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ISO 5894 Type DO Multi Bolts Manhole With Recessed Top Cover Marine Outfitting

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ISO 5894 Type DO Multi Bolts Manhole With Recessed Top Cover Marine Outfitting

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:

  1. Standard: BS ISO 5894:2018/ GB 11628
  2. Type: DO,
  3. Material: Mild Steel, Stainless Steel,
  4. Gasket: Suitable with oil, sea water, and fresh water; Free from asbestos;
  5. Bolt & Nuts: M20, Stainless steel, bronze, brass;
  6. Test: Hydraulic Pressure Test,
  7. Dimension: As Standard or Customized, As client’s drawing,
  8. Application Type: Water-tight, Oil Tight,
  9. Surface treatment: sandblasting to S2.5 + one layer of epoxy shop primer, Polished, Galvanized, customized surface treatment available.
  10. Classification Certificates: CCS, NK, BV, ABS, DNV, LR, KR, IRS, RS, RINA.

Main Technical Parameters:

Nominal size
l1×b1
l2b2l3b3l4b4tFasteners
Diameter
Fasteners
Number
450×3505704705104106425426M2016
600×400720520660460792592820
600×450720570660510792642822
800×6009207208606609927921226

NOTE 1 t is for minimum thickness, the thicknesses that are not displayed in the table can be designed according to builder

practice

Key
1coaming plate4cover7plate ring9 marking
2gasket5top cover8securing bolts10 jacking-up bolt, 2 x M20
3handle6handle

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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