Availability: | |
---|---|
Quantity: | |
DF-5005-510
HEE
DF-5005-510 RAISED MULTI-BOLT CLEAN OUT HATCH
MODEL NO. | ΦA | B | C | D | WT.(lbs) |
DF-5005-510 | 560 | 520 | 45 | 470 | 90 |
NO. | Name & Specifications | Qty | Material |
1 | COVER | 1 | STEEL |
2 | GASKET | 1 | Buna-N |
3 | COAMING | 1 | STEEL |
Leakage test: Pressure 0.04MPa
Other optional extras include: hot dipped galvanized, stainless steel construction, and customing heights
The DF-5005-510 Raised Multi-Bolt Cleanout Hatch represents the next generation of maintenance access solutions, engineered specifically for frequent service applications in marine systems. As vessel operators focus on reducing maintenance downtime, this hatch combines robust construction with tool-free operation to facilitate quick, safe access to critical systems . Constructed from AA 5052 aluminum alloy with a raised profile design, it offers superior corrosion resistance compared to steel alternatives while providing the structural integrity required for heavy-use locations. Measuring 18 × 18 inches and weighing 75 lbs, the DF-5005-510 is optimized for access to pumps, filters, and valve manifolds in confined spaces.
Featuring 12 captive stainless steel bolts with ergonomic wing nuts, the hatch allows full opening in under two minutes without tools, significantly reducing maintenance setup time . Each bolt incorporates a spring-loaded washer that maintains proper tension while allowing easy hand operation. The captive design prevents hardware loss during maintenance, a common issue with traditional bolted hatches.
The AA 5052 aluminum alloy provides exceptional resistance to saltwater, fuels, and cleaning chemicals commonly used in marine maintenance . The hatch interior features a chemical-resistant epoxy coating rated to withstand exposure to hydrocarbons, detergents, and mild acids. All gaskets use EPDM rubber compatible with a wide range of marine fluids and cleaning agents.
The raised frame provides 6 inches of clearance above the mounting surface, creating space for tool operation and hand access to underlying components . The hatch opens to 110° and includes a gas strut support that holds it securely in the open position without additional props, freeing both hands for maintenance work. The integrated grab handle ensures secure grip even with greasy or wet hands.
AA 5052 aluminum provides superior corrosion resistance compared to carbon steel and better strength-to-weight ratio than standard 5005 alloy, with 20% higher tensile strength . Its excellent weldability and formability allow for complex shapes while maintaining structural integrity in marine environments.
The 12-bolt pattern creates uniform compression across the entire EPDM gasket surface, with each bolt contributing approximately 50 lbs of clamping force . This distributed pressure eliminates potential leak paths, even when the hatch is installed on curved or irregular surfaces.
Yes, when specified with food-grade EPDM gaskets and stainless steel hardware, the DF-5005-510 meets FDA requirements for access to potable water storage and distribution systems . The aluminum alloy is non-toxic and does not leach contaminants into drinking water.
The captive bolts should be lubricated quarterly with silicone-based lubricant to maintain smooth operation . The threads should be inspected periodically for debris buildup, which can be removed with a soft brush and fresh water rinse.
Yes, optional lockable wing nuts are available that accept standard padlocks, preventing unauthorized access to sensitive systems while maintaining quick-release functionality for authorized personnel . This feature is particularly valuable for fuel system and chemical storage access points.
DF-5005-510 RAISED MULTI-BOLT CLEAN OUT HATCH
MODEL NO. | ΦA | B | C | D | WT.(lbs) |
DF-5005-510 | 560 | 520 | 45 | 470 | 90 |
NO. | Name & Specifications | Qty | Material |
1 | COVER | 1 | STEEL |
2 | GASKET | 1 | Buna-N |
3 | COAMING | 1 | STEEL |
Leakage test: Pressure 0.04MPa
Other optional extras include: hot dipped galvanized, stainless steel construction, and customing heights
The DF-5005-510 Raised Multi-Bolt Cleanout Hatch represents the next generation of maintenance access solutions, engineered specifically for frequent service applications in marine systems. As vessel operators focus on reducing maintenance downtime, this hatch combines robust construction with tool-free operation to facilitate quick, safe access to critical systems . Constructed from AA 5052 aluminum alloy with a raised profile design, it offers superior corrosion resistance compared to steel alternatives while providing the structural integrity required for heavy-use locations. Measuring 18 × 18 inches and weighing 75 lbs, the DF-5005-510 is optimized for access to pumps, filters, and valve manifolds in confined spaces.
Featuring 12 captive stainless steel bolts with ergonomic wing nuts, the hatch allows full opening in under two minutes without tools, significantly reducing maintenance setup time . Each bolt incorporates a spring-loaded washer that maintains proper tension while allowing easy hand operation. The captive design prevents hardware loss during maintenance, a common issue with traditional bolted hatches.
The AA 5052 aluminum alloy provides exceptional resistance to saltwater, fuels, and cleaning chemicals commonly used in marine maintenance . The hatch interior features a chemical-resistant epoxy coating rated to withstand exposure to hydrocarbons, detergents, and mild acids. All gaskets use EPDM rubber compatible with a wide range of marine fluids and cleaning agents.
The raised frame provides 6 inches of clearance above the mounting surface, creating space for tool operation and hand access to underlying components . The hatch opens to 110° and includes a gas strut support that holds it securely in the open position without additional props, freeing both hands for maintenance work. The integrated grab handle ensures secure grip even with greasy or wet hands.
AA 5052 aluminum provides superior corrosion resistance compared to carbon steel and better strength-to-weight ratio than standard 5005 alloy, with 20% higher tensile strength . Its excellent weldability and formability allow for complex shapes while maintaining structural integrity in marine environments.
The 12-bolt pattern creates uniform compression across the entire EPDM gasket surface, with each bolt contributing approximately 50 lbs of clamping force . This distributed pressure eliminates potential leak paths, even when the hatch is installed on curved or irregular surfaces.
Yes, when specified with food-grade EPDM gaskets and stainless steel hardware, the DF-5005-510 meets FDA requirements for access to potable water storage and distribution systems . The aluminum alloy is non-toxic and does not leach contaminants into drinking water.
The captive bolts should be lubricated quarterly with silicone-based lubricant to maintain smooth operation . The threads should be inspected periodically for debris buildup, which can be removed with a soft brush and fresh water rinse.
Yes, optional lockable wing nuts are available that accept standard padlocks, preventing unauthorized access to sensitive systems while maintaining quick-release functionality for authorized personnel . This feature is particularly valuable for fuel system and chemical storage access points.
The DF-274-5 2 DOG RAISED WATERTIGHT HATCH is a premium marine deck fitting engineered by HEE (Changshu HaiChuan Engineering & Equipment Co., Ltd.), a leading China-based manufacturer specializing in marine and offshore equipment. Designed to address the critical need for reliable water resistance in harsh marine environments, this hatch serves as a protective barrier for deck openings, preventing water ingress, dust accumulation, and corrosion that could damage internal components of vessels, offshore platforms, or port infrastructure.