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cooling tower

800ton square cooling tower


Refrigerant circuit complete with charge valves, filter drier, sight glass, gas-liquid separator, thermostatic expansion valve, high & low pressure switch. The heat pump unit is completed also with 4-way valve, liquid receiver and one way valve. Hydraulic circuit built with galvanized pipe, complete with water discharge connection for shell and tube heat exchanger and flange type hydraulic connectors.

cooling tower

Product description

The series Air chiller used the Bitzer screw compressor from Germany, with its own superiority: high energy efficiency, low noise, high 

reliability, small footprint, easy installation, simple operation and high flexibility. It is widely used in surface engineering, medicine, chemical 

industry, metallurgy, leather, laser, electronics, plastic injection molding, printing and other industries. The series water chillers have too 

many models. It can achieve a perfect match for industrial applications.


Features of chiller

1. Employing original double SCREW compressor, Compressor may according loading auto-adjust, add level sensor for prevent compressor low-loading to luck-oil, extent use life

2. Employing all-new imported high class component

3. Employing two sets of compressor which can be used jointly or independent

4. Switch control, easy operation and maintenance

5. The weld of brass pipe is non-oxidization

6.Condenser and Evaporator both to conform GB150, GB151, TB/T4750-2003,operation safe

Safety system

1  Compressor reverse protective 

2  Freeze protector protective 

3  Refrigerant safety valve 

4  Buzzer

5  High-pressure gauge and Low-pressure gauge 

6  Power phase failure protector 

7  Coil over-heat protector 

8  Temperature auto-switch 

9  Refrigerant shortage protective

Product Details

HUAZHAO REFRIGERATION set uses the high quality product, don't ignore every detail, to meet the requirements of product you need.

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Transport process 

From design to assembly and then ship the unit, every step we require our workers to control the quality strictly, so that each unit can be delivered perfectly.


Customer visit

The arrival of customers is the greatest trust and support for our, our superior professional full service has won customers’ unanimous recognition, every time your visit makes a solid mark in the process of opening up overseas markets

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Product certification

HUAZHAO REFRIGERATION many years decades trials and hardships, we strive and sweat to get a variety of industry certification, authorization..



Our Services

24 hours online service

Enquiry will be replied within 1 hours

Our Advantages

1. High quality and professional manufacturer

2. Advanced equipments for manufacturing and testing 

3. Short delivery time 

4. Good after-sale service


1.What's the cooling capacity of chillers?

Cooling capacity from 12kw to 2200kw, model choice based on customer actual working condition request

2.What's the delivery time?

Delivery about 15-30 days after deposit confirmed.

3.What's your payment term?

a.We accept 30% T/T as the deposit, the balance payment paid before delivery

b. L/C at sight

4.What’s the voltage of your chiller?

Voltage is 380V,400V,415V,460V/480V just as your request.

5.What is your warranty period?

  One year

But based on some special project, we can extended our warranty period.

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