The Atlas Copco LUM21HR08-U-RE compressor is a versatile and high-performance unit designed for industrial applications that require compressed air. This particular model, the LUM-21HR08-U-RE, is part of the LUM series from Atlas Copco, known for their efficiency and reliability.
The LUM21HR08-U-RE is a rotary screw compressor, which means it uses two helically-shaped rotors inside a sealed chamber to compress air. This design allows for constant air delivery, making it ideal for applications where steady air pressure is essential. The compressor is rated for a free air delivery (FAD) of 21 cubic feet per minute (cfm) at a discharge pressure of 10 bar (145 psi).
One of the standout features of this compressor is its energy efficiency. It is equipped with Atlas Copco's Energy Saving Device (ESD), which helps to reduce power consumption during idle periods. The ESD uses a variable speed drive to adjust the compressor's motor speed based on the demand for compressed air. This results in significant energy savings and a lower carbon footprint.
The LUM21HR08-U-RE is also designed with ease of use and maintenance in mind. It features a user-friendly control panel with a digital display, which allows operators to easily monitor compressor performance and diagnose any potential issues. The compressor also comes with easily accessible filters and components, making routine maintenance quick and straightforward.
This particular model, the LUM-21HR08-U-RE, is suitable for indoor use and comes with a sound enclosure that reduces noise levels to meet the requirements of most industrial environments. It is also equipped with a cooling system to help maintain optimal operating temperatures, ensuring the compressor runs efficiently and reliably.
In summary, the Atlas Copco LUM21HR08-U-RE is a high-performance, energy-efficient rotary screw compressor designed for industrial applications. Its constant air delivery, ease of use, and low noise levels make it a popular choice for businesses that require steady and reliable compressed air. With its efficient design and user-friendly features, the LUM21HR08-U-RE is an excellent investment for any industrial operation.
Pros and Cons of Buying Atlas Copco LUM21HR08-U-RE Compressor
The Atlas Copco LUM21HR08-U-RE, LUM-21HR08-U-RE, and LN20S are variants of the same oil-injected screw compressor model from Atlas Copco. In this analysis, I will discuss the key features, pros, cons, and a final recommendation.
Features:
1. Oil-injected screw compressor technology
2. Variable Speed Drive (VSD) for energy efficiency
3. Pressure range: 135-155 psi (9.6-10.6 bar)
4. Airflow: 21.5 CFM (610 L/min)
5. Weight: 472 lbs (214 kg)
Pros:
1. Energy Efficiency: The VSD technology adjusts the compressor's speed to match the air demand, resulting in energy savings.
2. Reliability: Atlas Copco is a reputable compressor manufacturer known for producing high-quality, robust compressors.
3. Quiet Operation: The compressor operates at low noise levels, making it suitable for indoor applications.
4. Dry-running capability: The compressor can operate without lubrication for short periods, reducing the risk of downtime due to coolant leaks.
Cons:
1. Initial Cost: The LUM21HR08-U-RE, LUM-21HR08-U-RE, and LN20S are more expensive than other compressor models in their class.
2. Maintenance: Regular oil changes and filter replacements are required to ensure optimal performance and longevity.
3. Size: The compressor's large size may limit its placement options in confined spaces.
Conclusion:
The Atlas Copco LUM21HR08-U-RE, LUM-21HR08-U-RE, and LN20S offer several advantages, including energy efficiency, reliability, quiet operation, and dry-running capability. However, its high initial cost, maintenance requirements, and large size are significant drawbacks.
Recommendation:
If your budget allows and you require a robust, energy-efficient compressor that can handle the specified airflow and pressure, the Atlas Copco LUM21HR08-U-RE, LUM-21HR08-U-RE, and LN20S are excellent choices. However, if you have a limited budget or smaller space constraints, consider exploring other compressor models with similar specifications from competing manufacturers.
Details:
Shipped with USPS ground advantage. Atlas Copco LUM-21HR 08-u-re LN20S.
specifications buildymat:
brand: Atlas Copco
mpn: Lum21hr08-u-re
offer buildymat:
options: ship-to-home
started: november 12, 2025
sold #: 19
availability: in stock
price: $699.99
item condition: New – Open box
in stock #: 1
general buildymat:
category: Business & Industrial > Supplies > Building Materials
shipping buildymat:
type: calculated
transit: 3-8 days
class: standard
service: usps ground advantage
carrier: usps
returns buildymat:
policy: no returns
seller buildymat:
city: bismarck, north dakota
rating: 99.8%
# reviews: 9160
payments buildymat:
wallet: google-pay
credit card: visa
other
rating: 99.8% out of 100 based on 160 user ratings.
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