High quality upper extension for sewage manholes with longer life span and the advantage of preventing leakage, made of polyethylene using the rotational molding.
No. | DN (mm) | Width (mm) | Length (mm) | Load |
01-1380 | 600 | 600 | 200 | 5 Tons |
01-1383 | 600 | 600 | 400 | 5 Tons |
01-1385 | 600 | 600 | 600 | 5 Tons |
01-1387 | 600 | 600 | 800 | 5 Tons |
01-1389 | 600 | 600 | 1000 | 5 Tons |