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Introduction
Feature
Physical Parameter
Items | Index | Test method | |
Ring stiffness | SN8 | ≥8 | GB/T9674-2003 |
SN12.5 | ≥12.5 | ||
SN16 | ≥16 | ||
Impact properties | TIR≤10% | GB/T14152 | |
Peel strength(20°C±5°C)/N/cm | ≥70 |
| |
The ring flexibility | No rupture, no wall off | GB/T9647 | |
Oven test | No stratification, no cracking |
| |
Tensile strength(N) of Polyethlene Connection Interface | ≥1460 | GN/T8804 | |
Creep rate | ≤2 | GB/T18042 | |
| >> Specification and performance indicators | ||||
| DN/ID | Dim.min | emin | el.min | A.min |
| 200 | 198 | 1.50 | 1.10 | 54 |
| 300 | 296 | 2.00 | 1.70 | 65 |
| 400 | 394 | 2.50 | 2.30 | 74 |
| 500 | 492 | 3.00 | 3.00 | 85 |
| 600 | 588 | 3.50 | 3.50 | 96 |
| 800 | 785 | 4.50 | 4.50 | 118 |
| 1000 | 985 | 5.00 | 5.00 | 140 |
| 1200 | 1185 | 5.00 | 5.00 | 162 |


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