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CPVC PIPE & FITTINGS
Horizontal and Vertical supports
The fixing clamps used for anchoring the conduit system to structural elements of the building and protecting the pipes against excessive bucking . The fixing clamps are to be firmly mounted ,in order to prevent vibrations and transmission of noise .Spacing of such clamps depends on the temperature of conveyed medium and diameter of conduit.
Horizontal and Vertical supports |
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| SPACING | |||||||||
| Nominal pipes | 21 C (70 F) | 49C(120 F) | 71C(160F) | 82 C(180 F) | |||||
| In | mm | FT | (cm) | FT | (cm) | FT | (cm) | FT | (cm) |
| 1/2" | 15 | 5.5 | 167.70 | 4.5 | 137.68 | 3.0 | 91.44 | 2.5 | 76.20 |
| 3/4" | 20 | 5.5 | 167.70 | 5.0 | 152.40 | 3.0 | 91.44 | 2.5 | 76.20 |
| 1" | 25 | 6.0 | 182.88 | 5.5 | 167.70 | 3.5 | 106.88 | 3.5 | 91.44 |
| 11/4" | 32 | 6.5 | 198.12 | 6.0 | 182.88 | 3.5 | 106.88 | 3.5 | 106.88 |
| 11/2" | 40 | 7.0 | 213.36 | 6.0 | 182.88 | 3.5 | 106.88 | 3.5 | 106.88 |
| 2" | 50 | 7.0 | 213.36 | 6.5 | 198.12 | 4.0 | 121.92 | 3.5. | 106.88 |
| Nominal bore | Outter diameter (d)in mm | SDR-11 | SDR-13.5 | ||||||||
| Wall thickness (T) (mm) | Work pressure at 23 C 83 C | Wall thickness (T) (mm) | Work pressure at 23 C 83 C | ||||||||
| In | mm | Average | Tolerance | Minimum | Tolerance | kg/cm3 | Minimum | Tolerance | kg/cm3 | ||
| 1/2" | 15 | 15.90 | +/-0.08 | 1.73 | +0.51 | 28.10 | 7.0 | 1.40 | +0.51 | 22.50 | 5.6 |
| 3/4" | 20 | 22.20 | +/-0.08 | 2.03 | +0.51 | 28.10 | 7.0 | 1.65 | +0.51 | 22.50 | 5.6 |
| 1" | 25 | 28.60 | +/-0.08 | 2.59 | +0.51 | 28.10 | 7.0 | 2.12 | +0.51 | 22.50 | 5.6 |
| 11/4" | 32 | 34.90 | +/-0.08 | 3.18 | +0.51 | 28.10 | 7.0 | 2.59 | +0.51 | 22.50 | 5.6 |
| 11/2" | 40 | 41.30 | +/-0.10 | 3.79 | +0.51 | 28.10 | 7.0 | 3.06 | +0.51 | 22.50 | 5.6 |
| 2" | 50 | 54.00 | +/-0.10 | 4.90 | +0.58 | 28.10 | 7.0 | 4.0 | +0.58 | 22.50 | 5.6 |
