| Application | Boat |
| Material | Steel/Aluminum |
| Size(mm) | 450*350~800*600 |
| Warranty | Three Years |
| Standard | GB, DIN, JIS, ISO, CB/T 19-2001 |
| Surface Treatment | Oxygenation |
| Specification | As per request |
| Production Capacity | 50000 PCS/year |
| Trademark | TAIHANG |
| Type | Marine Hatch Cover |
| Use Pressure | 0.2MPa |
| Transport Package | Standard Export Packing |
| HS Code | 7308900000 |
| Origin | China |
| Certificate | Certificate: CCS, BV, Lr, Nk, Gl, Irs, etc |
Marine Manhole Coveris a cover plate used on the deck or tank for crews to go into and out for cleaning or maintenance. There are type A, type B, type C, type D, and type E. Marine Manhole Cover is used for manhole on the oil tanks, water tanks, voil tanks and other tanks on various shipes. It is fixed on the falt positions on the hold bottom, deck and bulkhead.There are Type A,B,C & D.
The shape can be round, oval, square.
| 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 |
We offer two types of Marine covers: hatch covers and manhole coversHatch covers are divided into eleven types:
Steel small size hatchcover, rotary oil tight hatchcover, steel air tight hatchcover, aluminum air tight hatchcover, steel water tight hatchcover, aluminum water tight hatchcover, pressure manhole cover and hatchcover, quick-acting water tight hatchcover
Suez Canal light hatch cover, air hatch cover, fire hatch cover.
1.Our Shipyard:Ningbo Zhenhe shipyard, and now Taihang is the branch representative of our yard.
2.Our founding team has experience of more than 15 years in ship building and ship repair with our own engineer and designer.
3.Equipment quality guarantee: Based on shipyard feedback, we built up manufacturer file to ensure the good quality of the products. Also we can send our engineers to help our clients to install and test these exported equipment.
4.We are able to provide the CKD kits and one-stop service based on our laser-cutting machine and purchase ability
5.We have a very professional design and technical team to work out perfect plan for our clients and help to slove out any matters with pre-sale and after-sale.
6. Customer Distribution: Tananzia, Rwanda, India(Mumbai and Kalkatta), Suva, Portugal, Russia, Nertherland, Iceland, Denmark, Malaysia, Mexico.......
