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ISO 5894 Type DO Multi Bolts Manhole With Recessed Top Cover
Description:
for Ships is the type A of manhole cover. The shape of this cover is long circle. This is a kind of cover with coaming. It can be raised. It meets the standard of IS05892 and CB/T19-2001. It is made of steel and can be used to various vessels. If you are interested in our products, please contact us for more information.
Main Technical Specification:
Main Technical Parameters:
Nominal size l1×b1 | l2 | b2 | l3 | b3 | l4 | b4 | t | Fasteners Diameter | Fasteners Number |
450×350 | 570 | 470 | 510 | 410 | 642 | 542 | 6 | M20 | 16 |
600×400 | 720 | 520 | 660 | 460 | 792 | 592 | 8 | 20 | |
600×450 | 720 | 570 | 660 | 510 | 792 | 642 | 8 | 22 | |
800×600 | 920 | 720 | 860 | 660 | 992 | 792 | 12 | 26 | |
NOTE 1 t is for minimum thickness, the thicknesses that are not displayed in the table can be designed according to builder practice |
Key | ||||||
1 | coaming plate | 4 | cover | 7 | plate ring | 9 marking |
2 | gasket | 5 | top cover | 8 | securing bolts | 10 jacking-up bolt, 2 x M20 |
3 | handle | 6 | handle |
The weld size and details should meet the recognized industrial sta ndard .
Dimensions given in brackets () can be adjusted. The top of the cover, including the nut, should not protrude from the flush surface when choosing a dimension given in brackets .
NOTE 1'1 x b1 is a clear opening.
NOTE 2 Jacking up bolts 2 x M20 can be chosen by the user if suitable. a Fastener M20, hole ct:>23 mm.
Drawing of ISO 5894 Type DO Multi Bolts Manhole With Recessed Top Cover Marine Outfitting
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