| Nominal Size (mm) | Maximum Outside Diameter (mm) | Tolerance Of Outside Diameter (mm) | Minimum Internal Diameter (mm) | ||
|---|---|---|---|---|---|
| Light Mechanical Stress(LMS) | Medium Mechanical Stress(MMS) | Heavy Mechanical Stress(HMS) | |||
| 16 | 16 | -0.3 | 13.7 | 13.0 | 12.2 |
| 20 | 20 | -0.3 | 17.4 | 16.9 | 15.8 |
| 25 | 25 | -0.4 | 22.1 | 21.4 | 20.6 |
| 32 | 32 | -0.4 | 28.6 | 27.8 | 26.6 |
| 40 | 40 | -0.4 | 35.8 | 35.4 | 34.4 |
| 50 | 50 | -0.5 | 45.1 | 44.3 | 43.2 |
| Nominal Size (mm) | ||||
|---|---|---|---|---|
| Dielectric Strength | No breakdown even at 2000V | |||
| Insulation Resistance | Resistance above 100 megaohm | |||
| Mechanical Strength | ||||
|---|---|---|---|---|
| Resistance to crushing | Excellent | |||
| Rigidity | Excellent | |||
| Compression Results | Excellent | |||
| Bending | ||||
|---|---|---|---|---|
| Efficient flexibility |
| Heat Resistant | ||||
|---|---|---|---|---|
| No Deformation |
| Combustion Resistant | ||||
|---|---|---|---|---|
| Very strong against H.D.flame |
Nirmaan pipes can be used in several applications as mentioned below:
Under concrete embedment for internal wiring
Application in external wiring as a substitute to trunks
Used in all kinds of buildings as wiring protection
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