4KW Rotary Screw Air Compressor

Precise Supply-Demand Matching, Eliminating Unloading Losses
The compressor’s output is perfectly aligned with air demand, preventing energy waste caused by unloaded operation.

Stable Pressure Supply with Minimal Fluctuation
It operates steadily at the set pressure, maintaining a constant output with fluctuations controlled within ±0.01 MPa.

Dynamic Adjustment, On-Demand Air Supply

  • When air demand increases: The speed automatically increases to maintain stable pressure and ensure adequate supply.

  • When air demand decreases: The speed automatically reduces to deliver only the amount of air required, avoiding excess.

Comprehensive Functions, Reliable Operation
Integrated control, regulation, and protection features ensure the system operates safely and stably within the set temperature range.

Description

Product Details

 

Core Components, High Quality and Reliability
Utilizes a high-quality air end with advanced SAP rotor profile and high machining precision, ensuring low vibration and noise for stable and reliable operation.

Intelligent Control, Convenient and Precise
Equipped with an LCD display in both Chinese and English. Key electrical components are sourced from well-known brands. Supports multiple signal outputs, including switching, analog, and RS485 interface, to meet diverse control requirements.

Efficient Air Intake, On-Demand Adjustment
Features a high-efficiency inlet valve capable of 0-100% stepless capacity control, precisely matching air demand and effectively reducing energy consumption.

Enhanced Cooling, Strong Adaptability
Incorporates an enlarged cooler with a unique airflow guide design, significantly improving heat exchange efficiency and ensuring stable operation under various working conditions.

High-Quality Motor, Safe and Durable
Utilizes a high-efficiency motor to extend service life. Comes standard with phase sequence protection to prevent motor reversal, ensuring equipment safety.

 

Applicable Scenarios

 

✓ Small-scale Machining Shops
✓ Automotive Repair & Maintenance Shops
✓ Painting & Spraying Workshops
✓ Laboratories & Research Institutes
✓ Medical Equipment Integration
✓ Food Packaging Production Lines
✓ Automation Equipment Integration

 

General Questions

 

Q: What is a rotary screw air compressor?

A: A rotary screw air compressor uses two helical rotors (screws) to trap and compress air continuously. As the rotors turn, air is drawn in, compressed along the screws, and discharged smoothly without pulsation. This design allows for 100% continuous operation, making it the standard choice for industrial applications, manufacturing plants, and workshops that need reliable, steady compressed air.

Q: How does a rotary screw compressor work?

A: The compressor has two rotors—a male and a female—that rotate in opposite directions. Air enters the intake, gets trapped between the rotor lobes, and as the rotors turn, the space decreases, compressing the air. It then moves to the discharge port. Simultaneously, oil is injected to seal gaps, lubricate, and cool the air, which is why most rotary screw compressors are oil-flooded type.

Q: What’s the difference between rotary screw and piston compressors?

A: The key differences:

Operation: Rotary screw runs continuously; piston runs intermittently (needs rest)

Air quality: Screw provides smooth, pulse-free air; piston air pulsates

Noise: Screw: 60-75 dB (quiet); Piston: 80-100 dB (loud)

Duty cycle: Screw: 100% continuous; Piston: 50-70% max

Maintenance: Screw: annual oil/filter change; Piston: frequent valve/ring replacements

Lifespan: Screw: 10+ years; Piston: 3-5 years

Cost: Screw: higher upfront, lower long-term; Piston: lower upfront, higher operating cost

 

Learn More About Fronteck Air Compressors

 

Discover all the benefits that Frontect Compressor’s air compressors bring to your manufacturing or industrial environment. Contact us.

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