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DF-482
HEE
Product Introduction
This product is a professional cast steel component for ships and dock mooring, made of integral cast steel precision casting. It is mainly used in scenarios such as ship decks, port docks, floating docks, and offshore platforms to fix cables and withstand mooring tension. It is a key load-bearing component for ship docking and mooring operations. The product is produced strictly in accordance with maritime standards, with a stable structure, high load capacity, corrosion resistance, and long service life. We have our own casting factory, which can provide one-stop customization for design, mold making, casting, and processing based on drawings. It supports customized needs such as non-standard dimensions, special loads, and classification society certification.
Product Features
The integral casting of cast steel adopts high-strength carbon steel/alloy cast steel integral casting, with a dense structure without welds, uniform stress, excellent impact resistance and fatigue resistance, and can withstand strong tensile forces in strong wind and wave environments.
High safety factor, reliable heavy-duty products have undergone static and tensile tests, with a safety factor that meets maritime regulations, strong load-bearing capacity, and long-term use that is not easily deformed or cracked.
The surface with excellent anti-corrosion and weather resistance performance can be used as anti rust primer, topcoat, hot-dip galvanizing or anti-corrosion coating, suitable for harsh marine environments such as seawater, salt spray, and humidity, reducing maintenance frequency.
Reasonable structure, using safe T-shaped, sheep horn shaped, single and double column structural designs, easy cable winding, less likely to slip, and more stable and safe mooring.
Compliant with international maritime standards, it can be produced according to standards such as GB/T 554 and ISO 13795, and supports the provision of CCS and other classification society certifications.
Support customized design and production with our own foundry, offering customized designs based on drawings, samples, non-standard designs, and optimized modifications, with stable batch delivery times.
Main purpose
Various types of ship deck mooring: bulk carriers, container ships, engineering ships, fishing boats, yachts, etc
Mooring and fixing of port terminals, freight terminals, and fishing port terminals
Use of mooring lines for floating docks, barges, and offshore platforms
Fixed force of marine engineering and water-based construction facilities
Shipyard, port machinery supporting, steel structure mooring supporting castings
Technical parameters (regular series)

| MODEL NO. | A | B | C | D | E | WT.(lbs) |
| DF-30 | 24" | 9" | 10 1/2" | 5-5/8" | 7 1/2" | 50 |
| DF-481 | 30" | 14 1/4" | 19 1/2" | 6-3/4" | 9" | 88 |
| DF-482 | 36" | 17" | 23" | 8" | 11" | 100 |
| DF-483 | 42" | 20" | 26 3/4" | 9" | 12 1/2" | 160 |
| DF-484 | 48" | 23" | 30" | 10" | 14" | 220 |
Our Advantages
We have our own foundry factory and direct supply from the source: we have independent control over the entire process from molds, casting, heat treatment to machining and painting, ensuring stable quality and significant price advantages.
Professional design and customization capabilities: We can optimize the structure according to customer working conditions, provide customized dimensions, loads, and installation methods, and support new product development.
Quality assurance and certification support: Factory testing is complete, and documents such as material reports, tensile reports, and classification society certifications can be provided.
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.
