1. Overview:

The Water Defrost Air Cooler (including SDL, SDD, SDJ) is a versatile cooling unit designed for Freon refrigeration systems. It provides precise temperature control for various cold storage applications:

• SDL Series: Fresh storage (around 0°C/32°F) – preserves fruits, vegetables, dairy.

• SDD Series: Cold storage (at -18°C/-0.4°F) – for frozen meat, seafood, quick-frozen goods.

• SDJ Series: Ultra-low temperature freezing (down to -25°C/-13°F) – for ice cream, deep-frozen seafood.

Its robust, corrosion-resistant design and efficient heat exchange ensure stable cooling across cold chain, food processing, and pharmaceutical sectors.

2. Key Features & Technical Advantages:

• Superior Durability:

  • Corrosion-Resistant Shell: Premium steel plates with specialized treatment offer exceptional longevity (15+ years) and visual appeal in humid environments.

  • High-Efficiency Coils: High-quality copper tubes with tight fin bonding maximize cooling performance (e.g., SDD-12/60 model: 12kW at -18°C/-0.4°F).

  • Leak-Free Assurance: 2.5MPa air pressure testing guarantees no leaks, ensuring long-term efficiency.

• Energy-Saving & Smart Defrosting:

  • Intelligent Defrost: Stainless steel heating tubes with rational distribution shorten defrosting time by 30% and cut energy consumption during defrost cycles.

3. Core Applications:

• Cold Chain Logistics & Warehousing:

  • Frozen Foods: Maintains stable -18°C/-0.4°F to prevent frost damage and ensures uniform temperature distribution.

  • Pharmaceuticals: Meets GMP standards for precise temperature control of vaccines, reagents, and drugs.

• Food Processing:

  • Quick-Freezing: SDJ series rapidly cools to -25°C/-13°F, preserving freshness and boosting efficiency. Minimizes downtime with efficient defrosting.

• Textile & Chemical Industries:

  • Low-Temperature Storage: Controls temperature to prevent deterioration of raw materials caused by moisture and heat.

4. Customization Options:

• Shell Materials: Embossed aluminum or stainless steel for enhanced corrosion resistance in extreme conditions.

• Refrigerant Compatibility: Supports ethylene glycol or fluorine pump systems.

• Air Ducting: Options for long-type air supply and designs for ultra-low temperatures (below -35°C/-31°F) for specialized needs.

5. Why Choose the Water Defrost Air Cooler?

• Targeted Performance: Precisely matches different cold storage temperatures (0°C, -18°C, -25°C) for optimal product quality and safety.

• Reduced Operating Costs: High-quality, durable, and low-maintenance design lowers long-term expenses.

• Eco-Friendly Operation: Advanced technologies minimize energy consumption, supporting green initiatives.