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marine manhole cover
Used for the ship watertight and oil tight manhole cover
With reasonable price and good in quality
Smooth surface without cracks
Good wear and corrosion resistance,never rust
To meet ISO9001;2000
Can issued BV CCS ect certificate
TYPE:GB11628-89 A
hole size | L1 | B1 | R | S | S1 | bolt | weight(Kg) | |
L X B | diameter | quantity | ||||||
450*350 | 620 | 520 | 260 | 4 | 4 | M20 | 20 | 22.3 |
6 | 4 | 28.9 | ||||||
8 | 6 | 35.7 | ||||||
10 | 8 | 43.7 | ||||||
500*400 | 670 | 570 | 285 | 6 | 4 | 20 | 31.5 | |
8 | 6 | 40.5 | ||||||
10 | 8 | 49.5 | ||||||
12 | 10 | 58.3 | ||||||
600*400 | 770 | 570 | 285 | 8 | 6 | 24 | 46.8 | |
10 | 8 | 57.1 | ||||||
12 | 10 | 67.3 | ||||||
14 | 12 | 77.4 | ||||||
600*450 | 770 | 620 | 310 | 8 | 6 | 24 | 49.1 | |
10 | 8 | 60 | ||||||
12 | 10 | 70.8 | ||||||
14 | 12 | 81.5 | ||||||
16 | 4 | 82.2 |
TYPE:GB11628-89 B
hole size | L1 | B1 | R | S | bolt | weight(Kg) | |
L X B | diameter | quantity | |||||
450*350 | 620 | 520 | 260 | 4 | M20 | 20 | 28.77 |
6 | 33.63 | ||||||
8 | 36.83 | ||||||
10 | 40.84 | ||||||
500*400 | 670 | 570 | 285 | 6 | 20 | 37.62 | |
8 | 42.39 | ||||||
10 | 47.06 | ||||||
12 | 51.93 | ||||||
600*400 | 770 | 570 | 285 | 8 | 24 | 48.67 | |
10 | 54.3 | ||||||
12 | 59.94 | ||||||
14 | 65.58 | ||||||
600*450 | 770 | 620 | 310 | 8 | 24 | 51.61 | |
10 | 57.65 | ||||||
12 | 63.69 | ||||||
14 | 69.73 | ||||||
16 | 75.77 |
TYPE:GB11628-89 C
hole size | D1 | S | bolt | weight(Kg) | |
L X B | diameter | quantity | |||
450 | 620 | 4 | M20 | 20 | 32.03 |
6 | 36.64 | ||||
8 | 41.25 | ||||
10 | 46.04 | ||||
12 | 50.66 | ||||
600 | 670 | 6 | 26 | 50.32 | |
8 | 57.52 | ||||
10 | 64.92 | ||||
12 | 72.05 | ||||
14 | 79.79 |
TYPE:GB11628-89 D
hole size | L1 | B1 | R | B2 | B | S | bolt | bolt | weight(Kg) | ||
L X B | diameter | quantity | diameter | quantity | |||||||
530*430 | 710 | 610 | 752 | 652 | 250 | 10 | M20 | 20 | M16 | 2 | 116.89 |
12 | 121.6 | ||||||||||
630*430 | 810 | 610 | 852 | 652 | 250 | 10 | 24 | 136.1 | |||
12 | 141.1 | ||||||||||
630*480 | 810 | 660 | 852 | 702 | 275 | 10 | 24 | 137.6 | |||
12 | 143.7 |
TYPE:GB11628-89 E
hole size | L1 | B1 | L2 | B2 | R | S | bolt | weight(Kg) | |
L X B | diameter | quantity | |||||||
530*430 | 656 | 556 | 698 | 598 | 250 | 14 | M20 | 20 | 73.02 |
18 | 81.5 | ||||||||
630*430 | 756 | 556 | 798 | 598 | 250 | 14 | 24 | 83.17 | |
18 | 93.4 | ||||||||
630*480 | 756 | 606 | 798 | 648 | 275 | 14 | 24 | 89.67 | |
18 | 98 |
If you have anything ,pls contacte with me feel free
marine manhole cover GB11628-89