Gaskets and Sheet Jointings

Flange Isolation Kits

Isolation gaskets are challenged to fulfil both sealing and isolating roles at a wide range of pressures and temperatures. However, by successfully optimising each component of its InsoLion gaskets, we have produced a range to cover the widest possible performance envelope.

All Insolion isolation gaskets are supplied in kit form complete with the necessary isolating sleeves and washers.


Insolion G10
Shell TAT Approved

InsoLion G10The Insolion G10 gasket consists of a modified u-shaped TFM seal energised with a phynox spring bonded to a high strength G10 glass reinforced epoxy and 316L stainless steel composite core.

Insolion G10 is TAT approved with fugitive emissions performance significantly surpassing the requirements of Shell MESC SPE 85/300 3.3.2 Class A.

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Insolion FS
Shell TAT Approved

InsoLion FSPremium performance fire safe isolation gasket utilising a patent pending triple seal design.

Tested and approved by a third party test house to API 6FB 3rd Edition fire test.

Significantly surpasses the fugitive emissions requirements of Shell MESC SPE 85/300 3.3.2 Class A.

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Shell TAT certificate

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Insolion HT

InsoLion HT

The Insolion HT flange isolation kit utilises high temperature sealing materials for raised temperature capability.

The gasket consists of a kammprofile metal core faced with two sealing materials. The inner kamm portion is faced with James Walker’s Centurion X CNAF material and the outer section with DS Pro.

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Insolion G11
Shell TAT Approved

InsoLion G10Following the same highly effective design as the Insolion G10 but using a G11 GRE composite material that extends usage to higher temperatures.

Specifically designed from the outset to meet the industry’s most stringent requirements, Insolion G11 is TAT approved with fugitive emissions performance significantly surpassing the requirements of Shell MESC SPE 85/300 3.3.2 Class A.

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Shell TAT certificate

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Insolion LT

InsoLion LT

The Insolion LT flange insulation kit consists of a Fluolion 800 gasket combined with G10 washers and G10 sleeves.

Fluolion 800 is a structured virgin PTFE filled with barium sulphate, which helps to overcome the creep relaxation and cold flow problems typically associated with skived PTFE sheets and gaskets.

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Insolion GRE

InsoLion GRE

The Insolion GRE gasket consists of a G10 glass reinforced (GRE) carrier with 2 modified PTFE sealing faces.

Proprietary machining of the carrier allows correct location of the sealing faces, with the depth/profile designed to achieve correct compression and groove fill.

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