About us

Since the start, in the 1970’s, DSU has grown to become a company fully focussed on the production of customized refrigerator and freezer door and drawer seals. With sales in more than 30 countries DSU is market leader in this niche business. 

With our products we serve the market for refrigerator and freezer replacement seals for commercial cooling equipment. Our customer base consists of companies offering commercial refrigeration maintenance, wholesales companies and leading refrigeration equipment manufacturers.

Always a suitable solution
“Always a suitable solution” that is our goal. With an assortment of over 200 different seal profiles DSU is the supplier with the widest assortment on the European market. Are you unable to find the profile you are searching for? Or do you have any doubts about the matching profile? Send us a photograph of the seal cross section via email or WhatsApp
(+31 6 30 50 3000). We are glad to help you find the right match or a suitable alternative.

Fast delivery

We have our own in-house production department. This enables us to produce made-to-measure seals prompt upon receiving your order. Our regular delivery time is 2 – 5 days. We offer the possibility for shipment on the same day. A surcharge of €50 per order is applicable for same day shipping. Orders must be received before noon (CET) with a maximum of 10 seals per order.

Our competent employees produce seals with utmost care and precision. We exclusively utilize materials from approved suppliers. The chance of a manufacturing defect is reduced to an absolute minimum through our quality assurance system.

Serial production
For orders of more than 50 seals we can offer attractive prices. Contact our sales department with your inquiry. Call us at +31413264472 or send us an email sales@dsu-nl.com 

For shipment cost to your country please contact our sales department. Call us at +31413264472 or send us an email sales@dsu-nl.com. We can also ship your order using your own account with the major logistics providers.