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Marine Water Chillers: Essential Cooling for Fishing Vessels
Release time:
2026-01-30
With advancements in shipbuilding and the growth of offshore fishing, marine water chillers have become vital for modern fishing vessels. These systems maintain stable water temperatures, preserving the freshness of caught fish until they reach shore or are processed on board. Without proper refrigeration, fish can spoil quickly, causing significant losses.
How Marine Water Chillers Work
Marine chillers operate on a similar principle to land-based chillers but are built for marine conditions. The compressor compresses low-pressure refrigerant into high-pressure gas, which passes through a seawater-cooled condenser and condenses into liquid. After expanding through a valve, the refrigerant enters the evaporator, absorbing heat from circulating water. This chilled water is then delivered to fish storage tanks or processing areas, completing a continuous cooling cycle.
Key Components
Compressor: Core of the system, available as piston, screw, scroll, or reciprocating types.
Condenser: Usually shell-and-tube, using seawater; corrosion-resistant materials like titanium, stainless steel, or copper-nickel are used.
Evaporator: Shell-and-tube or plate type, often stainless steel, for efficient heat exchange and durability.
Expansion Device & Control System: Ensure precise refrigerant flow and stable water temperatures.
All components are compact and durable to meet space limitations and harsh marine conditions.
Real-World Application: Maldives Fishing Vessels
Hengde has helped fishing companies improve onboard fish preservation. A Maldivian shipyard faced spoilage due to vessels lacking refrigeration. After installing Hengde marine water chillers, water temperatures remained stable, keeping fish fresh and reducing losses. The client was impressed with the chillers’ performance and now plans to equip all future vessels with Hengde systems.
Why Choose Hengde Marine Chillers
High-quality marine chillers ensure reliable cooling, corrosion resistance, and long-term performance. Hengde marine water chillers are designed to meet the demanding requirements of offshore operations, helping fishing vessels maintain fish quality while operating efficiently at sea.
Choose Hengde — trusted marine chiller solutions for fishing vessels worldwide.
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