Marine Aluminum Manhole Cover – Durable Access Solutions
High-Quality Aluminum Manhole Cover for Ship Maintenance
Our marine aluminum manhole cover provides secure, lightweight access points for ship compartments and liquid tanks. Designed for maintenance personnel access, these durable covers feature a bolt-fastened design for easy opening while ensuring secure closure during operation.
Key Features & Benefits:
✔ Lightweight Aluminum Construction: 50% lighter than steel alternatives
✔ Secure Fastening System: Multiple bolt configuration (M20-M26) for reliable sealing
✔ Corrosion-Resistant: Marine-grade aluminum withstands harsh saltwater environments
✔ Easy Maintenance: Simple nut-turning operation for quick access
✔ Custom Sizing: Available in standard and custom dimensions
Technical Specifications
Standard Models Available:
| Clear Size (L×B) mm | L1 mm | L2 mm | B1 mm | B2 mm | Thickness (S) mm | Fastener Size | Fastener Qty | Weight (kg) |
|---|---|---|---|---|---|---|---|---|
| 450×350 | 470 | 570 | 370 | 470 | 4 | M20 | 16 | 28.9 |
| 450×350 | 470 | 570 | 370 | 470 | 6 | M20 | 16 | 33.8 |
| 450×350 | 470 | 570 | 370 | 470 | 8 | M20 | 16 | 37.2 |
| 600×400 | 620 | 720 | 420 | 520 | 6 | M20 | 20 | 49.5 |
| 600×400 | 620 | 720 | 420 | 520 | 8 | M20 | 20 | 55.6 |
| 800×600 | 820 | 920 | 620 | 720 | 8 | M26 | 26 | 67.2 |
| 800×600 | 820 | 920 | 620 | 720 | 10 | M26 | 26 | 75.2 |
| 800×400 | 830 | 930 | 430 | 530 | 12 | M24 | 24 | 56.8 |
| 800×400 | 830 | 930 | 430 | 530 | 14 | M24 | 24 | 63.2 |
The description/sizes may be different with goods, please check with us when order.
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