Minlon®Top Hat Bolt Isolator

Minlon®Top Hat Bolt Isolator are used to provide electrical isolation between the bolts and flanges on pipelines, or between dissimilar metals.  They offer a tough, convenient to use, one piece sleeve and washer option.

Industrial Gaskets Top Hats are manufactured from Mineral Reinforced Nylon (commonly known as Minlon®). Industrial Gaskets Top Hat Bolt Insulators have excellent di-electric strength.

Bolt Insulating Top Hats are used to provide electrical isolation between the bolts and flanges on pipelines, or between dissimilar metals.

Mineral Reinforced Nylon (commonly known as Minlon®) exhibits good to excellent resistance to most hydrocarbons, ozone, gasoline, ethanol, oil, grease, water etc.

We manufacture and supply various sizes and types of Minlon®Top Hat Bolt Isolators.   Sizes manufactured and stocked are in both Metric and Imperial.

They can be used for single bolt isolation or combined with a gasket and steel washers to form a flange kit.

Contact us for a sizing chart of available sizes.