Ultra high-purity nitrogen generator NITROBERG®

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Overview
Produce nitrogen from compressed air at the point of use. NITROBERG® PSA generators provide adjustable purities from 97% to 99.999% across 18 standard models. Systems are engineered to match required flow, pressure and duty cycle and can be supplied as generator-only units or as turnkey packages including compressor, dryer, filtration, receivers and controls. On-site production reduces reliance on delivered gas and supports continuous supply for industrial processes.

How it works

• Air preparation: compressed air is dried and filtered to protect the carbon molecular sieve.
• Selective adsorption: under pressure the molecular sieve preferentially retains oxygen while nitrogen passes as product gas.
• Product collection: nitrogen-enriched gas flows to the product receiver where pressure and demand are balanced.
• Automatic regeneration: vessels alternate between adsorption and depressurisation/regeneration for continuous output.

Model range and performance (examples)
Performance values are given as N2 output / compressed-air demand (Nm³/h). Example: NITROBERG® 500 — 97%: 10.7 / 24.6; 98%: 8.6 / 19.8; 99%: 7.1 / 18.5; 99.999%: 1.2 / 7.7. Larger models up to NITROBERG® 4000 deliver up to 1,709.1 Nm³/h at 97% N2. Use the model matrix for preliminary selection; final sizing is confirmed in the technical offer.

Features & operation

• Eight standard purity grades from 97% to 99.999% N2.
• Continuous oxygen/purity monitoring and configurable diversion of off‑spec gas.
• Demand‑led automatic control with standby and load‑following behaviour.
• Available as generator-only or integrated turnkey package with air treatment and storage.
• Flexible installation: standalone, skid-mounted or containerised; remote support options.

Typical applications

• Food & beverage: modified-atmosphere packaging, product protection and line purging.
• Laser cutting: high‑purity assist gas where on‑site supply is acceptable.
• Electronics: controlled N2 atmospheres for reflow, soldering and storage.
• Chemical & pharmaceutical: purging, blanketing and transfer within validated safety concepts.
• Oil & gas / energy: purging and inerting at remote or on‑shore sites.
• Metal processing: inerting and heat‑treatment support.

Technical specifications

• Technology: Pressure Swing Adsorption (PSA) with two alternating adsorption vessels.
• Nitrogen purity range: 97%–99.999% (eight standard grades).
• Standard sizes: 18 models with outputs from small laboratory flows to >1,700 Nm³/h depending on purity.
• Flow units: Nm³/h (N2 output and compressed‑air demand shown in the model matrix).
• Compressed‑air factor: typically from ~2.3 up to ~6.4 at highest purities; actual factor depends on inlet pressure and operating conditions.
• Options: continuous purity monitoring, skid or container integration, turnkey supply including compressor/dryer/filters/receivers, remote monitoring.