Always the right seal for every application

Our Principles


Smartest solution

Solution is key, not the product


Less usage

Better for the environment

Great value

Quality always comes first


Fast delivery

By reliable partners

Free advice for your application

Reliable shaft seals

Renowned brands

Much is demanded of shaft seals: they perform under high pressures, vacuums, speeds, temperatures and aggressive products. To meet this requirement, we chose only the best performing brands.

Customized seals

We advise and make tailor-made seals. We design these tailor-made for your application and have them manufactured by our partners.

years of experience




Sealing of agitators, under and / or overpressure, even under extreme pressures and temperatures.


Sealing in dough mixers, blenders, conical mixers and filters.


Sealing in separators and screw conveyors, also for heavily contaminated product.

Solutions with IQ

For every application

High-quality solutions with various elastomers (PTFE, Gylon, Viton, EPDM) that have to perform to the utmost.


In accordance with today’s high requirements of food manufacturers, such as: FDA, EC 1935/2004 and material specifications.


We design, manufacture and test high-quality seals for your application and guarantee operation !

Applied at

Ask for advice

We are ContratEch

We have been solving cleaning problems for customers in the food industry for over 30 years. It is characteristic that we visit the location free of charge and provide advice. We also train your staff on location. Not the product, but the best solution always comes first. Guaranteed to work 100%.

Contact details

AHG Fokkerstraat 18b

9403 AP Assen
The Netherlands

+31 (0) 592 27 22 39