olating sleevesand washers are components used in flange isolationkits to electrically separate the bolts and nuts from the metallic flanges, preventing galvanic corrosion and stray-current flow in piping systems. Here’s a breakdown of their function and typical characteristics
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Isolating Sleeves
- Tubular components that fit over the bolts connecting two flanges.
- Made from dielectric materials such as Minlon, G10/G11
- Isolating Washers
- Flat washers placed under the bolt head andthe nut.
- Made of the same dielectric material as the sleeve to maintain electrical separation.
- Prevent metal-to-metal contact between boltsand flanges.
- Maintain the torque integrity of the connection while providing insulation.




