Nutring aus PUR (9011) mit symmetrischen Dichtlippen und einem X-Ring als Druckverstärker. Maximaler Druck 400 bar, maximale Gleitgeschwindigkeit 0.5 m/s, Temperaturbereich von -30° bis +100°C.
Operating conditions |
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Media | Mineral Oils (DIN 51524) | HFA and HFB | HFC |
Temperature | -30°C + 100°C | +5°C + 50°C | -30°C + 40 °C |
Pressure | <=400 bar | <=400 bar | <=400 bar |
Speed | <=0,5 m/s | <=0,5 m/s | <=0,5 m/s |
Note: The above data are maximum values, they may only be maintained for short periods of time and cannot be used at the same time simultaneously. |
Surface roughness |
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| Ra | Rmax |
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Sliding Surface | <=0,4 µm | <=3,2 µm |
Groove Base | <=1,6 µm | <=10 µm |
Groove Flanks | <=3,2 µm | <=16 µm |
Maximum permissible sealing gap - S (mm) |
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Cross-section = (D-d)/2 | 150 bar | 250 bar | 400 bar |
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<=5 | 0,30 | 0,20 | 0,15 |
>5 | 0,35 | 0,25 | 0,20 |
Note: The largest sealing gap value occurring on the non-pressurized side of the seal does have a vital importance for the function of the seal and in this respect it is very important to use an S value lower than the above indicated numbers. |
Hardware tolerances |
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Dimension | Ød | ØD | L |
Tolerance | f8 (rod) / h9 (piston) | H10 | +0,2/-0 mm |