5 Must-Have Features in a High-Pressure Oil Free Screw Air Compressor

If your production requires high-pressure air or nitrogen, buying a compressed air booster is the smart choice. This special type of compressor takes low-pressure air or nitrogen and boosts its pressure to up to 1,000 bar. In fact, a standard air compressor and booster combination is the most flexible and cost-efficient solution for high-pressure air and gas applications. That doesn't mean all air and nitrogen boosters can offer those benefits.

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As with most industrial equipment, quality matters. And the right booster will offer you savings and lots of added value in addition to generating high-pressure air or nitrogen.

To make sure that you pick the optimal nitrogen and air booster for your high-pressure application, using these five criteria will help.

Fixed-speed, dual-speed, and variable-speed rotary screw compressors are the common options for various applications. 

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It is often said the choice between fixed-speed and variable-speed rotary screw air compressors typically depends on your air demand. Fixed-speed compressors run at a constant speed, best suited for applications with steady demand. Variable speed drive (VSD) compressors only when you have fluctuating demand.

Despite such common perceptions, fixed-speed compressors aren't necessarily the ideal choice for constant air demand. VSD compressors are also perfectly capable of handling such scenarios by dynamically adjusting their speed to match air demand, delivering higher efficiency and energy savings for both stable and fluctuating needs. Ultimately, the decision boils down to budget constraints rather than specific application requirements. 

A third option exists, offering greater energy efficiency than fixed-speed compressors at a lower investment cost than VSD compressors. Dual-speed technology optimizes free air delivery at any given pressure setting. While it requires a higher initial investment compared to fixed speed, it offers increased flexibility and is well-suited for applications requiring high flow at various pressures. 

In conclusion, when considering fixed-speed, dual-speed, and variable-speed rotary screw compressors, a VSD compressor emerges as the superior choice for applications with both variable and steady demand. Its efficiency benefits not only your bottom line but also the environment in the long term.

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