China Professional Factory CE TUV ISO Screw Air Compressor Industrial 7.5kw 11kw 15kw 8bar 10bar 12bar High Efficiency Energy Saving Air CHINAMFG lowes air compressor

Product Description

Product Description

Product Application

LG series vertical type screw air compressor widely used in textile, spraying, chemical, food, electronic, medical,

railway, building materials and industries.

 

Main Features

1.Supporting large rotor, low speed and high quality main engine, high efficiency, low noise, long life, especially suitable for

low noise working occasions.

2.External oil and gas separation core, rated flow is much larger than exhaust, good oil effect, long service life, easy

maintenance.

3.Supporting imported brand air and oil filters to provide the best protection for the nose.

4.Microcomputer control, complete control and protection functions, data settings adjustment, fault inquiry convenient, realize unattended.

Product Parameters

 

Model

LG7EZ

LG11EZ

LG22EZ

LG37EZ

LG55EZ

LG75EZ

Air Displacement(m3/min)

1.15

1.65

3.6

6.1

10.2

13.5

Working Pressure(bar)

8

8

8

8

8

8

Compression stage

1

1

1

1

1

1

Motor Model

Y2-132S2-2

Y2-132M-2

LY-160L-2

LY-180L-2

Y2-225M-2

Y2-250M-2

Motor power(kw)

7.5

11

22

37

55

75

Rotate speed(rpm)

2950

2950

2950

2950

2950

2950

Voltage(V/P/Hz)

380/3/50

380/3/50

380/3/50

380/3/50

380/3/50

380/3/50

Start method

Y-Δ

Directly

Y-Δ

Y-Δ

Y-Δ

Y-Δ

Transfer method

Direct-driven

Direct-driven

Direct-driven

Direct-driven

Direct-driven

Direct-driven

Connector size

3/4″

3/4″

1″

11/2″

 

 

Cooling method

Air Cooling

Air Cooling

Air Cooling

Air Cooling

Air Cooling

Air Cooling

Dimension(L*W*H)mm

800*520*840

1571*640*865

1300*750*1200

1300*880*1250

1600*970

1750*1030

*1450

*1450

Weight(kg)

200

300

550

750

1300

1600

Detailed Photos

Packaging & Shipping

 

Company Profile

After Sales Service

1.24/7 after sales service support in different languages.

2.Follow up the feedback of products in 2 months interval by email or call.
3.Guidance of installation and commissioning on site can be provided by factory-trained technicians or local Authorized Service Center.
4.Technical training for customers in our partner factory or working site.
5.Plenty of original spare parts with proven quality are all available from our central stocks.
6.All kinds of technical documents in different languages.

FAQ

Q1: Are you factory or trade company?
A1: We are factory. And we have ourselves trading company.
Q2: Warranty terms of your machine?
A2: One year warranty for the machine and technical support according to your needs.
Q3: Will you provide some spare parts of the machines?
A3: Yes, of course.
Q4: What about the voltage of products??Can they be customized?
A4: Yes, of course. The voltage can be customized according to your equirement.
Q5: How long will you take to arrange production?
A5: 380V 50HZ we can delivery the goods within 7-15 days. Other electricity or other color we will delivery within 20-30 days.
Q6: Can you accept OEM orders?
A6: Yes, with professional design team, OEM orders are highly welcome.
Q7 Which trade term can you accept?
 A7: Available trade terms: FOB, CIF, CFR, EXW, CPT, etc.

After-sales Service: 24 Hours Online Service
Warranty: 1 Year
Lubrication Style: Lubricated
Cooling System: Air Cooling
Power Source: AC Power
Structure Type: Closed Type

air compressor

What are the energy-saving technologies available for air compressors?

There are several energy-saving technologies available for air compressors that help improve their efficiency and reduce energy consumption. These technologies aim to optimize the operation of air compressors and minimize energy losses. Here are some common energy-saving technologies used:

1. Variable Speed Drive (VSD) Compressors:

VSD compressors are designed to adjust the motor speed according to the compressed air demand. By varying the motor speed, these compressors can match the output to the actual air requirement, resulting in energy savings. VSD compressors are particularly effective in applications with varying air demands, as they can operate at lower speeds during periods of lower demand, reducing energy consumption.

2. Energy-Efficient Motors:

The use of energy-efficient motors in air compressors can contribute to energy savings. High-efficiency motors, such as those with premium efficiency ratings, are designed to minimize energy losses and operate more efficiently than standard motors. By using energy-efficient motors, air compressors can reduce energy consumption and achieve higher overall system efficiency.

3. Heat Recovery Systems:

Air compressors generate a significant amount of heat during operation. Heat recovery systems capture and utilize this wasted heat for other purposes, such as space heating, water heating, or preheating process air or water. By recovering and utilizing the heat, air compressors can provide additional energy savings and improve overall system efficiency.

4. Air Receiver Tanks:

Air receiver tanks are used to store compressed air and provide a buffer during periods of fluctuating demand. By using appropriately sized air receiver tanks, the compressed air system can operate more efficiently. The tanks help reduce the number of starts and stops of the air compressor, allowing it to run at full load for longer periods, which is more energy-efficient than frequent cycling.

5. System Control and Automation:

Implementing advanced control and automation systems can optimize the operation of air compressors. These systems monitor and adjust the compressed air system based on demand, ensuring that only the required amount of air is produced. By maintaining optimal system pressure, minimizing leaks, and reducing unnecessary air production, control and automation systems help achieve energy savings.

6. Leak Detection and Repair:

Air leaks in compressed air systems can lead to significant energy losses. Regular leak detection and repair programs help identify and fix air leaks promptly. By minimizing air leakage, the demand on the air compressor is reduced, resulting in energy savings. Utilizing ultrasonic leak detection devices can help locate and repair leaks more efficiently.

7. System Optimization and Maintenance:

Proper system optimization and routine maintenance are essential for energy savings in air compressors. This includes regular cleaning and replacement of air filters, optimizing air pressure settings, ensuring proper lubrication, and conducting preventive maintenance to keep the system running at peak efficiency.

By implementing these energy-saving technologies and practices, air compressor systems can achieve significant energy efficiency improvements, reduce operational costs, and minimize environmental impact.

air compressor

How do you troubleshoot common air compressor problems?

Troubleshooting common air compressor problems can help identify and resolve issues that may affect the performance and functionality of the compressor. Here are some steps to troubleshoot common air compressor problems:

1. No Power:

  • Check the power source and ensure the compressor is properly plugged in.
  • Inspect the circuit breaker or fuse box to ensure it hasn’t tripped or blown.
  • Verify that the compressor’s power switch or control panel is turned on.

2. Low Air Pressure:

  • Check the air pressure gauge on the compressor. If the pressure is below the desired level, the compressor might not be building up enough pressure.
  • Inspect for air leaks in the system. Leaks can cause a drop in pressure. Listen for hissing sounds or use a soapy water solution to identify the location of leaks.
  • Ensure the compressor’s intake filter is clean and not clogged, as this can restrict airflow and reduce pressure.

3. Excessive Noise or Vibration:

  • Inspect the compressor’s mounting and foundation to ensure it is secure and stable. Loose mounts can cause excessive noise and vibration.
  • Check for loose or damaged components, such as belts, pulleys, or motor mounts. Tighten or replace as necessary.
  • Verify that the compressor’s cooling system, such as the fan or fins, is clean and free from obstructions. Overheating can lead to increased noise and vibration.

4. Air Leaks:

  • Inspect all connections, valves, fittings, and hoses for leaks. Tighten or replace any loose or damaged components.
  • Apply a soapy water solution to suspected areas and look for bubbles. Bubbles indicate air leaks.
  • Consider using thread sealant or Teflon tape on threaded connections to ensure a proper seal.

5. Excessive Moisture in Compressed Air:

  • Check the compressor’s drain valve and ensure it is functioning properly. Open the valve to release any accumulated moisture.
  • Inspect and clean the compressor’s moisture separator or air dryer, if equipped.
  • Consider installing additional filtration or drying equipment to remove moisture from the compressed air system.

6. Motor Overheating:

  • Ensure the compressor’s cooling system is clean and unobstructed.
  • Check the motor’s air intake vents and clean any dust or debris that may be blocking airflow.
  • Verify that the compressor is not being operated in an excessively hot environment.
  • Check the motor’s lubrication levels and ensure they are within the manufacturer’s recommended range.
  • Consider using a thermal overload protector to prevent the motor from overheating.

If troubleshooting these common problems does not resolve the issue, it may be necessary to consult the manufacturer’s manual or seek assistance from a qualified technician. Regular maintenance, such as cleaning, lubrication, and inspection, can also help prevent common problems and ensure the optimal performance of the air compressor.

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 Professional Factory CE TUV ISO Screw Air Compressor Industrial 7.5kw 11kw 15kw 8bar 10bar 12bar High Efficiency Energy Saving Air CHINAMFG   lowes air compressorChina Professional Factory CE TUV ISO Screw Air Compressor Industrial 7.5kw 11kw 15kw 8bar 10bar 12bar High Efficiency Energy Saving Air CHINAMFG   lowes air compressor
editor by CX 2023-11-21