags, simplifying recovery and cleaning of tough samples. Its patented adjustable paddle system ensures thorough homogenization without the need for internal cleaning. Built for continuous operation, it meets industrial safety and performance standards, providing consistent and traceable sample processing.

Key Features:

• Sample capacity: 400 ml to 3,500 ml

• Water-flush bag system: Flushes wash solution through sealed bags for easy recovery of fibrous, filter, or soil samples

• Adjustable paddles: Patented design with 0–20 mm clearance for optimal homogenization

• Speed and timer: Paddle speeds selectable at 125, 150, or 175 rpm; preset blending times at 30, 60, 120 seconds, or continuous operation

• Industrial build: Heavy-duty frame with continuous-duty 120 W motor (dimensions: 480 × 480 × 445 mm; weight: 36 kg)

• Water-resistant internals: Suitable for wet sample processing and pathogen recovery from filter media

• International compliance: Meets EMC, Low Voltage, Machinery directives, and IEC lab equipment standards

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

Ideal Applications

• Environmental testing: Homogenizes filter fibers, soil slurries, and waterborne debris for contaminant analysis

• Food safety and quality control: Cleans wash bags during pathogen or allergen testing

• Biotech and pharmaceutical labs: Prepares large batches containing soil, plant, or industrial residues without internal machine rinsing

• Water and wastewater analysis: Efficient recovery of microorganisms and particulates from filters in a closed, sanitized system

Why Choose the Stomacher 3500 W Biowasher?

• Integrated water wash function: Simplifies recovery from fibrous and particulate-heavy samples

• Large-volume processing: Handles up to 3.5 liters in sealed bags for bulk sample workflows

• Continuous, reliable operation: Designed for industrial and high-throughput lab environments

• Hygienic and safe: Closed system reduces risk of cross-contamination and eliminates manual cleaning

• Durable and compliant: Built to meet international safety standards with long-term support

The Stomacher 3500 W Biowasher is the ideal solution for labs requiring powerful water-assisted homogenization at scale, combining efficiency, hygiene, and durability for challenging sample types.