Membrane: Compact all-in-one N2 supply
Atlas Copco NGM/NGM+/NGMs nitrogen generators utilize proprietary membrane separation technology.
The membrane separates compressed air into two streams: one is 95-99.9% pure nitrogen, and the other is oxygen enriched with carbon dioxide and other gases.
Instant supply of nitrogen between 95% and 99.9%
The generator separates air into component gases by passing inexpensive compressed air through semipermeable membranes consisting of bundles of individual hollow fibers.
Each fiber has a perfectly circular cross-section and a uniform bore through its center. Because the fibers are so small, a large amount of fibers can be packed into a limited space, providing an extremely large membrane surface area that can produce a relatively high volume product stream.
Outstandingly dry nitrogen
Compressed air is introduced into the center of the fibers at one end of the module and contacts the membrane as it flows through the fiber bores. Oxygen, water vapor and other trace gases easily permeate the membrane fiber and are discharged through a permeate port while the nitrogen is contained within the membrane and flows through the outlet port. Since water vapor permeates through the membrane as well, the nitrogen gas stream is very dry, with dewpoints as low as -50°C (-58°F).
PSA: Reliable and proven
Based on Pressure Swing Adsorption (PSA) technology, Atlas Copco’s NGP/NGP+ nitrogen generators and OGP oxygen generators provide a continuous flow of nitrogen and oxygen at desired purity.
High purity nitrogen supply up to 99.999%. Atlas Copco’s NGP/NGP+ nitrogen generators use Pressure Swing Adsorption technology to isolate nitrogen molecules from other molecules in compressed air. Oxygen, CO2, water vapor and other gases are adsorbed. The result is virtually pure nitrogen at the outlet of the generator. The NGP/NGP+ Series is a very cost-efficient source of nitrogen used in various industries like food and beverage, metal processing, electronics, and many others.
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