We constantly pressurize ourselves and do our best with first-class work standards in order to ensure high quality Marine Bread Toaster, Telescopic Boom Type Davit, Marine Accommodation Plywood Bed. We establish multi-level and multi-angle salary incentive mechanism to retain and motivate talents. We work closely with strategic suppliers to meet our customers' needs for mass production in the shortest possible time, while ensuring that our products are customized to meet their needs. We believe that enterprise development must adhere to market-oriented, efficiency-centered, small profits to obtain large markets. We believe that only customer satisfaction can guarantee the company's operation.
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 |

We constantly pressurize ourselves and do our best with first-class work standards in order to ensure high quality Marine Ship Sunk Manhole Hatch Cover for Ship. The company insists on the development road of independent innovation and continuous innovation, stimulates the enthusiasm of independent innovation and improves the ability of scientific and technological innovation. We respect love and the value of life, and we constantly practice our ideals with our humanistic care, team spirit, professional competence and service philosophy.
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