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Description
A resilient fibre material encased in a thin cover of PTFE. The resulting gasket combines the inertness of virgin PTFE with the mechanical properties of the compressed fibre sheet.
James Walker supplies three envelope designs: Fin Type; Machined Square Type; and Folded Tape Type.
Typical applications
Flanged joints handling highly aggressive fluid media that would otherwise swiftly destroy the integrity of other materials. Often used with soft insert material on glass-lined pipework systems. Also used in food processing, where cleanliness and non-contamination are essential.
Fin Type
Machined Square Type
Folded Tape Type
Materials
Covers: virgin Fluolion® PTFE.
Inserts: compressed non-asbestos fibre, synthetic rubber-proofed woven cloth, and lamninated combinations of these.
Service capability
Maximum temperature: typically +260°C for PTFE (which is usually lower than the insert material).
Minimum temperature: -80°C.
Maximum pressure: typically 64bar.
How supplied
Custom made to suit all standard flanges and and non-standard shapes.
Click here to download the Gaskets & Jointings guide pdf (1.58MB)
