FEP Lined Items
FEP/PFA Lined Protector Ring — Standard flange sizes; 3 mm lining on both sides
M.S. protector rings with 3 mm thick FEP/PFA lining on both sides, produced in standard sizes for chemical industry flange protection.
Technical specifications
| Dimensional availability | Standard flange sizes; 3 mm lining on both sides |
|---|---|
| Tolerances | Ring dimensions and lining thickness to approved drawing |
| Available grades | Virgin PTFE, FEP, PFA, Glass-filled PTFE where specified |
| ASTM test references | ASTM D4894, ASTM D4745 |
Final dimensions, tolerances and material grade are confirmed against your drawing and service conditions.
Interactive product model
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Buyer questions
Which grades are available for FEP/PFA Lined Protector Ring?
Virgin PTFE, FEP, PFA, Glass-filled PTFE where specified are available subject to size, quantity and service requirements.
Can FEP/PFA Lined Protector Ring be manufactured to a drawing?
Yes. Ring dimensions and lining thickness to approved drawing. 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.