The PSA Nitrogen Generator uses Pressure Swing Adsorption (PSA) technology to separate nitrogen from compressed air and provide a stable on-site nitrogen supply. The system is equipped with two adsorption towers filled with high-performance carbon molecular sieve (CMS), which selectively adsorbs oxygen while allowing nitrogen to pass through as the product gas.
During operation, compressed air enters one tower, where oxygen molecules are captured by the CMS and nitrogen is collected at the outlet. At the same time, the second tower enters the regeneration stage, releasing the adsorbed oxygen into the atmosphere together with a small amount of nitrogen.
When the first tower reaches adsorption saturation, the system automatically switches. The regenerated tower begins nitrogen production, while the saturated tower starts regeneration. Controlled by a PLC automatic control system, the two towers work alternately in a continuous cycle, ensuring stable nitrogen purity, reliable performance, and uninterrupted nitrogen output.
To ensure stable nitrogen purity and efficient long-term operation, the PSA Nitrogen Generator should be used under the following recommended conditions:
- Inlet temperature: ≤ 40℃
- Inlet pressure: 0.5–0.8 MPa
- Nitrogen purity: 95%–99.999%
- Nitrogen dew point: ≤ -40℃
- Ambient temperature: ≤ 40℃
- Switching cycle: 45–60 seconds
- Voltage / frequency: 220V / 50Hz
- Noise level: ≤ 75 dB
For the best operating result, the generator should be supplied with clean and stable compressed air. Proper pre-treatment, including air filtration and drying, is recommended to protect the carbon molecular sieve, maintain nitrogen purity, and extend equipment service life.
Nitrogen Purity: 98%
| Nitrogen Production (m³/h) | Inlet Pipe Size | Outlet Pipe Size | Dimensions (H × L × W mm) | Effective Air Consumption (m³/min) |
|---|
| 20 | DN20 | DN15 | 1500 × 850 × 500 | 0.66 |
| 30 | DN20 | DN15 | 1800 × 900 × 600 | 1.00 |
| 50 | DN20 | DN20 | 1900 × 1000 × 600 | 1.67 |
| 70 | DN32 | DN25 | 2400 × 1150 × 700 | 2.33 |
| 80 | DN32 | DN25 | 2400 × 1150 × 700 | 2.66 |
| 100 | DN32 | DN32 | 2600 × 1150 × 800 | 3.33 |
| 120 | DN40 | DN32 | 2600 × 1200 × 800 | 4.00 |
| 140 | DN40 | DN32 | 2600 × 1400 × 900 | 4.66 |
| 160 | DN50 | DN40 | 2600 × 1500 × 900 | 5.33 |
| 180 | DN50 | DN40 | 2750 × 1600 × 900 | 6.00 |
| 200 | DN50 | DN40 | 2750 × 1750 × 900 | 6.67 |
| 250 | DN50 | DN50 | 2750 × 1900 × 1000 | 8.33 |
| 300 | DN65* | DN50 | 2650 × 2160 × 1280 | 10.00 |
| 350 | DN65 | DN50 | 2890 × 2200 × 1200 | 11.67 |
| 400 | DN65 | DN65 | 2890 × 2200 × 1200 | 13.33 |
| 450 | DN65 | DN65 | 2900 × 2500 × 1350 | 15.00 |
| 500 | DN80 | DN80 | 2900 × 2500 × 1350 | 16.67 |
| 550 | DN80 | DN80 | 2900 × 2500 × 1350 | 18.33 |
| 600 | DN80 | DN80 | 2900 × 2500 × 1400 | 20.00 |
Note: The above data is based on an adsorption pressure of 0.8 MPa (gauge pressure), an ambient temperature of 20℃, and 80% relative humidity. It is for reference only and may change without prior notice.
The PSA Nitrogen Generator is widely used in industries that require a stable, continuous, and cost-effective nitrogen supply.
Food and Beverage Packaging
Used for nitrogen flushing and modified atmosphere packaging to reduce oxidation, maintain freshness, and extend product shelf life.
Electronics Manufacturing
Provides nitrogen for soldering, assembly, and sensitive production processes where oxidation control and stable gas supply are important.
Pharmaceutical Industry
Suitable for pharmaceutical production, packaging, and storage applications that require clean and reliable nitrogen.
Chemical Industry
Used for inerting, blanketing, purging, and oxidation prevention in tanks, pipelines, and processing systems.
Metal Processing and Laser Cutting
Supplies nitrogen for laser cutting, metal fabrication, and related industrial processes where clean cutting quality and reduced oxidation are required.
Laboratory and Research Applications
Provides a dependable on-site nitrogen source for instruments, testing systems, and controlled research environments.
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