Oil Lubricated Two Stage Screw Compressors

Where the air is always on


TWO Stage Compression Advantages

variable speed rotary screw air compressor

S-Series Two Stage Screw Compressors

0.8-1.3 MPa
4.2-75.32 m³/min
30-355 kW, 40-476 hp
Two-stage variable speed rotary screw air compressor

S-Series Low Pressure Two Stage Screw Compressors

0.4-0.5MPa
10.5-65 m³/min
37-250 kW, 50hp-335hp


TWO Stage Compression + The Variable Speed Drive (VSD) Technology:
Energy Saving of 30% - 35%

What is a Variable Speed Rotary Screw Air Compressor

Variable Speed Rotary Screw Air Compressor is a new type of air compressor that compresses the gas in a peristaltic pump and uses a permanent magnet to rotate its rotor. This method draws little current and consumes less heat than traditional compressors. It’s energy efficient, specializing in meeting the requirements of precision, speed and efficiency of highly efficient machinery and equipment. Because there are so many advantages to better meet the needs of today’s market,  variable speed rotary screw air compressor have been used in more and more fields and their popularity is growing.

Why Choose Variable Speed Rotary Screw Air Compressor

● Energy Savings: Variable Speed Drive (VSD) technology enables the VSD screw air compressor to adjust its speed and output based on the demand for compressed air, resulting in energy saving of up to 40% than traditional air compressors.

● Improved Air Quality: With advanced air/oil separation systems, VSD screw air compressors can reduce the amount of oil in the air, and hence offer air with fewer contaminants than traditional compressors. The Variable Speed Drive (VSD) technology allows the compressor to run at a lower temperature, reducing the dew point of the air.

● Quiet Operation: As the VSD screw air compressor do not need to run at full speed all of the time, the compressor runs quieter, more efficiently, and with less wear and tear on the motors, meaning they won’t disrupt the workplace or home environment. The improved air quality also contributes to a quieter operation.

● Increased Reliability: VSD screw air compressors are less likely to break down and require repairs. First, VSD screw air compressors have fewer moving parts, which reduces the risk of mechanical failure. Second, they use variable speed drives to adjust the motor speed, which reduces the amount of wear and tear on the motor. Third, they use advanced air-cooling technology to reduce the risk of overheating. Finally, they are built with high-quality components and materials, which makes them more durable and reliable.

How to Choose Variable Speed Rotary Screw Air Compressor

Determine Your Airflow Needs.

The first step in choosing the right variable speed air compressor is to determine your airflow needs. This will depend on the tools or equipment you plan to use with the compressor. Look for the CFM (cubic feet per minute) rating of each tool or piece of equipment and add them up to get your total airflow requirement. Make sure to choose a compressor with a CFM rating that meets or exceeds your total requirement to ensure optimal performance.

Consider the Size and Portability of the Compressor.

Another important factor to consider when choosing a variable speed air compressor is the size and portability of the unit. If you plan to use the compressor in a fixed location, such as a workshop or garage, a larger, stationary unit may be the best option. However, if you need to move the compressor around to different job sites or locations, a smaller, more portable unit may be a better choice. Consider the weight and size of the compressor, as well as any handles or wheels that may make it easier to move around.

Look at the Power Source and Noise Level.

When choosing a variable speed air compressor, it’s important to consider the power source and noise level. Some compressors run on electricity, while others run on gas or diesel. Electric compressors are typically quieter and more environmentally friendly, but may not have as much power as gas or diesel models. Additionally, consider the noise level of the compressor, especially if you plan to use it in a residential area or indoors. Look for models with noise-reducing features, such as insulated cabinets or low-noise motors.

Check the Maintenance Requirements.

Before making a final decision on a variable speed air compressor, it’s important to consider the maintenance requirements. Look for models with easy-to-access filters and oil changes, as well as those with durable components that require less frequent replacement. Additionally, consider the availability of replacement parts and the cost of repairs. Choosing a compressor with low maintenance requirements can save you time and money in the long run.

Compare Prices and Warranties.

When choosing a variable speed air compressor, it’s important to compare prices and warranties from different manufacturers. Look for a model that offers a good balance between price and quality, and make sure to read reviews from other customers to get an idea of the compressor’s performance and reliability. Additionally, consider the length and coverage of the warranty, as well as the manufacturer’s reputation for customer service and support. A good warranty can provide peace of mind and protect your investment in the long run.

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