Marine Manhole Hatch Cover with Coaming Type A

Marine Manhole Cover  manufacturer-Weitong Marine offers Type A Manhole Cover, is also call raised manhole cover and watertight and oil tight suitable for oil tank, water tank and various ships.
Description
Description
Marine Manhole Hatch Cover with Coaming Type A
Manhoe cover for ships type A is suitable for applications where frequent access is not required. It is ideal for inspection access to ship voids, bulkhead access, fuel and water tank access. If this cover is used for water tank access, it will be made of high strength steel. This cover is designed and manufacturerd to meet the standard of CB/T19-2001. The shape can be round, oval, square, and made of steel.


Marine Manhole Cover with Coaming Type A Specification
Model Nominal Size L L1 L2 B B1 B2 S Bolt Weight
L x B Diamter Quantity kgs
A 450x350 450 470 570 350 370 470 4 M20 16 23.2
6 30.8
8 36.9
10 45.8
600x400 600 630 720 400 420 520 6 20 48.8
8 59.2
10 69.3
12 79.6
800x600 800 820 920 600 620 720 8 26 52.4
10 65.8
12 78.2
14 90.2
 
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