2022 2 21 nbsp 0183 32 Flange isolation gaskets and isolation kits are used throughout the world and in numerous cathodic protection industry applications Flange isolation kits have a proven track record for being one of the most effective and reliable Cowtown Bolt amp Gasket 16 in 150 Sleeve and Double Washer Flange Insulation Kit Part CINKDWCZY15016 Item 2151830 Mfr Part INKDWCZY15016 X POINTS To see availability for this product personLog In or Get Online Access Carson s Nut Bolt amp Tool 2 in 150 Flange Insulation Kit Part FIKBK Item 104909 X POINTS 2017 4 5 nbsp 0183 32 Nut Bolt stud Steel washer One piece insulating sleeve amp washer Steel washer Nut Insulation flanges have been in wide use for more than three decades and while there have been no reported incidents of fires at tanker or gas carrier manifolds that 2018 5 28 nbsp 0183 32 washers per bolt Flange Insulation Kits Two plated steel washers per bolt Novus Flange Insulation Kit Type F Inner Bolt Circle IBC Gasket Inside Bolt Circle insulation kit utilises a central gasket which locates within the bolts The outer diameter of the gasket fits tightly into place assuring a well centered position 2019 6 11 nbsp 0183 32 Flange Insulation Kit Installation Procedure 1 Verify that the kit contains the material specified and the contents are not damaged 2 Clean and inspect pipe flange faces 3 Install the gasket and align the flanges and gasket so the bolts will be centered

Insulating Sleeve 절연슬리브 Unless otherwise specified insulating sleeve is available in either polyethylene PTFE or reinforced phenolic 제품의 Thickness는 0 8 1 0mm로 제작되며 Gasket이 적용되는 Flange의 Bolt에 따라 ID 및 OD가 Insulation Nut and Bolt Nuts and bolts for flange connection designed to insulate stainless steel pipes and other metal pipes A set of a bolt metal washer insulation washer insulation sleeve The head of the bolt has a green 2018 5 28 nbsp 0183 32 washers per bolt Flange Insulation Kits Novus Flange Insulation Kits are typically used on offshore installations seawater environments chemi cal installations oil refinery pipelines where galvanic corrosion protection and electrical insulation is required Novus Flange Insulation Kits are designed for electrical flange insulation Alignment pins should be used whenever possible to assure proper alignment of flanges when installing all flange insulation sets Pins should be a minimum of 3 32 quot 2 38mm larger than the bolt size Type E Full Face gaskets are designed for full protection of flanges and have the same outside diameter as the flange 2022 2 21 nbsp 0183 32 Isolation Sleeves are designed to be easily inserted in the bolt hole leaving ample room for the bolt even when the bolt holes are misaligned The wall thickness is 1 32 0 79mm and can be provided for bolt sizes from 189

2019 6 11 nbsp 0183 32 Flange Insulation Flange insulation kits 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 and increase the effectiveness of cathodic protection systems and confine or eliminate electrolytic corrosion 2008 6 11 nbsp 0183 32 Insulation adjacent to flanges in piping and equipment shall be terminated to allow removal of bolts without damage to insulation Minimum free space from the flange to the nearest part of the insulation shall be equal to the bolt length 25 mm The termination of the weather protection shall be waterproof Even where there is no risk of explosion these Insulation Kits are still used to act as a non conductive interface between the two mating flanges to reduce the potential threat of galvanic corrosion of the pipework in cathodic protection systems A typical flange Insulation Kit comprises 1 Insulating Flange Gasket 1 Insulating Sleeve per bolt The VCXT™ high temperature flange insulation sets create a seal and maintain electrical isolation across a wide range of seating stresses and flange classes in elevated temperature service They can be used in load compromised 2020 5 15 nbsp 0183 32 A flange insulation kit consists of a flange gasket bolts and insulating sleeves used to install a leak proof flange The insulating sleeves used in the kit are manufactured of a high density polyethylene plastic that prevents an electrical charge from dissimilar metals from causing corrosion and ultimately weakening and breaking a flange bolt

2016 10 24 nbsp 0183 32 Flange Insulation Kits consist of an insulating gasket some insulating sleeves and washers residual flange bolt stress in orifice flanges and improves overall sealing performance under even the most extreme operating conditions in all hydrocarbon production injection and process applications 2017 5 5 nbsp 0183 32 Managed to review some literature on this issue and besides delayed detection of minor leakages flange bolts clamp load can also get effected due to insulation installation Clamp load is the tension created in a fastener when it is tightened 2022 2 17 nbsp 0183 32 Diameters and bolt circles for standard ASME B16 5 flanges 1 4 to 24 inches Class 150 to 2500 Flange dimensions are determined by the pipe size and the pressure class required for the application Flanges are standardized according publications from organizations like ASME MSS API and others Insulating sets comprise of a gasket located between the flange sealing faces one insulating sleeve per bolt two insulating washers per bolt for maximum protection and two plated mild steel or stainless steel washers per bolt Insulating sets are essentially used for flange corrosion protection where a seal is required between dissimilar flange materials in contact with an Each flange insulation set comprises one central flat or oval section gasket plus one insulation sleeve two insulating and two plated steel washers per bolt The sets are individually packed and clearly labelled with the flange rating size type and material combination

2014 2 10 nbsp 0183 32 dielectric insulation at fl anged connections to protect systems from damaging electrolysis Constructed from nonconductive corrosion resistant thermoplastics Insulating Joints consist of a PP 1 quot flange spacer and 2 piece PVC isolators for each fl ange bolt Insulating Joints are available for nominal pipeline sizes of 3 quot through 36 quot Larger2014 8 25 nbsp 0183 32 1 It is preferable that valves and flanges should be insulated but where hidden flange leakage can cause a possible fire or other hazard e g with oil lines or where repeated access will make it uneconomical insulation can be omitted 2 Flange and valve boxes are usually constructed from galvanised sheet aluminium or stainless steel 3 2006 8 2 nbsp 0183 32 Each FMC Measurement Solutions flange insulation gasket kit is packaged individually in durable corru gated boxes Each set is clearly tagged with the flange size pressure rating type of insulating sleeve and whether it is a single washer or double washer set A recommended bolt tightening sequence sheet is pro vided with each kit 2015 12 3 nbsp 0183 32 Install flange kits 3 1 Apply bolt lubricant to the bolt and nut threads and to the face of nut to be tightened assembly the steel washer insulation washer and insulation sleeve to the bolts by turn make sure the steel washer always close to the nut 3 2 Insert the bolts holes No force used like hammer it will damage the sleeves 2008 4 3 nbsp 0183 32 1 Process engineering specifies insulation on flanges for heat conservation 2 Heat exchanger is installed and in service with insulated flanges 3 Maintenance is performed that requires breaking of the said insulated flanges If rigid insulation it s normally damaged beyond repair at this stage

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