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The World’s Leading Sealing System - The Koenig Expander®
The Koenig Expander® Plug is a unique system to seal holes with absolute integrity in various types of hydraulic, pneumatic and automotive components such as controls, valves, regulators, relays, cylinders, motors, presses, pumps, transmissions and turbos, amongst many other possible applications. These applications have a common feature. Hydraulic fluid or gaseous medium under pressure flows through channels in the device. These channels must be drilled from outside to connect internal passages. These drilled holes must then be sealed pressure tight to operate the device and prevent leaks. A number of other sealing methods can be used but can often be more costly and less reliable.
The Koenig Expander® Plug provides a safe, quick, leak-proof, and an operationally low cost method for sealing cross-drilled holes. It ensures peak performance with a comfortable safety margin even in extreme applications. They are available in five styles and in different materials, 100% inspected, batch traceable and with a zero defect status.