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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

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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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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		 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

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

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

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


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