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Stable-Run Industrial Fixed-Speed Compressor

Fixed-speed air compressor refers to an air compressor driven by an fixed-speed motor (with a fixed power supply frequency, usually 50Hz or 60Hz). Its core feature is that the motor speed is determined by the power supply frequency, and the speed remains basically stable during operation, so the exhaust volume and working state are relatively fixed.
 
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Working Principles


Constant-Speed Motor Operation

The Fixed-Speed Compressor relies on a fixed-speed motor that runs at a consistent frequency, typically 50Hz or 60Hz. This motor drives the compressor’s air end, which is responsible for compressing atmospheric air into high-pressure compressed air. The constant speed ensures that the motor operates efficiently in stable load conditions.


Mechanical Compression Process

During operation, the air end draws in atmospheric air through an intake filter. The air is then compressed using mechanical force—either through screw or piston mechanisms—reducing its volume and increasing its pressure. This compressed air is then routed to an air storage tank, where it is stored until needed for downstream applications.


Air Storage & Supply Cycle

The compressed air is stored in a tank to maintain stable pressure levels. When the system pressure drops below a set threshold, the compressor restarts to replenish the supply. This cycle ensures a continuous flow of compressed air without fluctuations, making it ideal for applications that require consistent pressure.




Characteristic Advantages


Simple & Durable Design

The Fixed-Speed Compressor features a straightforward design with fewer components than variable-speed models. This simplicity reduces the risk of mechanical failure and makes the compressor highly durable in long-term operation.


Cost-Effective Purchase & Maintenance

With a lower initial purchase cost compared to variable-speed alternatives, the Fixed-Speed Compressor is an affordable option for businesses with limited budgets. Its simple design also simplifies maintenance, reducing repair costs and downtime.


Stable Performance in Constant Loads

In applications with stable air demand, the Fixed-Speed Compressor operates at peak efficiency, delivering consistent performance with uniform mechanical wear. This stability ensures reliable operation and extends the compressor’s lifespan.


Easy Installation & Operation

The compressor is designed for easy installation, requiring minimal setup time and technical expertise. Its user-friendly controls make operation straightforward, allowing staff to manage the machine without specialized training.


Versatile Application Compatibility

The Fixed-Speed Compressor is compatible with a wide range of downstream equipment, including pneumatic tools, spray guns, and conveyor systems. It adapts to diverse industrial needs while maintaining consistent performance.




Applications


Small Processing Plants & Maintenance Workshops

Ideal for small manufacturing and processing plants, the Fixed-Speed Compressor provides the steady compressed air needed for assembly lines, packaging equipment, and material handling.

Maintenance workshops rely on the compressor for powering pneumatic tools such as wrenches, drills, and grinders. Its stable performance ensures that tools operate efficiently for routine repairs and maintenance.


Laboratory & Research Facilities & Light Industrial Environments

In laboratories and research facilities, the Fixed-Speed Compressor delivers clean, consistent compressed air for analytical instruments, sample processing, and experimental setups. Its reliability is critical for precise scientific work.

Suitable for light industrial applications such as woodworking, metalworking, and textile manufacturing, the compressor provides the necessary air pressure for specialized machinery and processes.



Continuous Compressed Air Production

The primary function of the Fixed-Speed Compressor is to generate a steady supply of compressed air at a constant flow rate. This ensures that downstream equipment, such as pneumatic tools and machinery, receives the air they need to operate efficiently.


Pressure Stabilization

Equipped with pressure control mechanisms, the compressor maintains consistent output pressure, preventing pressure spikes or drops that can damage equipment or compromise process quality. The air storage tank further enhances stability by acting as a buffer.


Intake Air Filtration

The compressor includes an intake filter that removes dust and debris from incoming air, protecting the air end and ensuring the quality of compressed air. This filtration step prevents contamination and extends the life of internal components.


Model

Power (KW)

Pressure 

( Bar)

Output m³/min

Dia.

Noise 

( dB)

Outline ( MM )

Wt (KG)

Fixed Speed Screw Air Compressor

LY-10A

7.5

8

1.2

G3/4

66±2

800*720*950

240

10

0.95

13

0.8

LY-15A

11

8

1.6

G3/4

68±2

950*800*1070

405

10

1.4

13

1.2

LY-20A

15

8

2.4

G3/4

68±2

950*800*1070

430

10

2.0

13

1.7

LY-25A

18.5

8

2.9

G11/4

68±2

950*1100*1110

510

10

2.7

13

2.2

LY-30A

22

8

3.5

G11/4

69±2

1300*860*1135

540

10

3.2

13

2.9

LY-40A

30

8

5.0

G11/4

69±2

1300*860*1135

690

10

4.3

13

3.7

LY-50A

37

8

6.1

G11/2

70±2

1050*1050*1450

750

10

5.7

13

5.1

LY-60A

45

8

8.0

G11/2

72±2

1300*1100*1350

920

10

6.8

13

5.8

LY-75A

55

8

10.05

G2

73±2

1500*1150*1500

1500

10

7.8

13

7.3

LY-100A

75

8

13.3

G2

75±2

1900*1200*1555

1800

10

12.2

13

9.0

LY-125A

90

8

16.3

G2

75±2

2100*1250*1700

2200

10

14.6

13

12.3

LY-150A

110

8

20.6

DN65

75±2

2300*1650*2000

2900

10

17.0

13

14.2

LY-180A

132

8

24.0

DN65

75±2

2550*1650*2000

3100

10

20.6

13

16.5

LY-220A

160

8

27.0

DN80

75±2

2550*1650*2000

3300

10

23.2

13

19.7

LY-250A

185

8

30.2

DN80

78±2

2800*1750*2100

3500

10

27.0

13

22.5

LY-300A

220

8

36.4

DN100

78±2

3200*1950*2150

4500

10

33.1

13

38.5

LY-340A

250

8

42.5

DN100

78±2

3200*1950*2150

4600

10

38.8

13

34.6

LY-420A

315

8

55.6

DN125

80±2

3200*1950*2150

7000

10

49.6

13

42.7

LY-480A

355

8

65.0

DN125

82±2

4300*1650*2000

7500

10

55.0

13

48.0

LY-540A

400

8

72.0

DN150

83±2

4300*1950*2000

8100

10

62.0

13

52.5



FAQ


Is the Fixed-Speed Compressor suitable for applications with fluctuating air demand?

The compressor is best suited for stable air demand. While it can handle minor fluctuations, applications with significant load changes may benefit from variable-speed models, as the fixed-speed design consumes consistent power even at low demand.


How does the Fixed-Speed Compressor ensure air quality?

The compressor includes intake filtration to remove dust and debris. For enhanced air quality, it can be integrated with additional filters (such as oil and dust filters) in the compressed air system to meet specific application requirements.


What are the energy efficiency benefits of the Fixed-Speed Compressor?

While energy consumption is constant, the compressor is highly efficient in stable load conditions. Its simple design minimizes energy loss, and it avoids the energy overhead of complex variable-speed control systems.


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