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PTFE envelope gasket with a white PTFE jacket over a CNAF filler core for corrosive chemical flange joints
  • ISO Certified
  • Leak Tested
  • Pan-India Delivery
Sealing Solutions · Gaskets

PTFE & Envelope Gaskets

Chemically inert gaskets for acid, alkali and solvent lines.

Price on requestDepends on size & material — get an exact quote in under 1 hour.
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Technical Specifications

MaterialVirgin PTFE / Expanded PTFE
InsertCNAF / Rubber (envelope type)
TemperatureUp to 250°C
Size15 NB – 600 NB
StandardANSI / DIN / Custom
ColourWhite

Specifications are indicative. Custom sizes, materials and designs are available on request.

Typical Applications

  • Glass-lined equipment
  • Acid pipelines
  • Pharma process lines

Not sure it fits your pump?

Send us a photo of your existing seal or pump nameplate and we’ll confirm the correct size.

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Not sure which seal or pump you need?

Send a photo of your old part or pump nameplate — our engineers will suggest the exact match with price, free of charge.

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