Marine Flat Manhole Cover:
Marine Flat Manhole Cover:
Standard: CB/T19-2001
Marine Manhole Cover is used for manhole on the oil tanks, water tanks, voil tanks and other tanks on various shipes. It is fixed on the falt positions on the hold bottom, deck and bulkhead.There are Type A,B,C & D. The shape can be round, oval, square.
Technical data:
| Model | Nominal Size | L | L1 | L2 | B | B1 | B2 | S | Bolt | Weight | |
| LxB | Diamter | Quantity | kgs | ||||||||
| B1 | 450x350 | 450 | 470 | 570 | 350 | 370 | 470 | 4 | M20 | 16 | 28.9 |
| 6 | 33.8 | ||||||||||
| 8 | 37.2 | ||||||||||
| 10 | 41.2 | ||||||||||
| 600x400 | 600 | 630 | 720 | 400 | 420 | 520 | 8 | 20 | 49.5 | ||
| 10 | 55.6 | ||||||||||
| 12 | 61.2 | ||||||||||
| 14 | 67.6 | ||||||||||
| 800x600 | 800 | 820 | 920 | 600 | 620 | 720 | 12 | 26 | 67.2 | ||
| 14 | 75.2 | ||||||||||
| 16 | 82.8 | ||||||||||
| 18 | 89.9 | ||||||||||
| B2 | 800x400 (Oval) | 800 | 830 | 930 | 400 | 430 | 530 | 12 | 24 | 56.8 | |
| 14 | 63.2 | ||||||||||
| 16 | 69.2 | ||||||||||
| 18 | 76.2 | ||||||||||
