Zhongyuan Ship Machinery Manufacture (Group) Co., Ltd
| Standard | BS ISO 5894:2018/ GB 11628 |
| Type | DO |
| Material | Mild Steel, Stainless Steel |
| Gasket | Suitable with oil, sea water, and fresh water; Free from asbestos |
| Bolt & Nuts | M20, Stainless steel, bronze, brass |
| Test | Hydraulic Pressure Test |
| Dimension | As Standard or Customized, As client’s drawing |
| Application Type | Water-tight, Oil Tight |
| Surface treatment | sandblasting to S2.5 + one layer of epoxy shop primer, Polished, Galvanized, customized surface treatment available |
| Classification Certificates | CCS, NK, BV, ABS, DNV, LR, KR, IRS, RS, RINA |
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Product Specification
| Standard | BS ISO 5894:2018/ GB 11628 | Type | DO |
| Material | Mild Steel, Stainless Steel | Gasket | Suitable with oil, sea water, and fresh water; Free from asbestos |
| Bolt & Nuts | M20, Stainless steel, bronze, brass | Test | Hydraulic Pressure Test |
| Dimension | As Standard or Customized, As client’s drawing | Application Type | Water-tight, Oil Tight |
| Surface treatment | sandblasting to S2.5 + one layer of epoxy shop primer, Polished, Galvanized, customized surface treatment available | Classification Certificates | CCS, NK, BV, ABS, DNV, LR, KR, IRS, RS, RINA |
| High Light | iso 5894 marine manhole ，m20 bolt marine manhole cover ，m20 nuts marine manhole | ||
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
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Seller
Year Established:
1990
Total Annual:
10,000,000-15,000,000
Employee Number:
>300
Ecer Certification：
Verified Supplier
Founded in the 1990s, Zhongyuan Ship Machinery Manufacture (Group) Co., Ltd. comprises four factories and one exporting company, employing over 300 personnel with 20 experienced technicians & engineers. Our export trade company facilitates seamless delivery of cargo worldwide. Our... Founded in the 1990s, Zhongyuan Ship Machinery Manufacture (Group) Co., Ltd. comprises four factories and one exporting company, employing over 300 personnel with 20 experienced technicians & engineers. Our export trade company facilitates seamless delivery of cargo worldwide. Our...
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