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Flange and Bolt Insulation

Flange and Bolt Insulation

Flange and Bolt Insulation

Industrial Gaskets manufactures and stocks an extensive range Flange and Bolt Insulation products

 

Flanges, the most common trouble area, need to be sealed properly to prevent leakage and must also be cathodically insulated to prevent stray currents which cause undo corrosion and eventual breakdown of the metal.

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.  Insulating 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.

Flange and Bolt Insulation products are the most widely used form of controlling losses due to corrosion.  They can be used to control stray electric currents in piping at oil, gas, water, refinery, and chemical plants, to increase the effectiveness of cathodic protection systems and confine or eliminate electrolytic corrosion.

Industrial Gaskets can supply various sizes and types of insulating gaskets and complete gasket kits to suit any pressure or product requirements They are available in variety of materials. Each kit is supplied either with steel and insulating washers, sleeves and a insulating gasket or TopHat bolt insulators, steel washers and an insulating gasket. 

The most common insulating materials include Minlon©, G11 Glass Epoxy, G10 Glass Epoxy, Mylar, Phenolic,  PTFE (or Teflon©).  At Industrial Gaskets they are available for all flange sizes, types, pressure ratings.

Flange Insulation is designed to combat the effects of  corrosion often found in flanged pipe system.  Galvanic corrosion between dissimilar metal flanges, flange insulation associated with cathodic protection of underground piping are other examples where Flange Insulation can be put to effective use.

Industrial Gaskets manufactures Flange Insulation Kits in Type E, Type F and Type D configuration, TopHat Bolt Insulators, Insulating Washers and Insulating Gaskets.

Refer individual product for further information below on Flange and Bolt Insulation or contact one of our Sales Representatives

  

 



 
Bolt Insulation - Minlon Top HatBolt Insulation - Minlon Top Hat

Code: Bolt Insulation - Minlon Top Hat

Top Hat or Bolt Insulators are a one piece moulded sleeve and washer that are used to electrically isolate bolts from flanges to stop galvanic corrosion.
Material is a mineral filled nylon - Minlon  

Price - Contact us for Pricing
Flange Insulation Kits - Type DFlange Insulation Kits - Type D

Code: 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 EFlange Insulation Kits - Type E

Code: Flange Insulation Kits - Type E

Type "E" Insulation Gaskets extend to the outside diameter of the flange.  

Price - Contact us for Pricing
Flange Insulation Kits - Type FFlange Insulation Kits - Type F

Code: 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
  
G-10 Glass Epoxy WasherG-10 Glass Epoxy Washer

Code: G-10 Glass Epoxy Washer

G-10 Glass Epoxy for isolation from dissimilar metals and subsequent galvanic corrosion.

G-10 Epoxy glass has high mechanical strength, good electric strength properties and dielectric loss properties under both dry and humid conditions.  

Price - Contact us for Pricing
G-11 Glass Epoxy WasherG-11 Glass Epoxy Washer

Code: G-11 Glass Epoxy Washer

G-11 Glass Epoxy is used for isolation from dissimilar metals and subsequent galvanic corrosion.
G-11 Glass Epoxy has extremely high mechanical strength, good electric strength properties and dielectric loss properties at elevated temperatures.  

Price - Contact us for Pricing
  
Mylar Insulating Sleeve Mylar Insulating Sleeve

Code: Mylar Insulating Sleeve

Mylar Sleeve / Tube is widely used in flange isolation kits or on it's own to insulate bolts from flanges in an environment where Galvanic Corrossion may occur. Mylar Sleeve has low water absorption and high dielectric strength. 

Price - Contact us for Pricing
Phenolic Insulating Washers Phenolic Insulating Washers

Code: 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
  
Phenolic SleevePhenolic Sleeve

Code: PHENSLV

Phenolic Sleeve is widely used in flange isolation kits or on it's own to insulate bolts from flanges in an environment where Galvanic Corrossion may occur. Phenolic Sleeve has low water absorption and high dielectric strength. 

Price - Contact us for Pricing
TESNIT BA-GLTESNIT BA-GL

Code: TESNIT BA-GL

Donit Tesnit BA-GL combines excellent thermal and chemical resistance with outstanding mechanical properties, especially torque retention. 

Price - Contact us for Pricing
  
 


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