Looking forward to the future, we have a long way to go. We are willing to work with colleagues in all industries to promote each other and develop together, and give back to the society with high-quality Shipboard MV Cable, Telescopic Boom Type Davit, Shackles and services. We actively advocate and adhere to the spirit of integrity, win-win and innovation, and have been widely approved by domestic and foreign partners and customers, and our company has achieved rapid development. In the course of future development, we are willing to cooperate with domestic and foreign partners for mutual benefit and become the most trustworthy partner for customers. We constantly innovate and develop, pay attention to the precision of each part, as well as the strict quality control of each process. We keep pace with the times and implement brand operation strategy, so that our products have excellent cost performance and efficient and fast service characteristics. We take care of the environment, return to the society, caring for employees and other social responsibilities as our own responsibility, and take "integrity, responsibility, innovation, and teamwork" as the company's continuous pursuit and goal. We believe that through our continuous efforts and pursuit, we will be able to achieve the Mutual benefit and win-win situation!
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 |

The application of our new technology can quickly shorten the time of Marine Deck Outfitting Equipment Square Type Watertight Quick Action Hatch Cover for Ship production and enhance the competitiveness of our company in the market. The items to assure years of trouble-free service has attracted a great deal customers. Our long-term goal is to achieve the harmony and unity of economic, social and environmental benefits.
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