SKF PTB
SKF Rod Seal
Material codes Sealing ring: U-1003 X-ring: A-8501 Pressure Up to 400 bar (5 800 psi) Speed Up to 1 m/s … Read more
Type: PTB
Brand: SKF
PTB seals are SKF reinforced U-cup stem seals made from TPU.
They are suitable for pressures up to 400 bar (5 800 psi) in medium-duty
appllications and are available in metric sizes
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| Material codes | Sealing ring: U-1003 X-ring: A-8501 |
| Pressure | Up to 400 bar (5 800 psi) |
| Speed | Up to 1 m/s (3.2 ft/s) |
| Temperature range |  |
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Seals may be exposed to extreme low temperatures (e.g. Seals can be damaged by cold start-up, but their performance could be compromised. |
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Seal performance is affected by system design at temperatures below the recommended operating temperature range (precision guiding arrangement suggested). |
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Temperature range recommended for this material and profile |
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Temperatures higher than the recommended operating range are acceptable with reduced speed, pressure, and e-gap, or with the use of an anti-extrusion full-face ring. |
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Only occasional exposure to extreme high temperatures (e.g. The cylinder is in the curing oven for a powder coating process. |
