Outdoor Sewer Covers
Material : Ductile Iron GGG500-7
Standard : EN124
Standard : EN124
Certification : ISO9001:2008
Pressure:B125 C250 D400
There are some specifications of outdoor drain manhole covers and grates for your reference.
| ITEM NO. | INNER DIAMETER(mm) | OUTER DIAMETER(mm) | HEIGHT(mm) | WEIGHT(KG) | PN(KN) |
| HL0539-1 | 670 | 855 | 60 | 47 | B125 |
| HL0539-2 | 600 | 850 | 100 | 58 | C250 |
| HL0539-3 | 650 | 850 | 70 | 58 | C250 |
| HL0539-4 | 750 | 1000 | 70 | 82 | C250 |
| HL0539-5 | 850 | 1100 | 190 | 138 | D400 |
| HL0539-6 | 650 | 880 | 100 | 75 | D400 |
| HL0539-7 | 600 | 850 | 100 | 62 | D400 |
Baoding Hualong Casting Co.Ltd are a leading exporter of manhole covers ,spceialized in the line of iron casting for 20 years. Most of our products are sold well to Europe and Oceania.