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Thermoseal Inc., an independent Klinger Company, is a leading manufacturer and distributor of fluid sealing materials and fluid control products. Klinger products meet sealing and fluid control demands from global customers. Our Sealing and Fluid Control product portfolio has been developed in close liaison with our customers. From early patents to the advanced technology of today, KLINGER is addressing key priority areas for Sealing and Fluid Control engineers with quality, integrity, and performance.


Using the latest design and pilot technology, every KLINGER product ensures a cutting-edge advantage for plant integrity. A broad range of complementing services optimize installation, production and shut-down procedures and are considered significant values by our customers.

Sealing Products

Thermoseal, Inc. offers many different sealing products including:

Fluid Control

KLINGER valves meet the highest degrees of specification in industries ranging from industrial to petrochemical use. For more than a century, KLINGER industrial valves have been successfully controlling the flow of media around the world. A strong commitment to product development, outstanding quality, constant improvement of working processes, and reliable customer support are the sole basis for their long-term success.