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| | | LiAiai.iujii.im | | |
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| | | There are many factors to take into consideration when selecting a seal design according to the application and operating conditions. PEER seals are manufactured to precise tolerances. To assure the necessary press fit see the tables below. Note that the tolerances in these tables apply to ferrous materials only. Because non-ferrous materials have a higher rate of thermal expansion please contact the PEER engineering department for further assistance. | | |
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| | | Seal Width Tolerances | | |
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| | | | | | | | | | | | Width Range | Tolerance | | | | Inch | All | +/-0.015 | | | | Metric | Upto 10 | +/- 0.20 | | | | Over 10 | +/- 0.30 | | | | | | | | | | |
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| | | Seal O.P. Tolerances | | |
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| | | | | | | | | | | | | Bore Diameter - Inch | Nominal Press-Fit | O.D. Tolerance | | | | Metal O.D. | Rubber O.D. | Metal O.D. | Rubber O.D.* | | | | Up to 1.000 | +0.004 | +0.006 | +/- 0.002 | +/- 0.003 | | | | 1.001 to2.000 | +0.004 | +0.007 | +/- 0.002 | +/- 0.003 | | | | 2.001 to 3.000 | +0.004 | +0.008 | +/- 0.002 | +/- 0.003 | | | | 3.001 to 4.000 | +0.005 | +0.010 | +/- 0.002 | +/- 0.004 | | | | 4.001 to 6.000 | +0.005 | +0.010 | +0.003 / -0.002 | +/- 0.004 | | | | 6.001 to 8.000 | +0.006 | +0.010 | +0.003 / -0.002 | +/- 0.004 | | | | 8.001 to 10.000 | +0.008 | +0.010 | +0.004 / -0.002 | +/- 0.004 | | | | 10.001 to 20.000 | +0.008 | +0.010 | +0.006 / -0.002 | +/- 0.004 | | | | 20.001 to 40.000 | +0.008 | +0.010 | +0.008 / -0.002 | +/- 0.004 | | | | 40.001 to 60.000 | +0.008 | +0.010 | +0.010/-0.002 | +/- 0.004 | | | | | | | | | | | | |
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| | | * Rubber covered seals using materials other than Nitrile may require different tolerances to be agreed upon between PEER and the end-user. | | |
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