Specialized Items
PTFE Teflon Balls — 6, 10, 16, 25 and 50 mm standard; custom diameters
Precision PTFE balls in 6 mm, 10 mm and 16 mm dia as standard and any size on request, mainly used in liquid ring vacuum pumps.
Technical specifications
| Dimensional availability | 6, 10, 16, 25 and 50 mm standard; custom diameters |
|---|---|
| Tolerances | Diameter tolerance to application and approved drawing |
| 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 Balls?
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 Balls be manufactured to a drawing?
Yes. Diameter tolerance to application and 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.