| Surface roughness | Rtmax | Ra |
| Sliding surface | ≤ 2 µm | 0.05–0.3 µm |
| Groove bottom | ≤ 6.3 µm | ≤ 1.6 µm |
| Groove side | ≤ 15 µm | ≤ 3 µm |
| Bearing area: 50-95% and 0.5 Rz cutting depth (based on Cref = 0%) | ||
| Recommended Size mm | Maximum gap mm | ||||||||
| D/H9 | d/h10 | L/+0.2 | Rmax | C | s* | ||||
| ＞ | ≤ | 20 bar | 100 bar | 200 bar | 400 bar | ||||
| 9 | 25 | D - 4 | 3.5 | 0.4 | 2.0 | 0.25 | 0.12 | 0.10 | 0.07 |
| 15 | 30 | D - 6 | 5.0 | 0.4 | 3.0 | 0.35 | 0.17 | 0.12 | 0.08 |
| 30 | 120 | D - 10 | 8.0 | 0.4 | 4.0 | 0.45 | 0.22 | 0.17 | 0.10 |
| 120 | 200 | D - 15 | 11.5 | 0.4 | 5.0 | 0.75 | 0.40 | 0.33 | 0.18 |
| 200 | 250 | D -20 | 13.0 | 0.4 | 6.0 | 0.87 | 0.48 | 0.38 | 0.20 |
| 250 | 500 | D - 25 | 18.5 | 0.4 | 8.5 | 0.87 | 0.48 | 0.38 | 0.20 |
| 500 | 1600 | D - 30 | 23.0 | 0.4 | 10.0 | 0.87 | 0.48 | 0.38 | 0.20 |
| The extrusion gap values shown in the table above are applicable to temperatures below 70°C. Higher temperatures require lower extrusion gaps. | |||||||||
| Operating parameters | ||||||
| Material | Temperature | Speed | Pressure | |||
| Sealing components | Spring | Minimum °C | Maximum °C | Maximum m/s | Maximum bar (MPa) | |
 PTFE v |
1.4310 | -200 | +260 | 1.0 | 200 (20) | |
 PTFE g |
400 (40) | |||||
 PTFE b |
||||||
 PTFE c |
||||||
 UHMWPE |
+90 | 0.5 | 200(20) | |||
| Ordering example | |
| Introduction | Piston seal ring TK03-S |
| D x d x L [mm] | 100 x 90 x 8 |
| Sealing material | PTFE b / 1.4310 |
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