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Flange Insulation
 

A flange is typically insulated for cathodic protection reasons.  Insulating the flange requires that no metal to metal contact occurs between the two flanges, this includes between the bolts.  Plastic sleeves and washers are used on the bolts that prevents this contact.

Isolating products are used to guarantee the safe flow of fluids passing through pipeline transmission, distribution and process piping systems.



Bolt Insulation - Top Hat

Bolt Insulating "Top Hats" are used to provide electrical isolation between the bolts and flanges on a pipeline. Tough, convenient-to-use, one-piece sleeves and washers are available moulded. 

Price - Contact us for Pricing

Epoxy Washer

Glass Epoxy washers are an excellent subsitute for phenolic based materials where strength is required in bolt insulation. Availble in flange insulation kits or as individual washers 

Price - Contact us for Pricing

  
Flange Insulation Kits - Type D

Insulating kits are used to provide electrical isolation between flanges on a pipeline.

Type "D" Gaskets are specially made for RTJ flanges to be positioned in the ring groove. 

Price - Contact us for Pricing

Flange Insulation Kits - Type E

Type "E" Insulation Gaskets extend to the outside diameter of the flange. They feature precision located bolt holes, to automatically center the gasket and prevent foreign material from becoming lodged between the flange and "shorting out" the flange. 

Price - Contact us for Pricing

  
Flange Insulation Kits - Type F

Type F are made to fit within the bolt hole circle of the flange faces. The outside diameter of the gasket is slightly larger than the inside diameter of the bolt hole circle. 

Price - Contact us for Pricing

Mylar Insulating Sleeve

They are designed to fit easily over the flange bolts, and may be used with standard size bolts and bolt holes even with some misalignment. Insulating sleeves have a standard wall thickness and are generally used with separate insulating washers. 

Price - Contact us for Pricing

  
Phenolic Insulating Washers

Insulating Washers are generally made of high strength phenolic and provide tough, positive insulation. They are available for most standard bolt sizes and are made to fit over the insulating sleeves. 

Price - Contact us for Pricing

  
 
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