METAL-TO-METAL SEAL COMPARISON CHART

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 PLUGConventional Methods
Product FeaturesPush StylePull StyleBallSet ScrewO-Ring PlugWelding
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

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