Envelope Seal Type III PTFE Gasket With Fillers

The PTFE Envelope Type III Tri-Clamp Gaskets offer two different inserts for your applications

Size Part# Gasket I.D. Gasket O.D. Bead Center

Additional Specs

  • Buna N (40MPFU-XXX)
  • FKM Fluoroelastomer (40MPFSFY-XXX)
  • Platinum Silicone (40RXPX-F-XXX)
  • Tuf-Steel® (40MPG-TS-F-XXX) * on a custom basis
  • Metal Detectable/X-Ray Inspectable (Consult Factory)
  • Buna N (40MPU-XXX)
  • EPDM (40MPE-XXX)
  • FKM Fluorelastomer (40MPSFY-XXX)
  • Platinum Silicone (40RXPX-XXX)
  • PTFE (40MPG-XXX)
  • Tuf-Steel® (40MPG-TS-XXX)
  • Tuf-Flex® (A40MPGR-TF-XXX)
  • Detectomers® (40MATERIAL-XR-XXX)
*XXX=Size Designation
*Type II Flanged sizes 6″-12″(the P is replaced with O)
Please refer to the Part Numbering links on this page for complete part numbering details
Rubber Fab’s 1/2″-4″ Type II Flanged gaskets are:
  • FDA CFR 177.2600
  • FDA CFR 177.1550
  • U.S. Pharmacopeia Class VI Certification
  • ADI Free® (Animal Derived Ingredient Free) certified
  • Manufactured according to cGMP Guidelines
*Buna N is not USP Class VI or ADI Free