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SQUARE CAST IRON / DUCTILE IRON MANHOLE COVER, CLASS A15,B125,C250,D400
| Speclification(mm) | Base Size(mm) | Clear opening(mm) | Depth of frame(mm) | Depth of insertion(mm) |
| DT600 | 750X750 | 600 | 100 | 80 |
| DT600H | 750X750 | 600 | 150 | 80 |
| DT675 | 825X825 | 675 | 100 | 80 |
| DT675H | 825X825 | 675 | 150 | 80 |
| DT75X60 | 750X600 | 600 | 100 | 80 |
| DT90X60 | 1050X750 | 600 | 100 | 80 |
| DT1220 | 1370X850 | 675 | 100 | 80 |
| DT1220H | 1370X850 | 675 | 150 | 80 |
TAWIL-Taiyuan Water Industrial Co.,Ltdtel:0086 351 7239569
fax:0086 351 7233885
Sincerely look forward to your support and co-operation!
double triangular manhole cover&frames