China Air Cooler Water Defrosting Evaporator for Cold Storage - Reliable Suppliers and Factory Solutions

In the refrigeration industry, maintaining optimal temperatures is essential for preserving perishable goods. Among the key components to achieve this is the electric defrost evaporating unit. Our Air Cooler, manufactured in China, is a versatile heat exchange equipment suitable for various cold storage applications, including high temperature, medium temperature, low temperature, civil cold storage, and combined cold storage, Our water defrost Air Cooler utilizes a warm water system to efficiently melt accumulated frost on the evaporator coil. This process prevents clogging and ensures the unit operates at peak efficiency. The water defrost systems are intelligently activated at predetermined intervals or when frost levels reach a specific threshold. Warm water circulates over the evaporator coil, effectively removing frost and allowing the Air Cooler to maintain optimal performance, As a leading factory and reliable supplier in the refrigeration industry, we are committed to providing top-quality products that enhance efficiency and preserve the freshness of goods

Product Description

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Products Description

Our water defrost Air Cooler: W-series air coolers are divided into three series: W-SD, W-SL and W-SJ types, used differently as evaporators in medium temperature, high-temperature, and low-temperature cold storages.

W series water defrost air coolers have compact structure, light weight, easy installation, fast air circulation in the storage, and it can balance storage temperature.

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Product Details

The Air Cooler needs to be used with the refrigeration compressor unit. According to the required storage temperature, the corresponding air cooler should be selected.

W-SD Type Suitable for cold storage with a storage temperature from -5°C to 5°C (23 ~ 41°F). Can store fresh foods, vegetables and other items.
W-SL Type Suitable for cold storage with a storage temperature from -15 to -25°C (5 ~ -13°F). Suitable for freezing/refrigerated beef, mutton, fish, and seafood.
W-SJ Type Suitable for cold storage with a storage temperature of -25°C to -40°C (-13 ~ -40°F). Mainly used for quick-frozen poultry, seafood, dairy products, etc.
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Blowing and Mounted Types

Ceiling Mounted

Oblique Side Blow
Oblique Side Blow
Standard Side Blow
Standard Side Blow
Double Side Blow
Double Side Blow

Floor Stand

Standard Top Blow
Standard Top Blow
Vertical Side Blow
Vertical Side Blow

Core Features

Steel Plate Cabinet
Steel Plate Cabinet
Robust cabinet with plastic spray coating
Excellent corrosion proof performance
Color can be customized upon request
Copper Tubes
Premium Copper Tubes
Mechanically expanded copper tubes for superior heat transfer
Air Throw Cowl
Air Circulation
Long distance air throw cowl available
Compatible with Refrigerants: R404A, R507A, R22, etc.
Hydrophilic Aluminum Foil
Blue Hydrophilic Foil
Standard blue hydrophilic aluminum foil
Multiple AL foil types available for different environments
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Model & Specifications

Model Description
● Standard ○ Optional
Water Defrost Air Cooler Model Specification
Series Area (m²) Defrost Method Temp Installation & Blow Type Fan Motor Fan Type Fin Type
Water Elec. Hot F. Range Roof Std Oblique Double Floor Std Vertical MaEr EBM Qty Outer Axial Light Hydro. Other
HT-WS 30-670 J/D/L 2-4
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Why Choose Water Defrosting?

Water defrost air coolers are an essential component of modern cold storage. Using warm water for defrosting is often more energy-efficient than electric heating, significantly reducing operating costs while maintaining optimal cooling performance for perishable goods.

⚡ Energy Efficiency

Designed to minimize energy consumption and lower overall utility expenses.

🔄 Auto-Defrost

Ensures hands-free operation and maintains peak performance automatically.

🌡️ Precise Control

Advanced systems to keep the storage environment stable and within required ranges.

🛡️ High Durability

Built with high-quality materials to withstand harsh industrial refrigeration conditions.

Frequently Asked Questions

Q What are the differences between W-SD, W-SL, and W-SJ series?
W-SD is for medium temps (-5°C to 5°C) for fresh produce. W-SL is for low temps (-15°C to -25°C) for frozen meats and seafood. W-SJ is for ultra-low temps (-25°C to -40°C) used in quick-freezing applications.
Q Which refrigerants can be used with these air coolers?
The units are compatible with various common refrigerants, including R404A, R507A, and R22, providing flexibility for different system setups.
Q What mounting options are available for the W-series?
We offer both ceiling-mounted (Side Blow, Oblique, Double Side) and floor-stand (Top Blow, Vertical) configurations to suit your specific cold storage layout.
Q Is water defrosting the only option?
No. While water defrost (S) is standard, we also offer Electric Defrost (D) and Hot Fluorine Defrost (R) as optional configurations based on your needs.
Q Can I customize the fan motor or fin material?
Yes. Standard units use MaEr motors and hydrophilic aluminum foil, but EBM motors and various other foil types can be requested for customized performance.
Q What is the maximum evaporating area available?
The HT-WS series covers a wide range of evaporating areas, starting from 30 m² up to 670 m² for large-scale industrial applications.

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