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China Custom Commercial Air Cooled Water Chiller CHINAMFG air compressor price

Product Description

Commercial Air Cooled Water Chiller Screw Compressor

Company Profile
SENDO is a professional manufacturer of quality air conditioning products.
Sendo could supply most products in CHINAMFG field, such as Rooftop Packaged Unit, Split Commercial Unit, Air Cooled Water Chiller, Water Cooled Water Chiller, Chilled Water Air Handling Unit and Fan Coil Unit etc.
Sendo also supplies made-to-measure CHINAMFG solutions. We engineer and manufacture Air Conditioner to suit the building design and application.


Air Cooled Screw Chiller & Heat Pump
18 basic models with cooling capacity ranging from 196kW to 1164kW
R134a friendly refrigerant has no ozone-depletion potential

Colors can be ordered in either white or dark grey.


Reliable Operation

1. All parts and control components of the unit are provided by world-famous reliable suppliers to make the unit highly efficient, energy saving, and reliable, such as CHINAMFG Comp. & CHINAMFG EXV, Schneider electric etc.

2. The unit uses the advanced electronic expansion valve, which ensures excellent performance both under full load or partial load and higher control accuracy (Optional)
3. Each unit was extensively tested before delivery to verify its operational reliability and to ensure a smooth startup.

Easy and Fast Installation

1. The water pipe of the water-side heat exchanger has been equipped with water flow switch and is ready to use, which saves the job site installation time. Inlet and outlet pipes are equipped with flange connection, which makes the on-site installation easier.

2. The Chiller comes with the startup cabinet and control cabinet and has been filled with refrigerant and refrigeration oil before delivery. The chiller can be placed in service after being connected with power supply and water supply during field installation.

3. The built-in hydronic module is optional. This module integrates all necessary hydronic components such as water pump, filter, expansion tank, flow switch, safety valve, pressure gauge, and drainage valve.


1. High efficiency CHINAMFG screw compressor, CHINAMFG CHINAMFG is optional.
2. High efficiency heat exchanger. Condenser adopts the copper tube & hydrophilic aluminium fin coil type structure, the appearance is V-shape. This design increase the heat exchange area, reduce the temp. differences, thus increase the heat exchange efficiency by 20%. Evaporator built with high efficiency shell & tube type heat exchanger, factory insulated with flexible close cell material.
3. External rotor type axial fans, equipped with 3 phase direct drive motors, low noise 8 poles, protection level IP54, provided with a protective outlet grille.
4. Electric panel consist of: compressor contactor, fan motor contactor, compressor isolating switch, fan protection breaker, phase sequence relay and microprocessor with function display. All of them are Schneider Electric brand.


Colors can be ordered in either white or dark grey;
Cooling only or heat pump;
Refrigerant is optional;
Capacity can be ordered based on projects actual demand;
Low ambient temperature cooling;

Process cooling unit – Provide customized inlet/outlet water temperature condition;

Total or partial heat recovery;
Top-level efficiency free cooling;
Optional CHINAMFG fins for some area need special anti-corrosion;

Build-in hydronic module;
Scroll R410A compressors.



Model Unit 200 250 300 320 360 400
Cooling Capacity * kW 196 238 306 340 358 405
Cooling Power Input kW 62.7 77.2 94.6 103.2 112.2 124.5
Heating Capacity ** kW 213 257 339 362 385 446
Heating Power Input kW 61.2 75.4 93.6 100.7 109.5 123.2
Power Supply / 380~415V/3Ph/50Hz
Refrigerant / R134A
Type / Semi-hermetical Screw Compressor
Qty/Refrigerant Circuit Nos 1/1 1/1 1/1 1/1 1/1 1/1
Cooling Power Input * kW 56.7 68.4 85.6 92.8 100.4 111.3
Heating Power Input ** kW 55.2 66.6 84.6 90.3 97.7 110.0
Energy Adjustment % 25%~100% 25%~100% 25%~100% 25%~100% 25%~100% 25%~100%
Water Side Heat Exchanger
Type / High Efficient Shell & Tube Heat Exchanger
Water Flow Rate m3/h 33.7 40.9 52.6 58.5 61.6 69.7
Water Side Pressure Drop kPa 45 45 46 46 48 65
Connect Pipe mm 80 80 125 125 125 125
Air Side Heat Exchanger
Type / Copper Pipe + Anticorrosion Aluminium Fin
Fan Type / Axial / Direct
Fan Motor Number Nos 4 4 6 6 6 6
Air Flow m3/h 88000 112000 132000 144000 156000 168000
Power Input kW 4×1.5 4×2.2 6×1.5 4×1.5+2×2.2 2×1.5+4×2.2 6×2.2
Sound Pressure Level *** dB(A) 80 80 79 79 81 82
Net Weight kg 2460 2780 3450 3550 3720 3960


Model Unit 430 470 500 520 570 610
Cooling Capacity * kW 411 465 490 515 554 574
Cooling Power Input kW 128.4 143.0 152.7 157.0 169.2 176.2
Heating Capacity ** kW 442 513 526 566 610 611
Heating Power Input kW 125.3 141.5 149.0 155.4 167.4 172.0
Power Supply / 380~415V/3Ph/50Hz
Refrigerant / R134A
Type / Semi-hermetical Screw Compressor
Qty/Refrigerant Circuit Nos 1/1 1/1 1/1 1/1 1/1 1/1
Cooling Power Input * kW 115.0 128.2 136.5 139.4 151.4 155.6
Heating Power Input ** kW 111.9 126.7 132.8 137.8 149.6 151.4
Energy Adjustment % 25%~100% 25%~100% 25%~100% 25%~100% 25%~100% 25%~100%
Water Side Heat Exchanger
Type / High Efficient Shell & Tube Heat Exchanger
Water Flow Rate m3/h 70.7 80.0 84.3 88.6 95.3 98.7
Water Side Pressure Drop kPa 55 66 51 51 52 50
Connect Pipe mm 125 125 125 125 125 125
Air Side Heat Exchanger
Type / Copper Pipe + Anticorrosion Aluminium Fin
Fan Type / Axial / Direct
Fan Motor Number Nos 8 8 8 8 10 10
Air Flow m3/h 188000 200000 212000 224000 244000 268000
Power Input kW 6×1.5+2×2.2 4×1.5+4×2.2 2×1.5+6×2.2 8×2.2 6×1.5+4×2.2 2×1.5+8×2.2
Sound Pressure Level *** dB(A) 81 82 82 82 82 82
Net Weight kg 4580 4760 4860 4960 5860 6220

* Cooling inlet/outlet temp: 12°C/7°C; Outdoor temp (DB/WB):35°C/24°C;
** Heating outdoor temp DB 7°C, WB 6°C;Water inlet/outlet temp 40/45°C.
*** Sound pressure measured at a distance of 1 m and a height of 1.5 m above the ground in a clear field.


Production Line & Project Reference

Sendo contribution to combat rising energy costs and global warming is to design innovative, efficient and dependable AC products, while providing best comfort and air quality. We are optimistic about the response that we expect to get from our potential customers because we strive to ensure that our customers get the quality products when they approach us and we are determined to ensure that our customers can obtain various benefits when they buy CHINAMFG Air Conditioners.

Get in touch with us and book a Factory Tour! Sincerely welcome to visit our factory at your convenience.

Type: Air-Cooled
Cooling Method: Water Chiller
Unit Structure: Packaged
Selected Voltage: 50Hz/60Hz
Compressor Number: 1-2
Noise Level: Low


air compressor

How are air compressors used in the food and beverage industry?

Air compressors play a vital role in the food and beverage industry, providing a reliable source of compressed air for various applications. Here are some common uses of air compressors in this industry:

1. Packaging and Filling:

Air compressors are extensively used in packaging and filling operations in the food and beverage industry. Compressed air is utilized to power pneumatic systems that control the movement and operation of packaging machinery, such as filling machines, capping machines, labeling equipment, and sealing devices. The precise and controlled delivery of compressed air ensures accurate and efficient packaging of products.

2. Cleaning and Sanitization:

Air compressors are employed for cleaning and sanitization purposes in food and beverage processing facilities. Compressed air is used to operate air-powered cleaning equipment, such as air blowguns, air-operated vacuum systems, and air knives. It helps remove debris, dust, and contaminants from production lines, equipment, and hard-to-reach areas. Additionally, compressed air is used for drying surfaces after cleaning and for applying sanitizing agents.

3. Cooling and Refrigeration:

In the food and beverage industry, air compressors are utilized in cooling and refrigeration systems. Compressed air is used to drive air compressors in refrigeration units, enabling the circulation of refrigerants and maintaining optimal temperatures for food storage and preservation. The controlled airflow provided by the compressors facilitates efficient cooling and refrigeration processes.

4. Aeration and Mixing:

Air compressors are used for aeration and mixing applications in the food and beverage industry. Compressed air is introduced into processes such as fermentation, dough mixing, and wastewater treatment. It helps in promoting oxygen transfer, enhancing microbial activity, and facilitating proper mixing of ingredients or substances, contributing to the desired quality and consistency of food and beverage products.

5. Pneumatic Conveying:

In food processing plants, air compressors are employed for pneumatic conveying systems. Compressed air is used to transport bulk materials such as grains, powders, and ingredients through pipes or tubes. It enables the gentle and efficient movement of materials without the need for mechanical conveyors, reducing the risk of product damage or contamination.

6. Quality Control and Testing:

Air compressors are utilized in quality control and testing processes within the food and beverage industry. Compressed air is used for leak testing of packaging materials, containers, and seals to ensure product integrity. It is also employed for spraying air or gases during sensory analysis and flavor testing.

7. Air Agitation:

In certain food and beverage production processes, air compressors are used for air agitation. Compressed air is introduced into tanks, mixing vessels, or fermentation tanks to create turbulence and promote mixing or chemical reactions. It aids in achieving consistent product quality and uniform distribution of ingredients or additives.

It is important to note that air compressors used in the food and beverage industry must meet strict hygiene and safety standards. They may require specific filtration systems, oil-free operation, and compliance with food safety regulations to prevent contamination or product spoilage.

By utilizing air compressors effectively, the food and beverage industry can benefit from improved productivity, enhanced product quality, and efficient processing operations.

air compressor

What safety precautions should be taken when working with compressed air?

Working with compressed air requires adherence to certain safety precautions to prevent accidents and ensure the well-being of individuals involved. Here are some important safety measures to consider:

1. Personal Protective Equipment (PPE):

Wear appropriate PPE, including safety goggles or a face shield to protect eyes from flying debris or particles, hearing protection to reduce noise exposure, and gloves to safeguard hands from potential hazards.

2. Compressed Air Storage:

Avoid storing compressed air in containers that are not designed for this purpose, such as soda bottles or makeshift containers. Use approved and properly labeled air storage tanks or cylinders that can handle the pressure and are regularly inspected and maintained.

3. Pressure Regulation:

Ensure that the air pressure is regulated to a safe level suitable for the equipment and tools being used. High-pressure air streams can cause serious injuries, so it is important to follow the manufacturer’s recommendations and never exceed the maximum allowable pressure.

4. Air Hose Inspection:

Regularly inspect air hoses for signs of damage, such as cuts, abrasions, or leaks. Replace damaged hoses immediately to prevent potential accidents or loss of pressure.

5. Air Blowguns:

Exercise caution when using air blowguns. Never direct compressed air towards yourself or others, as it can cause eye injuries, hearing damage, or dislodge particles that may be harmful if inhaled. Always point blowguns away from people or any sensitive equipment or materials.

6. Air Tool Safety:

Follow proper operating procedures for pneumatic tools. Ensure that tools are in good working condition, and inspect them before each use. Use the appropriate accessories, such as safety guards or shields, to prevent accidental contact with moving parts.

7. Air Compressor Maintenance:

Maintain air compressors according to the manufacturer’s guidelines. Regularly check for leaks, clean or replace filters, and drain moisture from the system. Proper maintenance ensures the safe and efficient operation of the compressor.

8. Training and Education:

Provide adequate training and education to individuals working with compressed air. Ensure they understand the potential hazards, safe operating procedures, and emergency protocols. Encourage open communication regarding safety concerns and implement a culture of safety in the workplace.

9. Lockout/Tagout:

When performing maintenance or repairs on compressed air systems, follow lockout/tagout procedures to isolate the equipment from energy sources and prevent accidental startup. This ensures the safety of the individuals working on the system.

10. Proper Ventilation:

Ensure proper ventilation in enclosed areas where compressed air is used. Compressed air can displace oxygen, leading to a potential risk of asphyxiation. Adequate ventilation helps maintain a safe breathing environment.

By adhering to these safety precautions, individuals can minimize the risks associated with working with compressed air and create a safer work environment.

air compressor

What is the difference between a piston and rotary screw compressor?

Piston compressors and rotary screw compressors are two common types of air compressors with distinct differences in their design and operation. Here’s a detailed explanation of the differences between these two compressor types:

1. Operating Principle:

  • Piston Compressors: Piston compressors, also known as reciprocating compressors, use one or more pistons driven by a crankshaft to compress air. The piston moves up and down within a cylinder, creating a vacuum during the intake stroke and compressing the air during the compression stroke.
  • Rotary Screw Compressors: Rotary screw compressors utilize two intermeshing screws (rotors) to compress air. As the male and female screws rotate, the air is trapped between them and gradually compressed as it moves along the screw threads.

2. Compression Method:

  • Piston Compressors: Piston compressors achieve compression through a positive displacement process. The air is drawn into the cylinder and compressed as the piston moves back and forth. The compression is intermittent, occurring in discrete cycles.
  • Rotary Screw Compressors: Rotary screw compressors also employ a positive displacement method. The compression is continuous as the rotating screws create a continuous flow of air and compress it gradually as it moves along the screw threads.

3. Efficiency:

  • Piston Compressors: Piston compressors are known for their high efficiency at lower flow rates and higher pressures. They are well-suited for applications that require intermittent or variable air demand.
  • Rotary Screw Compressors: Rotary screw compressors are highly efficient for continuous operation and are designed to handle higher flow rates. They are often used in applications with a constant or steady air demand.

4. Noise Level:

  • Piston Compressors: Piston compressors tend to generate more noise during operation due to the reciprocating motion of the pistons and valves.
  • Rotary Screw Compressors: Rotary screw compressors are generally quieter in operation compared to piston compressors. The smooth rotation of the screws contributes to reduced noise levels.

5. Maintenance:

  • Piston Compressors: Piston compressors typically require more frequent maintenance due to the higher number of moving parts, such as pistons, valves, and rings.
  • Rotary Screw Compressors: Rotary screw compressors have fewer moving parts, resulting in lower maintenance requirements. They often have longer service intervals and can operate continuously for extended periods without significant maintenance.

6. Size and Portability:

  • Piston Compressors: Piston compressors are available in both smaller portable models and larger stationary units. Portable piston compressors are commonly used in construction, automotive, and DIY applications.
  • Rotary Screw Compressors: Rotary screw compressors are typically larger and more suitable for stationary installations in industrial and commercial settings. They are less commonly used in portable applications.

These are some of the key differences between piston compressors and rotary screw compressors. The choice between the two depends on factors such as required flow rate, pressure, duty cycle, efficiency, noise level, maintenance needs, and specific application requirements.

China Custom Commercial Air Cooled Water Chiller CHINAMFG   air compressor priceChina Custom Commercial Air Cooled Water Chiller CHINAMFG   air compressor price
editor by CX 2023-12-14