ZHEJIANG KAIDI REFRIGERATION EQUIPMENT CO.,LTD
                                                                                                           
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31 Years
Since 1995
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EW Series Water Defrost Unit Coolers for Cold Storage - 9.8KW to 81.9KW Capacity with φ500/630 Fan Options

Price Negotiable
Price: $100.00 - $1,700.00/sets
MOQ: 1 Piece
Delivery Time: 10-15 days
Brand: Kaideli
Product Description
EW Series Water Defrost Unit Coolers

EW series unit coolers utilize water defrosting technology for efficient cooling in 0°C fresh storage and -18°C cold storage applications. This advanced defrosting method offers rapid defrost cycles, minimal temperature fluctuation, and significant energy savings.

Key Product Features
  • High-quality galvanized steel casing with silver powder coating (RAL7001) for superior corrosion resistance
  • Hinged side panels for convenient maintenance access
  • Dual water tray design: outer angular tray for smooth drainage, inner flume structure for direct water discharge
  • Sealed spray water tray with air inlet water baffle to prevent splash
  • Copper tube φ15 with 50×50 square arrangement for optimal heat transfer
  • Corrugated aluminum fins with hydrophilic film in 4.0mm, 6.0mm, and 9.0mm spacing options
  • High-power external rotor fans operating at -30°C to 60°C
  • IP65 waterproof junction boxes and connectors for reliable operation
  • Factory pressure tested at 23bar for safety assurance
Standard Configuration & Options
Component Configuration
Casing Galvanized sheet with powder coating (Standard)
Fin Hydrophilic aluminum fins (Standard)
Defrosting Water defrosting (Standard)
Fan WEIGUANG motor (Standard)
● Standard; ○ Options; × Not available
Technical Specifications
Fin Spacing 4.0mm Models
Model Capacity R404A (KW) Airflow (m³/h) Motor Input (W)
EW501/DL-T 9.8 (0°C ΔT=8K) 6800 500
EW502/DL-T 19.6 (0°C ΔT=8K) 13600 1000
EW503/DL-T 29.3 (0°C ΔT=8K) 20400 1500
Evaporator Selection Guide
0°C Cold Room
Fin spacing: 4.5mm | Evaporator capacity: 1.0 × Q0
-18°C Cold Room
Fin spacing: 6.0mm | Evaporator capacity: 1.1 × Q0
-25°C Cold Room
Fin spacing: 9.0mm | Evaporator capacity: 1.27 × Q0
Quality Assurance & Manufacturing

Established in 1995 with 28 years of refrigeration expertise, our facility spans 50,000 square meters with comprehensive quality control procedures. All products undergo rigorous 23bar pressure testing and comply with CE, ISO, and pressure equipment certifications.

Frequently Asked Questions
Where is your factory located?
Our manufacturing facility is based in Shengzhou, Zhejiang province - China's refrigeration equipment production hub.
What is your minimum order quantity?
Standard products available from 1 unit with custom specifications available upon request.
EW Series Unit Cooler technical diagram and specifications Quality control process flowchart for refrigeration equipment manufacturing

Get in Touch

Have questions about our products or want to discuss a custom order? Our team is ready to help you.

Company ZHEJIANG KAIDI REFRIGERATION EQUIPMENT CO.,LTD
Location BLOCK A,GANLIN INDUSTRY PARK,SHENGZHOU CITY,ZHEJIANG PROVINCE,CHINA
Contact Person Jacky Cheng

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