Product Description

Low Presssure Cement Air Compressor Advantages:

1.It will cause a terrible waste of electric power if choose a routine 7bar air compressor when the maximum working pressure is 2 to 5bar. CHINAMFG low pressure screw air compressor can enlarge the air delivery under the same motor power to help you save 20% to 50% electric power.
2.State-of-the-art screw element, original Germany CHINAMFG air end, ladvanced SAP profile design, superior Sweden CHINAMFG element bearings
3.Adopts world-renowned components, such as Schneider electronics from
France, Mann filters from Germany, CHINAMFG pressure sensor from
Denmark, etc. contribute to guarantee the compressor longer service life.
4.Conform to CE, ISO9001 and energy saving certification, etc.
5.Designed especially for textile, cement and glass industry, etc.

Technical Parameters Of The Low Pressure Screw Air Compressor:

Model Maximum
 working pressure
motor power
Driving Mode
Cooling Method
bar(e) psig m3/min cfm kW hp L W H
DAL-22A-3 3 44 5.94 209.7 22 30 Belt Driven
A-Air cooling
1450 975 1255 800
DAL-30A-3 7.72 272.6 30 40 1650 1200 1350 1100
DAL-37A-3 10.01 353.5 37 50 1650 1200 1350 1300
DAL-45A-3 12.11 427.6 45 60 1700 1200 1350 1700
DAL-55A-3 13.11 462.9 55 75 1900 1200 1500 2000
DAL-75A-3 23.98 846.7 75 100 Direct Driven
A-Air cooling
2150 1350 1650 2400
DAL-90A-3 25.24 891.2 90 120 2600 1550 1800 2800
DAL-110A-3 26.34 930.1 110 150 2600 1550 2000 3500
DAL-132A-3 32.8 1158.2 132 175 2600 1550 2000 3800
DAL-160A-3 44.12 1557.9 160 215 2800 1950 2000 4200
DAL-185A-3 44.5 1571.3 185 250 2800 1950 2000 4500
DAL-200A-3 59.94 2116.5 200 270 3700 1900 2200 4800
DAL-250A-3 75.06 2650.4 250 350 4250 2200 2200 6700
DAL-90W-3 25.24 891.2 90 120 2450 1600 1800 2800
DAL-110W-3 26.34 930.1 110 150 2600 1550 2000 3500
DAL-132W-3 32.8 1158.2 132 175 2600 1550 1900 3800
DAL-160W-3 44.12 1557.9 160 215 2800 1950 2000 5000
DAL-185W-3 44.5 1571.3 185 250 2800 1950 2000 5500
DAL-200W-3 59.94 2116.5 200 270 3500 2200 2210 6300
DAL-250W-3 75.06 2650.4 250 350 3500 2200 2210 7200
DAL-355W-3 84.24 2974.5 355 475 4550 2300 2350 9200
DAL-22A-5 5 73 5.62 198.4 22 30 Belt Driven
A-Air cooling
1450 975 1255 800
DAL-30A-5 6.8 240.1 30 40 1650 1200 1350 1100
DAL-37A-5 7.56 266.9 37 50 1650 1200 1350 1100
DAL-45A-5 9.94 351 45 60 1700 1200 1350 1700
DAL-55A-5 12.96 457.6 55 75 1900 1200 1500 2000
DAL-75A-5 17.43 615.5 75 100 2150 1350 1650 2400
DAL-90A-5 20.41 720.7 90 120 Direct Driven
A-Air cooling
2600 1550 1800 2800
DAL-110A-5 25.01 883.1 110 150 2600 1550 2000 3500
DAL-132A-5 26.03 919.1 132 175 2600 1550 2000 3800
DAL-160A-5 32.57 1150 160 215 2800 1950 2000 4200
DAL-185A-5 43.44 1533.9 185 250 2800 1950 2000 4500
DAL-200A-5 52.74 1862.2 200 270 3700 1900 2200 4800
DAL-250A-5 59.94 2116.5 250 350 4250 2200 2200 6700
DAL-90W-5 20.41 720.7 90 120 2450 1600 1800 2800
DAL-110W-5 25.01 883.1 110 150 2600 1550 2000 3500
DAL-132W-5 26.03 919.1 132 175 2600 1550 1900 3800
DAL-160W-5 32.57 1150 160 215 3100 1700 1900 5000
DAL-185W-5 43.44 1533.9 185 250 3100 1700 1900 5500
DAL-200W-5 52.74 1862.2 200 270 3500 2200 2210 7200
DAL-250W-5 59.94 2116.5 250 350 3500 2200 2210 7200

Q1: Are you factory or trade company?  
A1: We are factory.

Q2: What the exactly address of your factory? 
A2: Our company is located in No. 6767, Tingfeng Rd. Xihu (West Lake) Dis.n District, ZheJiang  201502, China
And our factory is located in No. 366, YangzhuangBang Street, Pingxing Rd.,Xindai Town, HangZhou, ZHangZhoug Province, China

Q3: Warranty terms of your machine? 
A3: One year warranty for the machine and technical support according to your needs.

Q4: Will you provide some spare parts of the machines? 
A4: Yes, of course.

Q5: How long will you take to arrange production? 
A5: 380V 50HZ we can delivery the goods within 10 days. Other electricity or other color we will delivery within 22 days

Q6: Can you accept OEM orders? 
A6: Yes, with professional design team, OEM orders are highly welcome.

Shipping Cost:

Estimated freight per unit.

To be negotiated
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power


air compressor

What is the role of air compressors in power generation?

Air compressors play a significant role in power generation, supporting various operations and equipment within the industry. Here are some key roles of air compressors in power generation:

1. Combustion Air Supply:

Air compressors are used to supply compressed air for the combustion process in power generation. In fossil fuel power plants, such as coal-fired or natural gas power plants, compressed air is required to deliver a steady flow of air to the burners. The compressed air helps in the efficient combustion of fuel, enhancing the overall performance and energy output of the power plant.

2. Instrumentation and Control:

Air compressors are utilized for instrumentation and control systems in power generation facilities. Compressed air is used to operate pneumatic control valves, actuators, and other pneumatic devices that regulate the flow of steam, water, and gases within the power plant. The reliable and precise control provided by compressed air ensures efficient and safe operation of various processes and equipment.

3. Cooling and Ventilation:

In power generation, air compressors are involved in cooling and ventilation applications. Compressed air is used to drive air-operated cooling fans and blowers, providing adequate airflow for cooling critical components such as generators, transformers, and power electronics. The compressed air also assists in maintaining proper ventilation in control rooms, substations, and other enclosed spaces, helping to dissipate heat and ensure a comfortable working environment.

4. Cleaning and Maintenance:

Air compressors are employed for cleaning and maintenance tasks in power generation facilities. Compressed air is utilized to blow away dust, dirt, and debris from equipment, machinery, and electrical panels. It helps in maintaining the cleanliness and optimal performance of various components, reducing the risk of equipment failure and improving overall reliability.

5. Pneumatic Tools and Equipment:

In power generation plants, air compressors provide the necessary compressed air for operating pneumatic tools and equipment. These tools include impact wrenches, pneumatic drills, grinders, and sandblasting equipment, which are utilized for installation, maintenance, and repair tasks. The high-pressure air generated by compressors enables efficient and reliable operation of these tools, enhancing productivity and reducing manual effort.

6. Nitrogen Generation:

Sometimes, air compressors are used in power generation for nitrogen generation. Compressed air is passed through a nitrogen generator system, which separates nitrogen from other components of air, producing a high-purity nitrogen gas stream. Nitrogen is commonly used in power plant applications, such as purging systems, blanketing in transformers, and generator cooling, due to its inert properties and low moisture content.

7. Start-up and Emergency Systems:

Air compressors are an integral part of start-up and emergency systems in power generation. Compressed air is utilized to power pneumatic starters for gas turbines, providing the initial rotation needed to start the turbine. In emergency situations, compressed air is also used to actuate emergency shutdown valves, safety systems, and fire suppression equipment, ensuring the safe operation and protection of the power plant.

Overall, air compressors contribute to the efficient and reliable operation of power generation facilities, supporting combustion processes, control systems, cooling, cleaning, and various other applications critical to the power generation industry.

air compressor

What is the energy efficiency of modern air compressors?

The energy efficiency of modern air compressors has significantly improved due to advancements in technology and design. Here’s an in-depth look at the energy efficiency features and factors that contribute to the efficiency of modern air compressors:

Variable Speed Drive (VSD) Technology:

Many modern air compressors utilize Variable Speed Drive (VSD) technology, also known as Variable Frequency Drive (VFD). This technology allows the compressor motor to adjust its speed according to the compressed air demand. By matching the motor speed to the required airflow, VSD compressors can avoid excessive energy consumption during periods of low demand, resulting in significant energy savings compared to fixed-speed compressors.

Air Leakage Reduction:

Air leakage is a common issue in compressed air systems and can lead to substantial energy waste. Modern air compressors often feature improved sealing and advanced control systems to minimize air leaks. By reducing air leakage, the compressor can maintain optimal pressure levels more efficiently, resulting in energy savings.

Efficient Motor Design:

The motor of an air compressor plays a crucial role in its energy efficiency. Modern compressors incorporate high-efficiency electric motors that meet or exceed established energy efficiency standards. These motors are designed to minimize energy losses and operate more efficiently, reducing overall power consumption.

Optimized Control Systems:

Advanced control systems are integrated into modern air compressors to optimize their performance and energy consumption. These control systems monitor various parameters, such as air pressure, temperature, and airflow, and adjust compressor operation accordingly. By precisely controlling the compressor’s output to match the demand, these systems ensure efficient and energy-saving operation.

Air Storage and Distribution:

Efficient air storage and distribution systems are essential for minimizing energy losses in compressed air systems. Modern air compressors often include properly sized and insulated air storage tanks and well-designed piping systems that reduce pressure drops and minimize heat transfer. These measures help to maintain a consistent and efficient supply of compressed air throughout the system, reducing energy waste.

Energy Management and Monitoring:

Some modern air compressors feature energy management and monitoring systems that provide real-time data on energy consumption and performance. These systems allow operators to identify energy inefficiencies, optimize compressor settings, and implement energy-saving practices.

It’s important to note that the energy efficiency of an air compressor also depends on factors such as the specific model, size, and application. Manufacturers often provide energy efficiency ratings or specifications for their compressors, which can help in comparing different models and selecting the most efficient option for a particular application.

Overall, modern air compressors incorporate various energy-saving technologies and design elements to enhance their efficiency. Investing in an energy-efficient air compressor not only reduces operational costs but also contributes to sustainability efforts by minimizing energy consumption and reducing carbon emissions.

air compressor

What is the role of air compressor tanks?

Air compressor tanks, also known as receiver tanks or air receivers, play a crucial role in the operation of air compressor systems. They serve several important functions:

1. Storage and Pressure Regulation: The primary role of an air compressor tank is to store compressed air. As the compressor pumps air into the tank, it accumulates and pressurizes the air. The tank acts as a reservoir, allowing the compressor to operate intermittently while providing a steady supply of compressed air during periods of high demand. It helps regulate and stabilize the pressure in the system, reducing pressure fluctuations and ensuring a consistent supply of air.

2. Condensation and Moisture Separation: Compressed air contains moisture, which can condense as the air cools down inside the tank. Air compressor tanks are equipped with moisture separators or drain valves to collect and remove this condensed moisture. The tank provides a space for the moisture to settle, allowing it to be drained out periodically. This helps prevent moisture-related issues such as corrosion, contamination, and damage to downstream equipment.

3. Heat Dissipation: During compression, air temperature increases. The air compressor tank provides a larger surface area for the compressed air to cool down and dissipate heat. This helps prevent overheating of the compressor and ensures efficient operation.

4. Pressure Surge Mitigation: Air compressor tanks act as buffers to absorb pressure surges or pulsations that may occur during compressor operation. These surges can be caused by variations in demand, sudden changes in airflow, or the cyclic nature of reciprocating compressors. The tank absorbs these pressure fluctuations, reducing stress on the compressor and other components, and providing a more stable and consistent supply of compressed air.

5. Energy Efficiency: Air compressor tanks contribute to energy efficiency by reducing the need for the compressor to run continuously. The compressor can fill the tank during periods of low demand and then shut off when the desired pressure is reached. This allows the compressor to operate in shorter cycles, reducing energy consumption and minimizing wear and tear on the compressor motor.

6. Emergency Air Supply: In the event of a power outage or compressor failure, the stored compressed air in the tank can serve as an emergency air supply. This can provide temporary air for critical operations, allowing time for maintenance or repairs to be carried out without disrupting the overall workflow.

Overall, air compressor tanks provide storage, pressure regulation, moisture separation, heat dissipation, pressure surge mitigation, energy efficiency, and emergency backup capabilities. They are vital components that enhance the performance, reliability, and longevity of air compressor systems in various industrial, commercial, and personal applications.

China factory 90kw 120 HP Low Presssure Cement Industrial Rotary Screw Air Compressor   air compressor repair near meChina factory 90kw 120 HP Low Presssure Cement Industrial Rotary Screw Air Compressor   air compressor repair near me
editor by CX 2023-10-07

Food compressor

As one of the food compressor manufacturers, suppliers, and exporters of mechanical products, We offer food compressors and many other products.

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