PE
SUB - DUCT shall be made of high molecular weight high-density polyethylene,
containing 2% of carbon black circular in cross section.
The dimensions of PE SUB - DUCT is shown in Table-1. The dimension
of PE SUB - DUCT shall be measured by the method shown in Fig. 1 |
Table-1.
Dimensions of PE SUB - DUCT
SIZE
(mm)
|
Outer Diameter |
Inner Diameter Nominal (mm) |
Wall Thickness |
Standard (mm)
|
Tolerance (mm) |
Nominal (mm) |
Tolerance (mm) |
| Ø 30 |
31.0 |
+ 0.3 |
26.8 |
2.1 |
+ 0.2 |
| Ø 33 |
33.0 |
+ 0.3 |
28.0 |
2.5 |
+ 0.3 |
| Ø 35 |
34.8 |
+ 0.3 |
29.8 |
2.5 |
+ 0.3 |
|
