PTFE Envelope Milled To Suit 1.5mm Thick Fillers

Polytetrafluoroethylene (PTFE) envelope gaskets provide excellent sealing in corrosive environments. PTFE envelope gaskets are available in standard sizes and configurations, as well as custom sizes upon request. PTFE envelope gaskets are available slit (v-type) or milled (square cut) with a variety of materials available for fillers. Corseal can manufacture the envelope gaskets required for your unique situation. Call us today for a detailed quote.
PTFE Envelope Gaskets

Corseal are able to make ring, full face, V Type, and square cut, channel, formed, elliptical, and other specially shaped envelope gaskets using PTFE a unique fluoropolymer with excellent chemical resistance.

Uses for Teflon and PTFE Envelope Gaskets:

  • General Purpose Glass Lined Equipment
  • Pharmaceutical High Purity
  • Piping Service
  • Glass Lined Vessels
  • Distilation Columns
  • Food and Chemical Industries
  • Sizes: 1/2 to 24"


  • Non-asbestos Elastomers
  • Corrugated Metals (with and without tabs)
  • Flexible
  • Graphite
  • Rubbers

All sizes will fit asa150, pn16 flanges


Gaskets are priced each


You will need to choose your choice of insert from materials on other pages, and please let us know if you would like them fitted as a complete gasket, will will do this free of charge!

Priced per envelople only.

Additional carriage charges will apply for Northern Ireland, Republic of Ireland,                                                                                                                      Channel Islands, Isle of Man, Scottish Highlands, Islands and rest of the world.

Please contact us for details