Marine natural refrigerants are eco-friendly substances like ammonia, CO2, or hydrocarbons used in marine refrigeration systems. These systems are designed to minimize environmental impact while maintaining high efficiency in cooling applications aboard ships. They comply with strict international regulations to reduce greenhouse gas emissions in the maritime industry.
Marine Natural Refrigerants: Key specifications include ammonia (R717), carbon dioxide (R744), and hydrocarbons (propane R290, isobutane R600a). Grade: Industrial purity (99.5%+). Viscosity: Low (ammonia ~0.25 cP, CO2 ~0.07 cP). Buoyancy: Varies (ammonia lighter than air, CO2 denser). Material compatibility: Stainless steel, copper (for ammonia), carbon steel (CO2).
Refrigeration Systems: Size ranges from small (1-10 kW) to large (100+ kW). Operating pressures: Low (ammonia ~10-15 bar) to high (CO2 ~30-100 bar). Material: Stainless steel, aluminum, carbon steel. Efficiency: High (ammonia COP ~4-6, CO2 transcritical COP ~3-5). Temperature range: -50°C to +10°C (ammonia), -40°C to +30°C (CO2).
Ropes, paints, safety gear, and workshop tools.
Fresh/canned food, bonded stores, and PPE kits.
Air/sea freight with port-to-vessel handover.
Certified water testing and offshore delivery.
Secure USD/EUR disbursement in major ports.
Global network of certified fuel providers with real-time pricing. OEM-approved oils (Shell, Exxon, etc.).
Port reception facilities with automated documentation.
Hull cleaning, propeller polishing, and cathodic protection surveys.
Visa assistance, airport transfers, and quarantine coordination.
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