The design must center on three key elements: pressure resistance, sealing, and equipment compatibility. The critical considerations are as follows: ① Pressure Resistance: Calculate the required pressure‑resistance rating based on the operating depth, select appropriate materials and hull thickness, and prevent deformation or rupture under underwater pressure; ② Sealing Performance: Choose an adequate sealing method according to the hull’s structure, carefully design sealing grooves and flange configurations to ensure gap‑free interfaces, while also accounting for the impact of temperature fluctuations on sealing materials; ③ Equipment Compatibility: Based on the dimensions and power requirements of onboard electronic devices, optimize the hull’s volume and internal layout, provide sufficient interface ports and ventilation openings (with proper sealing), and facilitate equipment installation and maintenance; ④ Corrosion Resistance: In corrosive environments such as seawater or industrial wastewater, select corrosion‑resistant materials or apply surface treatments like anodizing or anti‑corrosion coatings; ⑤ Weight and Buoyancy: Balance the hull’s weight with buoyant forces to ensure stable suspension or controlled descent, meeting the demands of underwater operations. During the design process, our in‑house R&D team employs precision instruments—including microscopes, micrometers, and vernier calipers—to measure critical dimensions, and leverages simulation tools to model underwater pressure, temperature, and other environmental conditions. Design solutions are iteratively refined, with every proposal rigorously validated and subjected to multi‑stage quality checks during in‑house manufacturing, ensuring that design specifications are fully realized and that the final product meets operational requirements.

The core function of an underwater sealed compartment is to provide a hermetically sealed, dry, and high-pressure‑resistant enclosure for subsea electronic equipment—such as sensors, controllers, batteries, and cameras—preventing ingress of moisture, seawater corrosion, and contaminants, thereby ensuring reliable operation. At the same time, it withstands underwater pressure and adapts to diverse submersible environments across varying depths. Our underwater sealed compartments are designed in‑house, leveraging simulation technology to replicate pressure conditions at different depths, optimizing both the structural integrity and sealing performance to deliver robust protection. Key application areas include remotely operated vehicles (ROVs) and autonomous underwater vehicles (AUVs), seabed observation networks, underwater sensor arrays, manned deep-diving submersibles, underwater communication systems, and marine research instruments—covering a wide range of subsea equipment from shallow to extreme depths. All sealed compartments are manufactured in‑house, with rigorous quality control throughout every stage, from hull fabrication and sealing assembly to final inspection, ensuring that each unit can reliably endure the pressures and corrosive conditions associated with its designated operating depth.

Water resistance depth is not fixed; it depends on the product’s design, sealing structure, and materials. It is categorized into standard water resistance and customizable options (e.g., 10 m, 50 m, 100 m, 1,000 m). Using the device beyond its rated water‑resistance depth can lead to seal failure and equipment damage. Based on customer requirements, our in‑house R&D team optimizes the sealing structure, while engineers use precision instruments to measure component dimensions and employ simulation techniques to evaluate pressure‑resistance at various depths, enabling the customization of products with tailored water‑resistance ratings. Methods for extending the service life of waterproofing include:

① After each use, promptly rinse the device with clean water, wipe off surface moisture, and pay special attention to cleaning the sealing ring and connectors to prevent salt and sand from remaining.

② Regularly inspect the sealing rings for signs of aging or damage; replace them promptly if any issues are detected. When replacing, apply a lubricating silicone grease to enhance the sealing performance.

③ Avoid subjecting the device body to severe impacts or scratches to prevent damage to the sealing structure.

④ Do not disassemble the device without authorization; such disassembly may compromise the sealing structure, resulting in loss of waterproof performance.

⑤ Store in a dry, well-ventilated environment, avoiding humid, high‑temperature, or low‑temperature conditions that can accelerate component aging.

During our in-house manufacturing process, we subject sealing components to rigorous, multi‑stage inspections to ensure that their sealing performance meets the required standards, thereby extending the product’s waterproof lifespan from the very outset.