Marine Sunk Manhole Cover Type D
Product Description
Marine Sunk Manhole Cover Type D:
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.
*Manhole Cover Type D is Marine Sunk Manhole Cover.And in GB11628-89, it is Type E.
Main Material:
Cover: Carbon Steel Q235
Coaming: Carbon Steel Q235
Seal Ring: NBR
Bolt, Nut, Washer: Stainless Steel, Caron Steel , Copper
Main Size List(mm):
| Model | Nominal Size | L | L1 | L2 | B | B1 | B2 | S | Bolt | Weight | |
| LxB | Diamter | Quantity | kgs | ||||||||
| D1 | 450x350 | 450 | 570 | 620 | 350 | 470 | 520 | 14 | M20 | 16 | 73.1 |
| 16 | 81.6 | ||||||||||
| 18 | 90.2 | ||||||||||
| 600x400 | 600 | 720 | 770 | 400 | 520 | 570 | 14 | 20 | 83.6 | ||
| 16 | 88.8 | ||||||||||
| 18 | 94.8 | ||||||||||
| 800x600 | 800 | 930 | 970 | 600 | 720 | 770 | 14 | 26 | 108.4 | ||
| 16 | 120.6 | ||||||||||
| 20 | 149.8 | ||||||||||
| D2 | 800x400 (Oval) | 800 | 930 | 980 | 400 | 530 | 580 | 14 | 24 | 89.4 | |
| 16 | 102.5 | ||||||||||
| 20 | 127.8 | ||||||||||