Standard :GB/T19472.2-2019, BS EN 13476.2 2018
Ring stiffness:SN4, SN8,SN12.5.
Size:DN200~2200mm
Length:6meter or customization.
Color:black inside and out side,other color customization accepted.
Features
l High strength, good compression and impact resistance;
l Good resistance to settlement and low requirements for basic technical treatment;
l Smooth inner wall, low friction, strong water permeability;
l Using electric heating fusion tape connection, heat shrink tape connection, or rubber ring socket connection, the joint has no leakage, good corrosion resistance, and is not easily contaminated or corroded;
l Lightweight, easy to transport, convenient for construction, no need for large equipment, and low overall engineering cost;
l The product materials are environmentally friendly, non-toxic, pollution-free, and recyclable;
Application:
l Municipal engineering rainwater and sewage discharge
l Industrial and agricultural rainwater and sewage discharge
l water conservancy project
l highway engineering
l electrical engineering
l Salt water engineering
l Golf course, Sports field drainage
l Ventilation system inside mines and buildings
Mechanical properties BS EN 13476.2 2018
NO. | Item | Requirements | Testing method |
1 | Ring stiffness KN/m2 | SN4 | ≥4 | EN ISO 9969 |
SN8 | ≥8 |
SN12.5 | ≥12.5 |
2 | Ring flexibility 30 % of Dem | No cracking | EN ISO 13968 |
3 | longitudinal reversion | ≤3% no delamination cracks or bubbles | EN ISO 2505 |
4 | Impact strength at0°Ca(Round the clock method)dim max ≤ 1 200 | TIR≤10% | EN ISO 3127 |
5 | Impact strength at 0°C f d im max > 1 200 | Meet BS EN 13476.2 2018 Annex K | BS EN 13476.2 2018 Annex K |
6 | Creep ratio | ≤4 | EN ISO 9967 |
7 | Sealing experiment of connecting parts | No leakage | ISO 13259 |
8 | Tensile strength of seam | Shall conform to BS EN 13476.2 2018 :9.1.3 | EN ISO 13262 |
Specification Ring stiffness:4KN/㎡, 8KN/㎡,12.5KN/㎡

DN/ID mm | Di min mm |
| DN/ID mm | Dim min mm |
200 | 195 |
| 1200 | 1185 |
300 | 294 |
| 1300 | 1285 |
400 | 392 |
| 1400 | 1385 |
500 | 490 |
| 1500 | 1485 |
600 | 588 |
| 1600 | 1585 |
700 | 673 |
| 1700 | 1685 |
800 | 785 |
| 1800 | 1785 |
900 | 885 |
| 1900 | 1885 |
4000 | 985 |
| 2000 | 1985 |
1100 | 1085 |
| 2200 | 2185 |