KOENIG EXPANDER® series plugs form a secure, leak proof, metal-to-metal seal in drilled holes and ports. They provide reliable performance and integrity to critical fluid transport and pressurized fluid systems. With more than 5 billion parts installed, and failure rates less than 1 part per million (PPM), SFC KOENIG delivers proven metal-to-metal sealing solutions.
Product Comparison Chart | KOENIG EXPANDER SEALING PLUG | Conventional Methods | |||||||
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Product Features | Push Style | Pull Style | Ball | Set Screw | O-Ring Plug | Welding | |||
Use in as-drilled hole | ![]() | ![]() | ![]() | ||||||
High pressure system (>3000 psi) | ![]() | ![]() | ![]() | ||||||
Multi point, engineered sealing solution | ![]() | ![]() | |||||||
Metal-to-metal sealing | ![]() | ![]() | ![]() | ||||||
No contamination or debris during installation | ![]() | ![]() | |||||||
No additional chemical sealants or compounds required | ![]() | ![]() | ![]() | ||||||
Fast assembly suitable for high volume production | ![]() | ![]() | ![]() | ||||||
Operator independent controlled installation | ![]() | ||||||||
Low scrap / rework cost | ![]() | ![]() | |||||||
Uniform stress on the surrounding wall | ![]() | ![]() | ![]() | ![]() | ![]() | ||||
Reliability & safety in variable fatigue, temperature, vibration conditions | ![]() | ![]() | ![]() |