When new materials open up new scope
With Vi 782, COG delivers an FKM all-rounder featuring NFS technology: high media resistance, CIP/SIP suitability and regulatory planning certainty.
Welcome to COG
Precision seals from the specialist.
As an independent manufacturer, we are among the leading suppliers of precision O-rings in Germany. We advise, develop and produce with the highest material expertise — so that sealing failures and leakages do not hold up your processes.
Family business since
1867
generations of the owning family
5
items ex stock
45.000+
active customers
8.000+
Our products
Durable solutions with manageable maintenance effort.
Our starting point is always a broad range of elastomers with outstanding performance characteristics. The goal: reliable quality at a fair price and an industry-appropriate solution that secures your competitive edge.
01 / O-RINGE
O-rings
German EngineeRING in the truest sense: premium quality from standard sizes to special dimensions.
02 / FORMTEILEMoulded parts
More than O-rings: COG also produces demanding elastomer moulded parts.
03 / INDIVIDUALLÖSUNGENCustom solutions
Supply with assembly, custom labels and sub-packaging — tailored to your requirements.
Made in Pinneberg
Precision O-rings and elastomer seals — engineered in Germany since 1867.
Sectors
At home in the most demanding industries.
O-Ring Academy®
O-ring knowledge, conveyed clearly and close to practice.
In compact and intensive seminars as well as concise webinars, our sealing experts share their wealth of knowledge and experience — on site in Pinneberg, at your premises or online.
Latest
News from COG.
Impact of the Middle East conflict on our supply chains
We are monitoring developments closely and continuously assessing possible effects on our supply chains.
New dates for the O-Ring Academy®
O-ring knowledge made easy: the new dates for the O-Ring Academy® have been set.
Direct contact