Specialized Items
PTFE Teflon Gasket — ANSI B16.21 and DIN flange sizes; Class 150/300; custom thicknesses and profiles
Gaskets and seals delivering excellent purity, low seating stress and reduced creep or cold flow, produced in all standard ANSI flange sizes plus welded one-piece construction.
Technical specifications
| Dimensional availability | ANSI B16.21 and DIN flange sizes; Class 150/300; custom thicknesses and profiles |
|---|---|
| Tolerances | Cut profile and thickness to approved drawing; CNC work available to ±0.05 mm where applicable |
| Available grades | Virgin PTFE, 15% Glass-filled PTFE, 25% Glass-filled PTFE, 25% Carbon-filled PTFE, Bronze-filled PTFE |
| ASTM test references | ASTM D4894, ASTM D4745 |
Final dimensions, tolerances and material grade are confirmed against your drawing and service conditions.
Interactive product model
Buyer questions
Which grades are available for PTFE Teflon Gasket?
Virgin PTFE, 15% Glass-filled PTFE, 25% Glass-filled PTFE, 25% Carbon-filled PTFE, Bronze-filled PTFE are available subject to size, quantity and service requirements.
Can PTFE Teflon Gasket be manufactured to a drawing?
Yes. Cut profile and thickness to approved drawing; CNC work available to ±0.05 mm where applicable. Final tolerances are confirmed during quotation.
What is the continuous operating temperature of PTFE?
Virgin PTFE is commonly specified for continuous service from approximately -200°C to +260°C. Actual limits depend on load, pressure, filler grade and the process medium.
Selecting a filled grade? Read our PTFE vs Teflon engineering guide.