China Marine B Type Ship Steel Manhole Hatch Cover for Ship, Find details about China Hatch Cover, Marine Hatch Cover from Marine B Type Ship Steel Manhole Hatch Cover for Ship
Marine B type ship steel manhole hatch cover for ship
Product overview
Marine B type ship steel manhole hatch cover for ship is used for manhole on the oil tanks, void tanks and other tanks onboard various ships, it is fixed at flat positions of the hold bottom, deck and bulkhead.
Product drawing
Speicification
Nominal size | Hole | Base plate | Cover plate | No. of bolts | |||||
L | B | L1 | B1 | L2 | B2 | L3 | B3 | ||
4535 | 450 | 350 | 480 | 380 | 550 | 450 | 620 | 520 | 20 |
5040 | 500 | 400 | 530 | 430 | 600 | 500 | 670 | 570 | 22 |
6040 | 600 | 400 | 630 | 430 | 700 | 500 | 770 | 570 | 24 |
6045 | 600 | 450 | 630 | 480 | 700 | 550 | 770 | 620 | 24 |