Features
1, strong pressure resistance
2, impact resistance
3, the ring stiffness is high
4, the fluid resistance is small, the transmission efficiency is high
5, light weight, easy installation and maintenance
6, good sealing
7, long service life
The main purpose
1. All kinds of domestic wastewater and sewage discharge outside the building
2. Municipal facilities drainage project
3. Buried non-pressure farmland drainage
Pipe performance index
Ring stiffness | SN2 | ≥2kN/㎡ |
SN4 | ≥4kN/㎡ | |
SN8 | ≥8kN/㎡ | |
SN16 | ≥16kN/㎡ | |
Impact performance | TIR≤10% | |
Ring flexibility | The sample is smooth, no reverse bending, no cracking, no separation of the two walls | |
Connection seal test | Not leaking | |
Oven test | No delamination No cracking | |
Creep rate | ≤2.5 |
Standardsizes GB/T18477-2007 Unit: mm
Nominal outer diameter | Minimum average inner diameter | Ring stiffness |
200 | 172 | SN2≥2kN/㎡ |
315 | 270 | |
400 | 340 | |
500 | 432 |