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Face Seal Design Guide
'Face Seal' styled O-ring grooves are some of the most commonly used O-ring sealing configurations due to their simplicity and ease of assembly.
The purpose of the tables below are to serve as a design guide for Face Seal O-ring grooves using all AS568 O-ring sizes*.
* Please note that some AS568-0XX O-rings have atypical cross sections. Please see our General Groove Guide for more information, or feel free to get in touch with our engineers if you have any questions.
Canyon Components O-Ring Face Seal Design Guide with detailed dimensions, tolerances, and installation guidelines for Kalrez®, Canrez®, Chemraz®, and Parker® O-rings.
Surface Finish X: 32 RMS for liquids, 16 RMS for vacuum and gases
| DASH # RANGE | O-RING CROSS SECTION | GLAND DEPTH (D) | SQUEEZE | GLAND WIDTH (W) | GLAND CORNER RADIUS | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AS568 | Nominal (in) | Nominal (in) | Actual (in) | Percent | Liquids (in) | Vacuum & Gases (in) | R1 (in) | R2 (in) | |||||
| -004 through -050 | 0.070 ± 0.003 | 0.050 - 0.054 | 0.013 - 0.023 | 19 - 32 | 0.101 - 0.107 | 0.084 - 0.089 | 0.01 | 0.005 | |||||
| -102 through -178 | 0.103 ± 0.003 | 0.074 - 0.080 | 0.020 - 0.032 | 20 - 30 | 0.136 - 0.142 | 0.120 - 0.125 | 0.01 | 0.005 | |||||
| -201 through -284 | 0.139 ± 0.004 | 0.101 - 0.107 | 0.028 - 0.042 | 20 - 30 | 0.177 - 0.187 | 0.158 - 0.164 | 0.018 | 0.005 | |||||
| -309 through -395 | 0.210 ± 0.005 | 0.152 - 0.162 | 0.043 - 0.063 | 21 - 30 | 0.270 - 0.290 | 0.239 - 0.244 | 0.028 | 0.005 | |||||
| -425 through -475 | 0.275 ± 0.006 | 0.201 - 0.211 | 0.058 - 0.080 | 21 - 29 | 0.342 - 0.362 | 0.309 - 0.314 | 0.028 | 0.005 | |||||
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