Trade fair highlight 01. October 2025

Nitrogen Purifier NPH 20-400 - A new approach for high-purity nitrogen

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Nitrogen Purifier NPH 20-400 - A new approach for high-purity nitrogen
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NPH 20-400 Highlights
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Regarding the NPH 20-400, Atlas Copco introduces a new, more cost-effective method for producing high-purity nitrogen: a two-stage on-site generation process. The NPH works in conjunction with a nitrogen generator, allowing the generator to produce nitrogen (N₂) with a purity of 3.0 (99.9%). A small amount of hydrogen is used to remove the remaining oxygen and the NPH boosts this lower purity to 5.0 (99.999%) or even 6.0 (99.9999%). This two-stage process requires 40% less compressed air, enabling significant energy savings. In turn, this can contribute to a lower CO₂ footprint. By adding an NPH to an existing nitrogen gas generation system, your plant’s N₂ production capacity can be increased — potentially even doubled.