Frequently Asked Questions

Quite often we receive questions from our customers that are relevant either to others in our network or of interest to other visitors to our site. Here you will find the answers to those questions and information on the various features of our extensive product portfolio and its application in industry. 

If the answer is not here then please send us your query › Contact form. We are always happy to answer any question concerning sealing and flow control technology.

Select a topic below and then click the plus box beside each question to read the answer.


SFC KOENIG is the new identity of KVT-Koenig. Even though we have changed our name and logo, our focus and our commitment to providing superior engineering solutions for sealing technology and control systems remains the same. Our new name supports our position as the world’s leading supplier of sealing and flow control solutions.

Our contact form can be found in the upper section of the website. In addition to standard information, please provide as many details as possible regarding your project so one of our engineers can assist you. We will contact you within one business day after form submission.

The roots of SFC KOENIG lie in a flexible and innovative company, which was founded by Dr. Max Koenig, who received his PhD in Engineering in 1927. The company was originally focused on sheet metal processing, though throughout the years its capabilities and products expanded. In 1985, it was renamed KVT-Koenig AG. In 2014 the company again changed its name and brand to SFC KOENIG, to better reflect its position as a provider of the world's leading sealing and flow control solutions. The company is proud of its successful and innovative past, and is excited about the future.

SFC KOENIG is a global provider of products and solutions for sealing and flow control. Our core applications are in the transportation sector, in fluid control technology and precision engineering. We have main logistics centers in the United States, China and Germany, and our headquarters is located in Switzerland. With two production sites – in Switzerland and in the US - we are able to provide the highest level of service and efficiency. In addition, we have numerous distribution partners around the globe. More on our Global Presence.



Our parts are proven reliable in a variety of industries and applications, including transportation, fluid power, precision and microhydraulics.


Global presence

SFC KOENIG’s efficient business networks span the globe with locations in all key regions and a broad network of Distribution Partners.



Our sealing and flow control solutions comply with global quality assurance and certification standards.