FEP Lined Items
FEP Lined Flush Bottom Valve — Standard vessel outlets; ANSI Class 150 body; 3–5 mm virgin FEP lining; long spindle option; spark tested at 20 kV
Flush bottom valves with reversible glass filled Teflon seat and 3 mm lining, also available with long spindle and long seat proven in batch taking and discharge.
Technical specifications
| Dimensional availability | Standard vessel outlets; ANSI Class 150 body; 3–5 mm virgin FEP lining; long spindle option; spark tested at 20 kV |
|---|---|
| Tolerances | Seat and flange dimensions 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 Lined Flush Bottom Valve?
Virgin PTFE, FEP, PFA, Glass-filled PTFE where specified are available subject to size, quantity and service requirements.
Can FEP Lined Flush Bottom Valve be manufactured to a drawing?
Yes. Seat and flange dimensions 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.