Marine-Grade Aluminum Manhole Covers – ISO 5892 & CB/T19 Certified
Premium Watertight Access Solutions for Vessels
Product Overview
Our marine aluminum manhole covers provide secure and versatile access points for marine applications. Available in three configurations (with coaming, flat, or sunk design), these lightweight yet durable covers offer watertight, weathertight, and oiltight sealing for various shipboard compartments (excluding boiler applications).
Key Features & Benefits
✔ Multiple Configuration Options
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Type A: Manhole cover with coaming (most common)
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Type B: Flat manhole cover
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Type C: Sunk manhole cover (recessed installation)
✔ Dual Shape Availability
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Long circular design
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Oval configuration
✔ Superior Material Properties
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Marine-grade aluminum construction
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Corrosion-resistant in saltwater environments
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Lightweight for easy operation
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Durable anodized finish
✔ Technical Specifications
| Type | Clear Size | Dimensions (mm) | Thickness (mm) | Weight (kg) |
|---|---|---|---|---|
| A | 450×350 | L1:450 L2:470 L3:570 B1:350 B2:370 B3:470 |
4-10 | 7.3-14.6 |
| A | 500×400 | L1:500 L2:520 L3:620 B1:400 B2:420 B3:520 |
6-12 | 11.3-18.4 |
Certification & Compliance
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Meets ISO 5892 standards
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Complies with CB/T19-2001 requirements
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Optional IACS certifications available
The description/sizes may be different with goods, please check with us when order.
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