Our performance advanced equipment and exquisite manufacturing process ensure that the quality of our Rescue Boat Launching Appliance, Marine Environmental Protection, Marine Chain Wheel tend to be perfect. Our company follows the business philosophy of 'everything is for the user, everything comes from innovation' and enhances the market competitiveness of the enterprise and the development potential of the enterprise. We adapt to the modern management innovation of enterprises by strengthening system innovation and management and control innovation. We adhere to the steady development of marketing strategy, to provide customers with a variety of excellent products and a full range of services.
Marine manhole cover/manhole hatch is highly suitable for container vessels, multi purpose vessels and bulk carriers. These covers are dimensioned according to requirements for stowage of the containers in the holds and on the cover panels as well as timber packages and heavy project cargo.
This marine manhole cover applies to the watertight and oiltight cover.
There are four models of our products, which are:Type A Marine Manhole Cover,Type B Marine Manhole Cover,Type C Marine Manhole Cover,Type D Marine Manhole Cover,Type E Marine Manhole Cover.
Type A Marine Manhole Cover:
Material:
steel .
Certificates:
CCS, BV, ABS, GL,LR,RINA,NK ,etc.
Drawing of Type A Marine Manhole Cover:
Specification and Dimension of Type A Marine Manhole Cover:
Type | Clear size | L1 | L2 | B1 | B2 | S | Fasteners | Weight(kgs) | |
L×B | |||||||||
DIA | QTY | ||||||||
4 | 23.2 | ||||||||
6 | 30.8 | ||||||||
450×350 | 470 | 570 | 370 | 470 | 8 | 16 | 36.9 | ||
10 | 45.8 | ||||||||
6 | 48.8 | ||||||||
A | 8 | 59.2 | |||||||
600×400 | 620 | 780 | 420 | 520 | 10 | M20 | 20 | 69.3 | |
12 | 79.6 | ||||||||
8 | 52.4 | ||||||||
10 | 65.8 | ||||||||
800×600 | 820 | 920 | 620 | 720 | 12 | 26 | 78.2 | ||
14 | 90.2 | ||||||||
Type B Marine Manhole Cover:
This marine manhole cover applies to the watertight and oiltight cover.
Material:
steel .
Certificates:
CCS, BV, ABS, GL,LR,RINA,NK ,etc.
Drawing of Type B Marine Manhole Cover:
Specification and Dimension of Type B Marine Manhole Cover:
Type | Clear size | L1 | L2 | B1 | B2 | S | Fasteners | Weight(kgs) | |
L×B | |||||||||
DIA | QTY | ||||||||
B | 4 | 28.9 | |||||||
6 | 33.8 | ||||||||
450×350 | 470 | 570 | 370 | 470 | 8 | 16 | 37.2 | ||
10 | 41.2 | ||||||||
8 | 49.5 | ||||||||
10 | 55.6 | ||||||||
600×400 | 620 | 780 | 420 | 520 | 12 | M20 | 20 | 61.2 | |
14 | 67.6 | ||||||||
12 | 67.2 | ||||||||
14 | 75.2 | ||||||||
800×600 | 820 | 920 | 620 | 720 | 16 | 26 | 72.8 | ||
18 | 89.9 | ||||||||
12 | 56.8 | ||||||||
14 | 63.2 | ||||||||
800×400 | 830 | 930 | 430 | 530 | 16 | 24 | 69.2 | ||
18 | 76.2 | ||||||||
Type C Marine Manhole Cover:
This marine manhole cover applies to the watertight and oiltight cover.
Material:
steel .
Certificates:
CCS, BV, ABS, GL,LR,RINA,NK ,etc.
Drawing of Type C Marine Manhole Cover:
Specification and Dimension of Type C Marine Manhole Cover:
Type | D | D1 | S | Fasteners | Weight | |
C | mm | DIA | Qty | Kg | ||
450 | 620 | 4 | M20 | 20 | 32.03 | |
6 | 36.64 | |||||
8 | 41.25 | |||||
10 | 46.1 | |||||
12 | 50.7 | |||||
600 | 770 | 6 | 26 | 50.4 | ||
8 | 57.6 | |||||
10 | 64.9 | |||||
12 | 72.1 | |||||
14 | 79.2 | |||||
Type D Marine Manhole Cover:
This marine manhole cover applies to the watertight and oiltight cover.
Material:
steel .
Certificates:
CCS, BV, ABS, GL,LR,RINA,NK ,etc.
Drawing of Type D Marine Manhole Cover:
Specification and Dimension of Type D Marine Manhole Cover:
Type | Clear size | L1 | B1 | L2 | B2 | R | S | Fasteners | Weight(kgs) | |
L×B | ||||||||||
| DIA | QTY |
| |||||||
D | 530×430 | 710 | 610 | 752 | 652 | 250 | 10 | 2 | 116.8 | |
12 | 121.6 | |||||||||
630×430 | 810 | 610 | 852 | 652 | 250 | 10 | M20 | 136.1 | ||
12 | 141.1 | |||||||||
630×480 | 810 | 660 | 852 | 702 | 275 | 10 | 137.6 | |||
12 | 143.7 |
Type E Marine Manhole Cover:
This marine manhole cover applies to the watertight and oiltight cover.
Material:
steel .
Certificates:
CCS, BV, ABS, GL,LR,RINA,NK ,etc.
Drawing of Type E Marine Manhole Cover:
Specification and Dimension of Type E Marine 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 will continue to develop superior a Type Marine Manhole Cover for Ship/Boat and provide satisfactory services to all of our customers. We always adhere to the 'integrity-based, customer-oriented' business philosophy. We sincerely hope to cooperate with you with our professional and perfect technology and service. Our company has strong strength, pays attention to credit, abides by the contract, guarantees the product quality, and wins the trust of the majority of customers with the characteristics of multi variety management and the principle of small profit and quick turnover.
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