 1. Inside diameter (I.D) |
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| 2. Effective diameter = (O.D + I.D) / 2 |
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| 3. Outside diameter (O.D) |
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| 4. Type-E fitting (other types available) |
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| 5. Convolution |
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| 6. Pitch |
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| 7. Free length |
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| 8. Total length |
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| 9. Span = (O.D - I.D) / 2 |
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| * Effective area = (O.D2 + I .D2) * pi / 800 |