We serve our valued customers with innovative Marine Rope, High Voltage Three Phase Induction Motor, Converter Fed Three Phase Induction Motor, superior service and continuously improved quality. We adhere to the values of 'passion and innovation, cooperation and sharing, integrity and dedication'. We advocate, take charge, innovation, precision and integrity. We effectively carry forward the spirit, style, philosophy and purpose of the enterprise, overcome all difficulties that cannot be served, conquer all challenges that cannot be overcome, and create miracles of development with superb execution.
Marine ship cast iron sunk 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. Marine ship cast iron sunk 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.
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Main Material:
Cover: Carbon Steel Q235
Coaming: Carbon Steel Q235
Seal Ring: NBR
Bolt, Nut, Washer: Stainless Steel, Caron Steel , Copper
advantages:
l Security, prevent the cover being stolen
l No noise.
l High load-bearing
l corrosion resistance
l Safe
This marine manhole cover applies to the watertight and oiltight cover.
Material:
steel .
Certificates:
CCS, BV, ABS, GL,LR,RINA,NK ,etc.
Drawing of Sunk Manhole Cover:

Specification And Dimension Of Sunk Manhole Cover:
Type | Clear size | L1 | B1 | L2 | B2 | R | S | Fasteners | Weight(kgs) | |
L×B | ||||||||||
| DIA | QTY |
| |||||||
E | 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 |

In the course of development in the new century, our company will continue to follow the principle of good faith and provide customers with efficient, safe and first-class Marine Ship Cast Iron Sunk Manhole Hatch Cover for Ship$100.00-$600.00/ Piece and perfect services to enhance corporate image and competitiveness. We provide customers with products and services that support their business decisions in different markets and areas. Our company takes the reform and innovation as the driving force to continuously promote the construction work of our company.
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