Drawing Customization Cooling Coils for Supermarket Display Cabinets

These fin-tube cooling coils are the core evaporator heat exchangers installed inside refrigerated display cases, responsible for absorbing heat from cabinet air to maintain stable food storage temperatures. They serve open chillers, glass-door deli cabinets, dairy showcases, fruit/vegetable coolers, island freezers and beverage merchandisers in supermarkets.

Working Principle

It follows the standard refrigeration evaporator heat transfer cycle:

Low-pressure, subcooled liquid refrigerant (R404A/R507/R134a/R290) flows inside seamless tubes of the coil.

Cabinet warm & humid air is forced across the coil fins by internal fans; heat transfers from air through fins/tube walls to refrigerant.

Refrigerant absorbs latent heat, evaporates into low-temperature vapor, cooling the circulating air to target storage temperature.

Cold air circulates evenly around food products, then the refrigerant vapor flows back to the compressor to complete the cycle.

Key supermarket feature: Cabinets face frequent door openings, massive humid air infiltration. The coil must handle high moisture load and periodic defrost cycles to prevent full frost blockage.

Key Advantages Tailored to Supermarket Operation

Compact customized size

Made to fit narrow cabinet top air ducts, multi-layer shelf showcases, island freezer internal space; flexible circuit layout matches different cooling loads.

Uniform cabinet temperature

Optimized fin louver + coil airflow design eliminates cold/hot dead zones, prevents partial freezing of fresh produce or uneven thawing of frozen goods.

Anti-corrosion & easy maintenance

Hydrophilic coated fins drain condensate rapidly; coated/aluminum/SS materials resist rust from daily high humidity and food volatile vapor, reduce coil cleaning frequency.

Energy saving

High heat exchange efficiency reduces compressor running time; optimized fin pitch minimizes fan air resistance to cut fan power consumption (supermarket refrigeration accounts for 40–60% of store total electricity).

Stable continuous operation

Designed for 24/7 non-stop supermarket operation, uniform defrost avoids complete airflow blockage and cabinet temperature spikes.