MODEL TYPE OF MANHOLE COVERS,FRAMES
(CAST IRON , DUCTILE IRON)
 
| Model No. | SIZE | Pressure | Frame High | Weight | Note | ||
| Frames | Covers | Ductile | Cast Iron | ||||
| (mm) | (mm) | (mm) | (KG) | (KG) | |||
| 850A | 850 X 850 | Dia. 648 | D400 | 100 | 60 | ** | Out Square with Inner Circle |
| 850B | Dia.850 | Dia.648 | D400 | 100 | 58 | ** | Circle |
| 700A | 700 X 700 | 634 X 634 | D400 | 75 | 65 | ** | Square |
| 700B | 726 X 726 | 644 X 644 | C250 | 60 | 48 | ** | Square |
| 700C | 726 X 726 | 644 X 644 | B125 | 30 | 35 | ** | Rectangle |
| 680A | 800 X 600 | 762 X 558 | D400 | 80 | 88 | ** | Rectangle |
| 680B | 800 X 600 | 764 X 560 | C250 | 60 | 58 | ** | Rectangle |
| 680C | 800 X 600 | 766 X 562 | B125 | 50 | 42 | ** | Square |
| 600A | 616 X 616 | 537 X 537 | C250 | 45 | 35 | ** | Square |
| 600B | 616 X 616 | 537 X 537 | B125 | 30 | 26 | ** | Square |
| 600C | 600 X 600 | 530 X 530 | D400 | 80 | 56 | ** | Square |
| 500A | 500 X 500 | 432 X 432 | D400 | 75 | 40 | ** | Square |
| 500B | 520 X 520 | 438 X 438 | C250 | 48 | 23 | ** | Square |
| 500C | 500 X 500 | 430 X 430 | B125 | 40 | 18 | ** | Square |
| 800A | 800 X 800 | 728 X 728 | D400 | 80 | 88 | ** | Square |
| 800B | 814 X 814 | 736 X 736 | C250 | 55 | 58 | ** | Square |
| 800C | 800 X 800 | 752 X 752 | B125 | 53 | 42 | ** | Square |
| 900 | 920 X 920 | 838 X 838 | D400 | 80 | 120 | ** | Square |