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The DF-5005-511 Raised Multi-Bolt Cleanout Hatch represents a specialized solution for marine maintenance access, combining durability with functional design to facilitate system servicing.
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DF-5005-511
HEE
DF-5005-511 RAISED MULTI-BOLT CLEAN OUT HATCH
MODEL NO. | ΦA | B | C | D | WT.(lbs) |
| DF-5005-511-304SS | 560 | 520 | 45 | 470 | 89 |
| NO. | Name & Specifications | Qty | Material |
| 1 | COVER | 1 | STAINLESS STEEL |
| 2 | GASKET | 1 | NEOPRENE |
| 3 | COAMING | 1 | STAINLESS STEEL |
Leakage test: Pressure 0.04MPa
Other optional extras include: hot dipped galvanized, stainless steel construction, and customing heights
Constructed from high-performance AA 5005 H112 aluminum alloy, this hatch offers exceptional corrosion resistance in alkaline marine environments while maintaining moderate strength properties . As ship operators increasingly focus on maintenance efficiency and lifecycle costs, this cleanout hatch provides reliable access to critical systems without compromising structural integrity or watertight performance.
Fabricated from AA 5005 aluminum-magnesium alloy, the hatch delivers an optimal balance of corrosion resistance and lightweight performance . This material choice eliminates rust issues associated with steel hatches while providing sufficient strength for heavy-duty applications. The alloy's excellent thermal conductivity helps prevent condensation buildup in temperature-varying environments.
The multi-bolt design features stainless steel hardware that resists galvanic corrosion when paired with the aluminum frame. Each bolt incorporates a captive washer to maintain proper tension and alignment during installation and removal. The bolt pattern ensures uniform compression across the entire gasket surface, preventing leaks around the access opening.
Engineered for frequent access, the hatch includes features that simplify routine inspection and cleaning procedures. The raised profile provides clearance for tool operation around the bolt heads, while the full-perimeter gasket can be replaced without special tools . Hinge pins are removable for complete separation when required for major maintenance operations.
Ideal for waste management systems, bilge access points, and sewage treatment compartments on commercial vessels, this cleanout hatch provides secure access for maintenance crews . Its corrosion-resistant properties make it suitable for installation in saltwater intake systems and chemical processing areas on offshore platforms. Naval vessels utilize these hatches for accessing filtration systems and fluid processing equipment. The aluminum construction offers weight advantages for passenger ferries where fuel efficiency is a priority.
AA 5005 aluminum provides superior corrosion resistance in marine environments compared to carbon steel, while offering better strength-to-weight ratio than pure aluminum . It is particularly resistant to alkaline solutions commonly encountered in marine waste systems and chemical applications.
The distributed bolt pattern allows the hatch to be partially opened for quick inspections while maintaining structural support, then fully removed for major cleanout operations. This flexibility reduces maintenance time compared to hatches with fixed or limited-opening designs.
Yes, when specified with food-grade gaskets and appropriate surface treatments, the DF-5005-511 meets standards for potable water system access. The aluminum alloy is non-toxic and does not leach harmful substances into drinking water supplies.
The aluminum construction maintains integrity in temperatures ranging from -40°C to 100°C (-40°F to 212°F). For high-temperature applications above 100°C, specialized gasket materials are available to maintain sealing performance.
By providing secure, reliable access to critical systems, the hatch enables regular maintenance that prevents system failures at sea. The watertight design prevents contamination between compartments, while the corrosion-resistant materials ensure long-term performance without unexpected failures.
DF-5005-511 RAISED MULTI-BOLT CLEAN OUT HATCH
MODEL NO. | ΦA | B | C | D | WT.(lbs) |
| DF-5005-511-304SS | 560 | 520 | 45 | 470 | 89 |
| NO. | Name & Specifications | Qty | Material |
| 1 | COVER | 1 | STAINLESS STEEL |
| 2 | GASKET | 1 | NEOPRENE |
| 3 | COAMING | 1 | STAINLESS STEEL |
Leakage test: Pressure 0.04MPa
Other optional extras include: hot dipped galvanized, stainless steel construction, and customing heights
Constructed from high-performance AA 5005 H112 aluminum alloy, this hatch offers exceptional corrosion resistance in alkaline marine environments while maintaining moderate strength properties . As ship operators increasingly focus on maintenance efficiency and lifecycle costs, this cleanout hatch provides reliable access to critical systems without compromising structural integrity or watertight performance.
Fabricated from AA 5005 aluminum-magnesium alloy, the hatch delivers an optimal balance of corrosion resistance and lightweight performance . This material choice eliminates rust issues associated with steel hatches while providing sufficient strength for heavy-duty applications. The alloy's excellent thermal conductivity helps prevent condensation buildup in temperature-varying environments.
The multi-bolt design features stainless steel hardware that resists galvanic corrosion when paired with the aluminum frame. Each bolt incorporates a captive washer to maintain proper tension and alignment during installation and removal. The bolt pattern ensures uniform compression across the entire gasket surface, preventing leaks around the access opening.
Engineered for frequent access, the hatch includes features that simplify routine inspection and cleaning procedures. The raised profile provides clearance for tool operation around the bolt heads, while the full-perimeter gasket can be replaced without special tools . Hinge pins are removable for complete separation when required for major maintenance operations.
Ideal for waste management systems, bilge access points, and sewage treatment compartments on commercial vessels, this cleanout hatch provides secure access for maintenance crews . Its corrosion-resistant properties make it suitable for installation in saltwater intake systems and chemical processing areas on offshore platforms. Naval vessels utilize these hatches for accessing filtration systems and fluid processing equipment. The aluminum construction offers weight advantages for passenger ferries where fuel efficiency is a priority.
AA 5005 aluminum provides superior corrosion resistance in marine environments compared to carbon steel, while offering better strength-to-weight ratio than pure aluminum . It is particularly resistant to alkaline solutions commonly encountered in marine waste systems and chemical applications.
The distributed bolt pattern allows the hatch to be partially opened for quick inspections while maintaining structural support, then fully removed for major cleanout operations. This flexibility reduces maintenance time compared to hatches with fixed or limited-opening designs.
Yes, when specified with food-grade gaskets and appropriate surface treatments, the DF-5005-511 meets standards for potable water system access. The aluminum alloy is non-toxic and does not leach harmful substances into drinking water supplies.
The aluminum construction maintains integrity in temperatures ranging from -40°C to 100°C (-40°F to 212°F). For high-temperature applications above 100°C, specialized gasket materials are available to maintain sealing performance.
By providing secure, reliable access to critical systems, the hatch enables regular maintenance that prevents system failures at sea. The watertight design prevents contamination between compartments, while the corrosion-resistant materials ensure long-term performance without unexpected failures.
