Marine Aluminum Watertight Hatch Covers – Lightweight & Durable Deck Solutions
High-Performance Aluminum Watertight Hatches for Marine Applications
Our marine aluminum watertight hatch covers provide superior protection for ship decks and storage compartments while offering exceptional lightweight performance. Available in four versatile shapes (square, rectangular, round, and oval), these hatches combine airtight security with effortless operation, making them ideal for frequent-access areas.
Key Features & Benefits:
✔ Ultra-Lightweight Construction: 50% lighter than steel alternatives
✔ Military-Grade Sealing: Guaranteed watertight integrity in harsh marine conditions
✔ Multiple Shape Options: Choose from square, rectangular, round, or oval configurations
✔ Smooth Operation: Ergonomic opening/closing mechanism for daily use
✔ Corrosion-Resistant: Marine-grade aluminum withstands saltwater exposure
Technical Specifications
Standard Models & Dimensions (mm):
| Type | Shape | Access Size (a×b/Φ) | Cover Size (a1×b1/Φ) | Frame Size (a2×b2/Φ) | Cover Thickness (δ) | Frame Thickness (δ0) | Height (h) |
|---|---|---|---|---|---|---|---|
| A | Square | 500×500 | 532×532 | 588×588 | 3 | 4 | 50 |
| A | Square | 600×600 | 632×632 | 688×688 | 3 | 4 | 50 |
| B | Rectangular | 450×600 | 482×632 | 538×688 | 3 | 4 | 50 |
| B | Rectangular | 650×800 | 686×836 | 738×888 | 4 | 4 | 50 |
| C | Rectangular | 350×500 | 382×532 | 438×588 | 3 | 4 | 50 |
| C | Rectangular | 450×600 | 482×632 | 538×688 | 3 | 4 | 50 |
| D | Round | Φ600 | Φ636 | Φ640 | 3 | 2.5 | 27 |
Certification & Quality Assurance
Our aluminum watertight hatches meet the strictest marine standards and are approved by all major classification societies:
✅ BV ✅ CCS ✅ RMRS ✅ IRS
✅ RINA ✅ DNV ✅ GL ✅ NK ✅ LR ✅ ABS
The description/sizes may be different with goods, please check with us when order.
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