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In the maritime industry’s ongoing pursuit of operational efficiency and safety, the DF-615 Raised Quick-Acting Watertight Hatch emerges as a critical innovation for emergency access and routine operations.
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DF-615-2424
Design schematic and technical parameters
MODEL NO. | A | B | C | D | WT.(lbs) |
| DF-615-24×24 | 24" | 33 1/16" | 28" | 24" | 500 |
| DF-615-30×30 | 30" | 39 1/16" | 34" | 24" | 700 |
| DF-615-36×36 | 36" | 45 1/16" | 40" | 24" | 900 |
| NO. | Name & Specifications | Qty | Material |
| 1 | HATCH COVER ASSEMBLY | 1 | STEEL |
| 2 | COAMING ASSEMBLY | 1 | STEEL |
| 3 | HATCH GASKET | 1 | NEOPRENE |
| 4 | CENTER SHAFT | 1 | STAINLESS |
| 5 | ROTATING BLOCK ASSEMBLY | 1 | STAINLESS |
| 6 | DOG ARM | 4 | STAINLESS |
| 7 | SWIVEL GUIDE | 4 | BRASS |
Leakage test: Pressure 0.04MPa
Other optional extras include: hot dipped galvanized, stainless steel construction, and customing heights
Marine Square Handwheel Weatherproof and Watertight Hatch Cover
Our factory specializes in the production of high-quality square manhole covers for marine applications, which fully comply with the specifications and standards of international classification societies. Featuring an integral cast steel monolithic structure, these products exhibit excellent corrosion resistance and are designed for long-term use in harsh marine environments with high salt spray and humidity levels.
The product features a handwheel screw tightening mechanism, paired with a dedicated weatherproof and waterproof sealing gasket, delivering superior dual-sealed performance against wind, rain, and oil. It effectively prevents seawater, rain, debris, and oil fumes from infiltrating the cabin, ensuring comprehensive protection for the safe and stable operation of critical onboard equipment.
Equipped with a spring-assisted swing hinge mechanism, the opening and closing operation is lightweight and effortless, requiring no electric or hydraulic power assistance. Crew members can perform quick operations, inspections, and maintenance under various sea conditions.
Wide range of applicable scenarios
1. Special maintenance hatch covers for engine rooms and steering gear rooms of ships
2. General access hatch openings for bulk carriers, container ships, and multi-purpose cargo ships on deck
3. Tugboats, work vessels, and salvage ships' deck equipment compartment hatch covers
4. Specialized hatch for offshore wind turbine platforms, marine engineering equipment cable chambers, and hydraulic stations
Core Product Advantages
★ Direct production from the original factory, stable quality, and higher cost-effectiveness for bulk orders
★ Standard model DF-615, supporting full-size imperial specifications and customized drawings
★ High-intensity integral casting process, resistant to impact and fatigue deformation, ensuring long service life
★ Meets the inspection and certification requirements of major global classification societies such as CCS
★ Specialized marine anti-corrosion coating process, with exceptional resistance to salt spray corrosion in marine atmospheres
We provide a full range of deck outfitting accessories for vessels, ensuring long-term and stable supply to major shipyards, ship maintenance companies, and offshore engineering projects worldwide. Global customers are welcome to inquire with drawings, customize specifications, and engage in bulk wholesale cooperation.
