Pipe Sizes Sdr: 18
Thermoplastic pipe dimensions by SDR (Standard Dimension Ratio) — OD, ID, wall thickness for HDPE, PVC, CPVC per ASTM D3035/D2241
| nominal size | sdr | id in (in) | id mm (mm) | materials | od in (in) | od mm (mm) | pressure hdpe pe4710 psi (psi) | wall thickness in (in) | wall thickness mm (mm) |
|---|---|---|---|---|---|---|---|---|---|
| 18 | 11 | 14.727 | 374.1 | HDPE | 18 | 457.2 | 160 | 1.6364 | 41.56 |
| 18 | 13.5 | 15.333 | 389.5 | HDPE | 18 | 457.2 | 128 | 1.3333 | 33.87 |
| 18 | 15.5 | 15.677 | 398.2 | HDPE | 18 | 457.2 | 110 | 1.1613 | 29.5 |
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