Grand Ocean OEM Marine Manhole Cover
USD $40 - $100 /Piece
Min.Order:10 Pieces
Ningbo Good Ocean International Trading Co., Ltd.
Grand Ocean OEM Marine Manhole Cover
We can provide excellent shang professional Ship Designing and Ship Building services.
Grand Winner-------------our ship designing sub-company
Grand Ocean -------------our ship building sub-company
Our overseas partners:
TONIMAS NIGERIA LIMITED from Nigeria
TOP MARINE SHOWROOM & SERVICES from Burma
NEXT VESSEL from Netherlands
PT. Indadi Setia from Indoneia
1.This product is available for various types of ship oil, water tanks, cofferdams and cabinet;
2.Suitable for ships watertight and oil tight manhole cover, not for boilers and pressure vessels.
3.With smooth surface without cracks , good wear and corrosion resistance;
4.Standard:GB/T 3728-1995
Available in marine steel, stainless steel and aluminum alloy, copper materials
Hinged type, Water tight/ Weather tight and Oil tight marine manhole covers.
Emberded or Sunk Type.
Smooth surface without cracks , good wear and corrosion resistance,never rust
Rubber gasket three years warranty
Screw: stainless
Surface befor painting: sandblasting
Painting: Jotun or equivalent brand
Customize available
OEM service and Special requirement is available
type | Size of clear opening | Cover thickness | Bolt diameter | Bolt quantity |
A | 450×350 | 4mm~10mm | M20 | 16 |
600×400 | 6mm~12mm | M20 | 20 | |
800×600 | 8mm~14mm | M20 | 26 | |
B | 450×350 | 4mm~10mm | M20 | 16 |
600×400 | 8mm~14mm | M20 | 20 | |
800×600 | 12mm~18mm | M20 | 26 | |
C | 450×350 | 10mm~14mm | M20 | 16 |
600×400 | 10mm~14mm | M20 | 20 | |
800×600 | 12mm~18mm | M20 | 26 | |
D | 450×350 | 14mm~18mm | M20 | 16 |
600×400 | 14mm~18mm | M20 | 20 | |
800×600 | 14mm~18mm | M20 | 26 |