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China wholesaler Reciprocating Compressor for Refrigeration Unit Air Cooling System with high quality

Product Description

Compressor 

Product Description

The compressors applied in the air conditioning industry in diverse applications including split systems, rooftops, packaged units and chillers, scroll compressors are now the most used compression technology replacing reciprocating and screw compressors due to its undeniable superiority.
Several, fully CHINAMFG qualified, multiple compressor assemblies (tandem and trio) are available to be used in large capacity systems to deliver optimal comfort, low operating cost with higher seasonal efficiency.

 

1. High efficiency

2. Good reliability

3. Low noise, low vibration

4. Original and new

5. Refrigerant: R407

 

Features and Benefits

• CHINAMFG Scroll axial and radial compliance for superior reliability and efficiency

• Wide scroll line-up

• Low oil circulation rate

• Superior liquid handling capability

 

• Low sound and vibration level

• Low Total Equivalent Warming Impact

• CHINAMFG qualified tandem and trio configurations for superior seasonal efficiency

 

Application diagram

Model NO. Cooling Capacity (rating point 7.2) nominal hp Displ. cc/rev nom current  FLa Weight (Kg)
ZR22K3PFJ522 5240 1.83 30.7 9.6 26
ZR28K3PFJ522 6970 2.33 39.2 12.9 27.3
ZR28K3EPFJ522 6970 2.33 39.2 12.9 27.3
ZR34K3PFJ522 8260 2.83 46.1 13.6 29.5
ZR34K3EPFJ522 8260 2.83 46.1 13.6 29.5
ZR36K3PFJ522 8850 3 49.5 16.4 29.5
ZR40K3PFJ522 9620 3.33 54.19 17.1 32
ZR42K3PFJ522 10140 3.5 56.8 17.1 30
ZR47K3PFJ522 11500 3.9 64.1 19.3 32.6
ZR68KCPFJ522 16800 5.75 93 28.2 43.5
ZR28K3TFD522 6970 2.33 39.2 5 26
ZR28K3ETFD522 6970 2.33 39.2 5 26
ZR36K3TFD522 8850 3 49.5 5.7 29.5
ZR40K3TFD522 9260 3.33 51.2 6.4 32
ZR47KCTFD522 11400 3.9 63.2 7.2 32.6
ZR47KCETFD522 11400 3.9 63.2 7.2 32.6
ZR48KCTFD522 11500 4.1 67.2 7.5 38
ZR48KCETFD522 11500 4.1 67.2 7.5 38
ZR54KCTFD522 13000 4.5 73.2 8.2 35.5
ZR57KCTFD522 13660 4.75 76.9 8.2 36
ZR57KCETFD522 13660 4.75 76 8.2 36
ZR61KCTFD522 14700 5 82.4 10 35.9

 

Due to too many models not clearly listed, you can consult us separately for specifications

Production and Manufacturing

 

Professional and experienced compressor manufacturers, only to provide better compressors. 

 

After strict inspection and screening.

Application

 

Company Profile

ZHangZhoug Damai Refrigeration Technology Co., Ltd is located in Shaoxin,ZHangZhoug.Damai is a company specializing in refrigeration and air conditioning equipment.Our main equipment is Cold room,Evaporator,Condenser,Condensing unit,Compressor,Cold room panel/door,Flake ice machine,Block ice machine and so on.We have more than 10 years of experience in the field of cold storage, with high-quality technology and professional product knowledge.We are able to provide consumers with professional and high-quality technical services.The quality of our products can be guaranteed.

 

 

Why choose our company ?
1.Because our company has CAC official .
2.We have a good one-year after-sales service.
3.We have over 20 years of sales experience. 
4.We have our own factory.
5.We will try our best to provide a professional response as soon as possible.

Product advantages
1.Quite operation.
2.Seamless connection.
3.Easy installation
4.Beautiful and elegant placement of circuit devices.
5.Using the best equipment.
6.Not easily damaged.

 

FAQ

1: How long is the delivery time? 
It takes within 1 month from receipt of the deposit to preparation of the goods.

2: How long is the quality guarantee period?
The warranty period is 1 year, and the after-sales service is available 24 hours.

3: What is your price?
Our FOB price is based on quantity, material and size you required.The more machines you order, the lower price we will give! Also CIF CNF price is the same.

4: What can you do for us?
All material/ size are available, also we can customize products as your requirements. Any questions, pls don’t hesitate to contact us.

After Sales Service

Pre-sales:
We provide assistance to our customers, provide valid information according to the requirements of our guests, answer questions, leave a professional impression, and lay the foundation for future sales.

Selling:
let our customers know more about our products, and enthusiastically answering questions for customers and providing customers with a pleasant buying experience.

After-sales:
After the products are sold, the professionals provide training services, check and maintain the products regularly, if there is problems for the quality,Will solve it for customers in time.
 

If you are interested in our products, please contact us as soon as possible.

 

After-sales Service: 1year
Warranty: 1year
Lubrication Style: Lubricated
Samples:
US$ 450/Piece
1 Piece(Min.Order)

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Order Sample

Customization:
Available

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Currency: US$
Return&refunds: You can apply for a refund up to 30 days after receipt of the products.

air compressor

What is the impact of humidity on compressed air quality?

Humidity can have a significant impact on the quality of compressed air. Compressed air systems often draw in ambient air, which contains moisture in the form of water vapor. When this air is compressed, the moisture becomes concentrated, leading to potential issues in the compressed air. Here’s an overview of the impact of humidity on compressed air quality:

1. Corrosion:

High humidity in compressed air can contribute to corrosion within the compressed air system. The moisture in the air can react with metal surfaces, leading to rust and corrosion in pipes, tanks, valves, and other components. Corrosion not only weakens the structural integrity of the system but also introduces contaminants into the compressed air, compromising its quality and potentially damaging downstream equipment.

2. Contaminant Carryover:

Humidity in compressed air can cause carryover of contaminants. Water droplets formed due to condensation can carry particulates, oil, and other impurities present in the air. These contaminants can then be transported along with the compressed air, leading to fouling of filters, clogging of pipelines, and potential damage to pneumatic tools, machinery, and processes.

3. Decreased Efficiency of Pneumatic Systems:

Excessive moisture in compressed air can reduce the efficiency of pneumatic systems. Water droplets can obstruct or block the flow of air, leading to decreased performance of pneumatic tools and equipment. Moisture can also cause problems in control valves, actuators, and other pneumatic devices, affecting their responsiveness and accuracy.

4. Product Contamination:

In industries where compressed air comes into direct contact with products or processes, high humidity can result in product contamination. Moisture in compressed air can mix with sensitive products, leading to quality issues, spoilage, or even health hazards in industries such as food and beverage, pharmaceuticals, and electronics manufacturing.

5. Increased Maintenance Requirements:

Humidity in compressed air can increase the maintenance requirements of a compressed air system. Moisture can accumulate in filters, separators, and other air treatment components, necessitating frequent replacement or cleaning. Excessive moisture can also lead to the growth of bacteria, fungus, and mold within the system, requiring additional cleaning and maintenance efforts.

6. Adverse Effects on Instrumentation:

Humidity can adversely affect instrumentation and control systems that rely on compressed air. Moisture can disrupt the accuracy and reliability of pressure sensors, flow meters, and other pneumatic instruments, leading to incorrect measurements and control signals.

To mitigate the impact of humidity on compressed air quality, various air treatment equipment is employed, including air dryers, moisture separators, and filters. These devices help remove moisture from the compressed air, ensuring that the air supplied is dry and of high quality for the intended applications.

air compressor

Are there differences between single-stage and two-stage air compressors?

Yes, there are differences between single-stage and two-stage air compressors. Here’s an in-depth explanation of their distinctions:

Compression Stages:

The primary difference between single-stage and two-stage air compressors lies in the number of compression stages they have. A single-stage compressor has only one compression stage, while a two-stage compressor has two sequential compression stages.

Compression Process:

In a single-stage compressor, the entire compression process occurs in a single cylinder. The air is drawn into the cylinder, compressed in a single stroke, and then discharged. On the other hand, a two-stage compressor utilizes two cylinders or chambers. In the first stage, air is compressed to an intermediate pressure in the first cylinder. Then, the partially compressed air is sent to the second cylinder where it undergoes further compression to reach the desired final pressure.

Pressure Output:

The number of compression stages directly affects the pressure output of the air compressor. Single-stage compressors typically provide lower maximum pressure levels compared to two-stage compressors. Single-stage compressors are suitable for applications that require moderate to low air pressure, while two-stage compressors are capable of delivering higher pressures, making them suitable for demanding applications that require greater air pressure.

Efficiency:

Two-stage compressors generally offer higher efficiency compared to single-stage compressors. The two-stage compression process allows for better heat dissipation between stages, reducing the chances of overheating and improving overall efficiency. Additionally, the two-stage design allows the compressor to achieve higher compression ratios while minimizing the work done by each stage, resulting in improved energy efficiency.

Intercooling:

Intercooling is a feature specific to two-stage compressors. Intercoolers are heat exchangers placed between the first and second compression stages. They cool down the partially compressed air before it enters the second stage, reducing the temperature and improving compression efficiency. The intercooling process helps to minimize heat buildup and reduces the potential for moisture condensation within the compressor system.

Applications:

The choice between a single-stage and two-stage compressor depends on the intended application. Single-stage compressors are commonly used for light-duty applications such as powering pneumatic tools, small-scale workshops, and DIY projects. Two-stage compressors are more suitable for heavy-duty applications that require higher pressures, such as industrial manufacturing, automotive service, and large-scale construction.

It is important to consider the specific requirements of the application, including required pressure levels, duty cycle, and anticipated air demand, when selecting between a single-stage and two-stage air compressor.

In summary, the main differences between single-stage and two-stage air compressors lie in the number of compression stages, pressure output, efficiency, intercooling capability, and application suitability.

air compressor

How is air pressure measured in air compressors?

Air pressure in air compressors is typically measured using one of two common units: pounds per square inch (PSI) or bar. Here’s a brief explanation of how air pressure is measured in air compressors:

1. Pounds per Square Inch (PSI): PSI is the most widely used unit of pressure measurement in air compressors, especially in North America. It represents the force exerted by one pound of force over an area of one square inch. Air pressure gauges on air compressors often display pressure readings in PSI, allowing users to monitor and adjust the pressure accordingly.

2. Bar: Bar is another unit of pressure commonly used in air compressors, particularly in Europe and many other parts of the world. It is a metric unit of pressure equal to 100,000 pascals (Pa). Air compressors may have pressure gauges that display readings in bar, providing an alternative measurement option for users in those regions.

To measure air pressure in an air compressor, a pressure gauge is typically installed on the compressor’s outlet or receiver tank. The gauge is designed to measure the force exerted by the compressed air and display the reading in the specified unit, such as PSI or bar.

It’s important to note that the air pressure indicated on the gauge represents the pressure at a specific point in the air compressor system, typically at the outlet or tank. The actual pressure experienced at the point of use may vary due to factors such as pressure drop in the air lines or restrictions caused by fittings and tools.

When using an air compressor, it is essential to set the pressure to the appropriate level required for the specific application. Different tools and equipment have different pressure requirements, and exceeding the recommended pressure can lead to damage or unsafe operation. Most air compressors allow users to adjust the pressure output using a pressure regulator or similar control mechanism.

Regular monitoring of the air pressure in an air compressor is crucial to ensure optimal performance, efficiency, and safe operation. By understanding the units of measurement and using pressure gauges appropriately, users can maintain the desired air pressure levels in their air compressor systems.

China wholesaler Reciprocating Compressor for Refrigeration Unit Air Cooling System   with high qualityChina wholesaler Reciprocating Compressor for Refrigeration Unit Air Cooling System   with high quality
editor by CX 2023-10-17