HomeProdukSeward UKThe Stomacher® 3500 series

The Stomacher® 3500 series


The Stomacher® 3500 series

for large volume applications

The Stomacher® 3500 Series provides a versatile range of tools for large volume blending and extraction where all washing solution or solvent needs to be retained for analysis. This heavy duty range of machines are built to industrial standards and often used in applications for large volume food microbiology, forensic residue analysis and testing of waterborne parasites.


Seward has developed three different Stomacher® machines that provide comprehensive solutions for all blending requirements of large volume applications to meet your needs.

The Stomacher® 3500

The Stomacher® 3500 is used where large volume blending is required. The blending of powders with diluent and the microbiological testing of complete recipe dishes are two popular applications.


The Stomacher® 3500 Biowasher

The Biowasher was originally designed to process the large volume of filter fibres derived from cartridge filters used in testing water for parasites.

The technique involves filtering very large amounts of water and extracting the material retrieved to stain and microscopically observe for cryptosporidium and giardia.

The Stomacher® method for preparing the samples is referenced throughout the world for this technique.

The Stomacher® 3500 Bioreactor

The Bioreactor is used in the pork industry to prepare samples for analysis for Trichinella. The machine has a heater element inside the door and the samples of pork meat are digested inside the bag with enzyme and HCl acid. The resultant slurry is sieved and examined under microscopy for the presence of the Trichinella parasite.

The Stomacher® technique is the world standard for this application. All pork products imported into the EU and the USA have to have traceability back to the beast from which the meat was obtained.

Trichenella testing is an essential part of that documentation.

The Bioreactor has a number of additional applications based on its ability to blend and incubate simultaneously and it can be used in a range of enzyme digestion processes and fermentation applications.


Product Codes

Product Code Description Volume Range Supply Voltage Dimensions (mm)
( W x L x H )
3500/000/AJ Stomacher® 3500 (AJ) 1000ml-3500ml 110v 480 x 480 x 445
3500/000/EU Stomacher® 3500 (EU) 1000ml-3500ml 220v 480 x 480 x 445
3500/001/AJ Stomacher® 3500 Biowasher (AJ) 1000ml-3500ml 110v 480 x 480 x 445
3500/001/EU Stomacher® 3500 Biowasher (EU) 1000ml-3500ml 220v 480 x 480 x 445
3500/002/AJ Stomacher® 3500 Bioreactor (AJ) 1000ml-3500ml 110 480 x 480 x 445
3500/002/EU Stomacher® 3500 Bioreactor (AJ) 1000ml-3500ml 220v 480 x 480 x 445

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