Marine Knowledge

• Heat Detectors – Rate-of-Rise and Fixed Temperature by Deyuan

  Deyuan marine offers heat detectors that combine rateofrise and fixedtemperature sensing in five grades: Grades 1, 2, 3 and Ranges 1, 2. Two matched thermistors -one exposed, one insulated – monitor temperature. A rapid rise creates a resistance difference that triggers a rateofrise alarm. A slow rise

  Marine Knowledge July 27, 2026
• Smoke Detectors – Ionisation and Optical Technologies by Deyuan

  Deyuan offers both ionisation and optical smoke detectors. The ionisation model employs a dualchamber system with an Americium241 source. Smoke reduces ion current, triggering an alarm at a preset threshold. An integrating variant allows a 20second delay to avoid false alarms from transient smoke

  Marine Knowledge July 24, 2026
• VAS 9 Net Buoy: Dual-Mode GPS/Beidou Positioning Keeps Fishing Gear Safe and Ships Alerted

  VAS 9 Net Buoy is generation II of class-B transmitting equipment that is developed by CETCME R&D department. It is mainly used in locating the fishing net and warning other ships to avoid the nets.It's equipped with external antenna. VAS9 communication distance can reach 12 nautical mile, the full

  Marine Knowledge July 21, 2026
• DEYUAN Premium Marine Weathertight Doors: High-Strength, Fully Customizable Solutions for Vessel Safety & Durability

  Product OverviewOur marine weathertight doors represent the culmination of decades of shipbuilding expertise, combining robust construction with innovative sealing technology. Available in steel, aluminum, and stainless steel configurations, each door is manufactured to meet or exceed ASTM F1069 sta

  Marine Knowledge July 17, 2026
• Oily Water Separators – Ensuring Compliant Bilge Water Discharge for Vessels

  As the International Maritime Organization (IMO) continues to raise standards for marine environmental protection, bilge water discharge management has become a critical component of vessel pollution prevention. Deyuan Marine oily water separators are designed and manufactured in strict compliance with IMO Resolution MEPC.107(49) and its subsequent amendment MEPC.285(70). They are specifically developed for treating oily bilge water from vessel engine rooms, separating oil from water to meet discharge standards.

  Marine Knowledge July 13, 2026
• Building a Strong Safety Line for Maritime Container Shipping – Turnbuckles

  With the continued growth in global maritime trade, the safety of container stacking and lashing on vessels has drawn increasing attention from shipping companies, shipyards, and ports. As the core adjusting and fastening component in container lashing systems, the container turnbuckle plays a criti

  Marine Knowledge July 07, 2026
• DEYUAN Weir Skimmer-New Generation Oil Spill Recovery System for Marine Use

  Why is oil pollution still a persistent challenge?Oil pollution remains a persistent challenge in ports, offshore areas, and industrial wastewater systems. In practice, surface oil can spread rapidly and form a thin layer that becomes increasingly difficult to control once affected by wind, waves, o

  Marine Knowledge July 03, 2026
• Why The 275N Inflatable Life Jacket Is The New Gold Standard For Offshore Safety

  In the maritime industry, "good enough" is never enough when it comes to saving lives. Today, Deyuan Marine is proud to spotlight our high-performance 275N Inflatable Life Jacket—a powerhouse of buoyancy designed specifically for the most extreme offshore environments.Beyond 150N: Why 275N?While sta

  Marine Knowledge June 29, 2026
• 12T Tri-Axle Fully Galvanized SZ-12 Heavy-Duty Boat Trailer

  As the global fleet of large yachts, law enforcement vessels, and offshore workboats continues to expand, demand for heavy-duty boat trailers with superior load capacity, corrosion resistance, and all-terrain adaptability has never been higher. Enter the SZ-12 Tri-Axle Boat Trailer — a heavy-duty fl

  Marine Knowledge June 25, 2026
• Deyuan Hatch Cover

  Marine hatch covers are essential components used primarily in marine and shipping industries to seal cargo hold openings on vessels such as bulk carriers, container ships, and general cargo ships, ensuring watertight integrity and protection of goods from seawater, weather, and contamination during

  Marine Knowledge June 11, 2026