A psa nitrogen generator (Pressure Swing Adsorption nitrogen generator) is a specialized industrial device that adopts PSA technology to separate nitrogen from atmospheric air through the selective adsorption performance of carbon molecular sieves (CMS). As a professional nitrogen gas producing machine supplier, we provide this equipment with a fixed 99.99% purity, which is tailor-made for laser cutting applications to ensure high-quality cutting results. As a high-purity nitrogen generator, it delivers a stable flow of inert nitrogen to the laser cutting zone, effectively preventing the oxidation of metal workpieces and ensuring smooth, burr-free cutting edges. Its core advantages include cost-effective onsite nitrogen generation, high operational efficiency, and low maintenance requirements, making it a preferred alternative to traditional nitrogen cylinder or liquid nitrogen supply for laser cutting workshops of all sizes.
|
carbon molecular sieve capacity (KG)
|
purity/nitrogen capacity (Nm³/h) - Low purity
|
purity/nitrogen capacity (Nm³/h) - high purity
|
|
|
96%
|
97%
|
98%
|
99%
|
99.95%
|
99.98%
|
99.995%
|
99.999%
|
|
120
|
55
|
50
|
45
|
40
|
20
|
15
|
13
|
10
|
|
150
|
75
|
70
|
65
|
50
|
20
|
20
|
15
|
13
|
|
180
|
80
|
80
|
70
|
60
|
30
|
22
|
20
|
15
|
|
210
|
105
|
100
|
90
|
80
|
30
|
25
|
25
|
18
|
|
240
|
115
|
110
|
100
|
90
|
40
|
30
|
27
|
20
|
|
275
|
130
|
120
|
110
|
100
|
45
|
35
|
30
|
23
|
|
300
|
150
|
140
|
130
|
110
|
45
|
40
|
35
|
25
|
|
336
|
170
|
160
|
140
|
120
|
60
|
45
|
40
|
28
|
|
360
|
180
|
170
|
150
|
130
|
65
|
48
|
42
|
30
|
|
420
|
200
|
190
|
170
|
150
|
70
|
55
|
45
|
35
|
|
444
|
210
|
200
|
180
|
160
|
75
|
50
|
50
|
37
|
|
480
|
230
|
220
|
200
|
170
|
80
|
60
|
55
|
40
|
|
516
|
250
|
230
|
210
|
180
|
85
|
65
|
55
|
43
|
|
540
|
270
|
260
|
230
|
200
|
90
|
70
|
60
|
45
|
|
600
|
290
|
270
|
240
|
220
|
100
|
75
|
65
|
50
|
|
624
|
300
|
280
|
250
|
230
|
105
|
80
|
70
|
52
|
|
660
|
330
|
310
|
280
|
250
|
110
|
85
|
75
|
55
|
|
720
|
360
|
350
|
320
|
280
|
120
|
90
|
80
|
60
|
|
840
|
390
|
370
|
330
|
300
|
140
|
100
|
90
|
70
|
|
900
|
430
|
400
|
360
|
320
|
150
|
110
|
100
|
75
|
|
960
|
460
|
440
|
410
|
370
|
160
|
120
|
110
|
80
|
|
1020
|
480
|
460
|
400
|
350
|
170
|
125
|
115
|
85
|
|
1080
|
500
|
470
|
420
|
380
|
180
|
130
|
120
|
90
|
|
1200
|
550
|
520
|
470
|
400
|
190
|
140
|
130
|
100
|
|
1250
|
630
|
600
|
540
|
480
|
200
|
150
|
140
|
105
|
|
1300
|
650
|
650
|
500
|
450
|
220
|
160
|
150
|
110
|
|
1350
|
650
|
630
|
570
|
490
|
230
|
170
|
150
|
115
|
|
1400
|
670
|
620
|
550
|
500
|
250
|
180
|
160
|
120
|
|
1500
|
720
|
680
|
600
|
550
|
260
|
190
|
170
|
130
|
|
1550
|
760
|
730
|
650
|
600
|
270
|
200
|
180
|
135
|
|
1600
|
770
|
720
|
680
|
580
|
280
|
210
|
190
|
140
|
|
1700
|
850
|
800
|
720
|
650
|
300
|
220
|
200
|
150
|
|
1800
|
930
|
880
|
780
|
700
|
330
|
240
|
210
|
160
|
|
1900
|
950
|
900
|
800
|
730
|
350
|
250
|
220
|
170
|
|
2000
|
1000
|
950
|
850
|
750
|
370
|
270
|
230
|
180
|
|
2100
|
1100
|
1050
|
950
|
850
|
400
|
280
|
250
|
190
|
|
2200
|
1150
|
1000
|
900
|
800
|
420
|
300
|
260
|
200
|
|
2300
|
1200
|
1100
|
1000
|
900
|
450
|
320
|
270
|
210
|



99.99% purity nitrogen is the optimal choice for most industrial laser cutting applications, and our psa nitrogen generator is engineered to maintain this purity level stably even under continuous 24/7 operation. In laser cutting, nitrogen serves two core functions: as a shielding gas to displace oxygen in the cutting zone and prevent the oxidation of the metal surface, and as an auxiliary gas to blow away molten metal slag and ensure precise cutting paths. When nitrogen purity is lower than 99.99%, residual oxygen will react with the high-temperature metal, causing discoloration, oxide scale formation, and rough cutting edges—these defects require additional polishing processes, increasing production costs and reducing efficiency. For cutting stainless steel and aluminum alloys, 99.99% purity nitrogen eliminates the need for post-processing, directly producing workpieces that meet precision manufacturing standards. Compared to higher-purity nitrogen (e.g., 99.999%), 99.99% purity offers a better balance between cutting quality and energy consumption, making it the most cost-effective option for mainstream laser cutting scenarios.
Onsite nitrogen gas generation has revolutionized the gas supply mode for laser cutting workshops, and our psa nitrogen plant is designed to maximize this advantage. Traditional nitrogen supply methods have obvious drawbacks: liquid nitrogen requires specialized insulated storage tanks and frequent refueling, with daily evaporation losses of 3–5% leading to significant waste; nitrogen cylinders involve cumbersome handling, frequent replacement, and supply disruptions due to logistics delays. In contrast, our psa nitrogen generation system produces nitrogen on demand at the workshop site, eliminating transportation costs, evaporation losses, and cylinder handling labor costs. For a medium-sized laser cutting workshop with a daily nitrogen demand of 300 Nm³, the investment in an onsite psa nitrogen generator can be recovered within 10–15 months. Additionally, the system’s intelligent control allows for automatic adjustment of nitrogen output based on the number of operating laser cutting machines, avoiding overproduction and further reducing energy consumption. For remote workshops or those located in areas with limited cylinder delivery services, onsite generation ensures uninterrupted production, avoiding costly downtime caused by gas shortages.
As a reputable psa nitrogen plant manufacturer and nitrogen gas producing machine supplier, we offer comprehensive solutions that extend beyond just equipment sales. We provide free on-site surveys to assess the workshop’s layout, nitrogen demand, and gas pipeline design, ensuring that the psa nitrogen generator is perfectly integrated into the existing laser cutting production line. Our professional technical team offers on-site installation, commissioning, and operator training, ensuring that workshop staff can proficiently operate and maintain the equipment. We also provide a 12-month warranty on all equipment, covering manufacturing defects and component failures, and our 24/7 technical support team is available to address any issues promptly—for remote customers, we offer remote monitoring and troubleshooting services to minimize downtime. In terms of pricing, our factory-direct sales model eliminates intermediate distributor markups, offering the psa nitrogen generator at a highly competitive price. When evaluating costs, we encourage customers to consider total cost of ownership (TCO) rather than just the initial purchase price—our equipment’s low energy consumption, long service life, and minimal maintenance requirements translate to significant long-term savings compared to liquid nitrogen or cylinder supply.
In conclusion, our 99.99% Purity Nitrogen Generator for Laser Cutting Use—provided by a professional nitrogen gas producing machine supplier—is a high-performance, cost-effective solution tailored to the needs of modern laser cutting workshops. As a core piece of equipment, the psa nitrogen generator delivers stable 99.99% purity nitrogen, ensuring superior cutting quality, reducing operational costs, and improving workshop efficiency. Its energy-saving design, modular customization, and onsite generation capabilities make it a superior alternative to traditional nitrogen supply methods, helping laser cutting enterprises achieve sustainable development and maximize profitability. Whether for small-scale precision cutting or large-scale industrial production, this equipment is an indispensable asset for laser cutting workshops aiming to enhance their competitive edge.
In addition to PSA Nitrogen Generator, we also produce VPSA Oxygen Generators,PSA Oxygen Generators, storage tanks, heat exchangers and other products. If you are interested in psa nitrogen Systems or other products, please feel free to send an email to info@gneeheatex.com. We will be very happy to serve you.