Marine Round Quick-Action Watertight Steel Hatch
High-Performance Watertight Hatches for Optimal Shipboard Protection
Our marine round quick-action watertight steel hatch provides instant access while delivering military-grade watertight protection against harsh marine conditions. Engineered for fast operation in all weather, these robust hatches combine superior sealing performance with ergonomic design to ensure both cargo safety and crew efficiency.
Key Features & Benefits:
✔ One-Motion Quick Release: Patented fast-action mechanism for emergency access
✔ Ultimate Watertight Seal: Tested to 0.025MPa water pressure (exceeds IMO standards)
✔ Heavy-Duty Construction: 12mm marine-grade steel with triple-layer corrosion protection
✔ Optimized Ergonomics: Balanced weight distribution for smooth operation
✔ Five Standard Sizes: 600mm to 800mm diameters available
Technical Specifications
Standard Models Available:
| Clear Size (mm) | Bulkhead Opening (mm) | Coaming ID (mm) | Coaming OD (mm) | Cover Thickness (t) mm | Coaming Thickness (t1) mm | Height (H) mm | Width (B) mm | Weight (kg) |
|---|---|---|---|---|---|---|---|---|
| 600 | 640 | 670 | 720 | 12 | 12 | 200 | 473 | 245 |
| 650 | 690 | 720 | 770 | 12 | 12 | 200 | 498 | 266 |
| 700 | 740 | 770 | 820 | 12 | 12 | 200 | 523 | 285 |
| 750 | 790 | 820 | 870 | 12 | 12 | 200 | 548 | 306 |
| 800 | 840 | 870 | 920 | 12 | 12 | 200 | 573 | 328 |
Advanced Protection System
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Dual-Seal Technology: Primary neoprene gasket + secondary silicone seal
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Corrosion Defense: Zinc-phosphate pretreatment + epoxy primer + polyurethane topcoat
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Safety Locking: Positive-latch mechanism prevents accidental opening
The description/sizes may be different with goods, please check with us when order.
