China Honeywell High Quality PPR Pipes and Fittings, Find details about China PPR Pipes and Fittings, Pipe and Fitting from Honeywell High Quality PPR Pipes and Fittings
Metric outer dia. dn | Metric wall thickness en | |
S 3.2 | S 2.5 | |
20 | 2.8 | 3.4 |
25 | 3.5 | 4.2 |
32 | 4.4 | 5.4 |
40 | 5.5 | 6.7 |
50 | 6.9 | 8.3 |
63 | 8.6 | 10.5 |
Design pressure Mpa | Level 1 σ d=3.09Mpa | Level 2 σ d=2.13Mpa | Level 4 σ d=3.30Mpa | Level 5 σ d=1.90Mpa |
0.4 | 5 | 5 | 5 | 4 |
0.6 | 5 | 3.2 | 5 | 3.2 |
0.8 | 3.2 | 2.5 | 4 | 2 |
1.0 | 2.5 | 2 | 3.2 | - |
Item | Test parameters | Index | ||
Temperature ºC | Time h | Ring stress Mpa | ||
Longitudinal retraction rate | 135±2 | Wall thickness ≤8 mm is 1 8 mm<wall thickness ≤16 mm is 2 Wall thickness >16 mm is 4 | ≤2% | |
Pendulum impact test | 0±2 | - | Damage rate<10% | |
Hydrostatic test | 20 | 1 | 16.0 | No penetration No breaking |
95 | 22 | 4.2 | ||
95 | 165 | 3.8 | ||
95 | 1000 | 3.5 | ||
Hydrostatic, Thermal stability test | 110 | 8760 | 1.9 | No penetration No breaking |
Note: When the total use (design) coefficient C of the piping system is 1.25, the relationship between the pipe series S and the nominal PN is as follows: |
Pipe series | S 5 | S 4 | S 3.2 | S 2.5 | S 2 |
Metric Pressure MPa | 1.25 | 1.6 | 2.0 | 2.5 | 3.2 |