PSA Nitrogen Generators for Metal Processing
High-purity on-site nitrogen generation for heat treatment, laser cutting, annealing, brazing, and sintering applications in metal fabrication and processing.
Why Nitrogen in Metal Processing?
Nitrogen creates protective atmospheres that prevent oxidation, decarburization, and contamination during metal processing operations.
Oxidation Prevention
Eliminates oxygen during heat treatment, annealing, and brazing to prevent scale formation and surface oxidation, ensuring bright, clean metal surfaces.
Superior Surface Quality
Produces bright, oxide-free surfaces that require minimal post-processing, reducing cleaning and finishing costs while improving product appearance.
Enhanced Mechanical Properties
Maintains precise carbon content and prevents decarburization during heat treatment, ensuring consistent hardness and mechanical properties.
Cost Efficiency
On-site generation eliminates cylinder rental, delivery fees, and handling costs, providing unlimited nitrogen at a fraction of traditional supply costs.
Process Efficiency
Enables faster heating and cooling cycles in furnaces, improves laser cutting speeds, and reduces overall processing time for higher throughput.
Consistent Quality
Reliable nitrogen purity and flow ensure repeatable results across all batches, reducing scrap rates and improving overall product quality.
Metal Processing Applications
Our PSA nitrogen generators serve critical applications across metal fabrication and processing operations.
Heat Treatment Furnaces
Create controlled atmospheres in batch and continuous furnaces for hardening, tempering, and stress relieving operations without oxidation or decarburization.
- Batch furnace atmosphere control
- Continuous belt furnace inerting
- Vacuum furnace backfilling
- Quench tank blanketing
Bright Annealing
Produce bright, oxide-free surfaces on stainless steel, copper, brass, and other metals during annealing processes, eliminating the need for pickling or mechanical cleaning.
- Stainless steel bright annealing
- Copper and brass annealing
- Wire and tube annealing lines
- Strip and coil processing
Laser Cutting & Welding
Provide high-purity assist gas for laser cutting of stainless steel and aluminum, and shielding gas for laser welding to achieve clean cuts and strong welds.
- Fiber laser cutting assist gas
- CO2 laser cutting applications
- Laser welding shielding gas
- Plasma cutting applications
Brazing & Soldering
Create oxygen-free environments for brazing and soldering operations to prevent oxidation of filler metals and base materials, ensuring strong, clean joints.
- Furnace brazing atmosphere
- Induction brazing protection
- Torch brazing shielding
- Wave soldering applications
Sintering & Powder Metallurgy
Provide protective atmospheres for sintering of metal powders, preventing oxidation during the consolidation process and ensuring optimal mechanical properties.
- Powder metallurgy sintering
- Metal injection molding (MIM)
- Additive manufacturing (3D printing)
- Hot isostatic pressing (HIP)
Metal Casting & Foundry
Protect molten metals from oxidation during melting, holding, and pouring operations, improving cast quality and reducing dross formation.
- Induction furnace blanketing
- Ladle and tundish protection
- Die casting atmosphere control
- Investment casting shell firing
Benefits for Metal Processors
Bright, Oxide-Free Surfaces
Eliminate scale and oxidation for superior surface finish without post-processing
Reduced Scrap Rates
Consistent atmosphere control minimizes defects and improves first-pass yield
Lower Operating Costs
Generate nitrogen for pennies per cubic meter versus cylinder or liquid supply
Unlimited Supply
Never run out of nitrogen or wait for deliveries during critical production runs
Faster Processing
Optimize heating and cooling cycles for higher throughput and productivity
Improved Safety
Eliminate high-pressure cylinder handling and storage hazards in your facility
Consistent Purity
Reliable nitrogen quality from 95% to 99.999% tailored to your process needs
Rapid ROI
Typical payback period of 12-24 months through reduced gas costs and improved quality
Minimal Maintenance
Simple operation with long-lasting CMS and minimal service requirements
Technical Specifications
| Nitrogen Purity | 95% to 99.999% (standard), up to 99.99995% with Deoxo purification |
| Flow Rate | 1 to 2000 Nm³/hr (higher capacities available) |
| Operating Pressure | 4-7 bar(g) standard, customizable |
| Outlet Pressure | Up to 6 bar(g) (adjustable) |
| Dew Point | -40°C to -70°C (with optional dryer) |
| Startup Time | 15 minutes from cold start |
| Control System | PLC-based with HMI touchscreen interface |
| Monitoring | Continuous oxygen analyzer, pressure, flow, and temperature sensors |
| Power Supply | 380-415V, 3-phase, 50/60 Hz |
| Compressed Air Required | Clean, dry, oil-free air at 7-8 bar(g) |
Purity Selection Guide for Metal Processing
- 95-97%: General purpose applications, laser cutting assist gas for mild steel
- 98-99%: Heat treatment, annealing, laser cutting of stainless steel and aluminum
- 99.5-99.9%: Bright annealing, brazing, sintering, precision laser applications
- 99.99%+: Specialty applications, reactive metals, additive manufacturing
Ready to Improve Your Metal Processing Quality?
Contact our technical team to discuss your nitrogen requirements and receive a customized solution for your metal processing facility.