Paper Industry
Carbon Filled Teflon Seal Ring — Custom rotary-joint diameters and sections
The heart of the rotary joint, manufactured from carbon filled Teflon offering more wear resistance than ordinary carbon seal rings with far less chance of bulging and breakage.
Technical specifications
| Dimensional availability | Custom rotary-joint diameters and sections |
|---|---|
| Tolerances | Machined fit and face finish to approved drawing |
| Available grades | 25% Carbon-filled PTFE, Graphite-filled PTFE, Virgin PTFE on request |
| 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 Carbon Filled Teflon Seal Ring?
25% Carbon-filled PTFE, Graphite-filled PTFE, Virgin PTFE on request are available subject to size, quantity and service requirements.
Can Carbon Filled Teflon Seal Ring be manufactured to a drawing?
Yes. Machined fit and face finish 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.