Dichtomatik Dichtomatik is a specialist supplier of technical seals. The extensive range of stock seals currently covers in excess of 55,000 different types – and this is continuously being expanded. Customer-specific seal variations can also be developed. Dichtomatik's customer service staff can refer to and obtain approximately 115,000 of these seal variations specially produced for customers. Dichtomatik Limited has been established in the UK since 1988 and is part of an extensive manufacturing and supply network specialising in seals and rubber products for hydraulic, pneumatic, static and rotational applications throughout industry.