AS 9100B
ISO 9001:2008
ITAR REGISTERED & CERTIFIED
| General Hardware Surface Finish Recommendations |
Surface Finish | |
| Dynamic Surface | Static Surface | |
| Cryogenic Gases, Helium, Hydrogen, Freon | 2-6 RMS | 4-8 RMS |
| Air, Nitrogen Gas, Argon Gas, Natural Gas, Fuels |
6-12 RMS | 12-32 RMS |
| Water, Hydraulic Oil, Crude Oil, Sealants | 12-16 RMS | 16-32 RMS |
Please consult the factory for dynamic hardware hardness recommendations.
Note: The "lay" of surfaces for the static face seals must be concentric in orientation to ensure sealing.