Rocky RPN29-150-N0.6 PSA Nitrogen Generator 150 Nm³/h 99% Purity

Product Overview

The Rocky RPN29-150-N0.6 PSA Nitrogen Generator is an on‑site nitrogen production system based on Pressure Swing Adsorption (PSA) technology. Using Carbon Molecular Sieves (CMS) as the adsorbent medium, the system takes advantage of the different diffusion rates of oxygen and nitrogen molecules into the micropores of the CMS. Under pressurization, oxygen and other impurity gases are preferentially adsorbed, allowing high‑purity nitrogen to be continuously produced. The dual‑tower design operates alternately – one tower adsorbs under pressure to generate nitrogen while the other simultaneously regenerates through depressurization – ensuring uninterrupted 24/7 nitrogen supply.

With a nitrogen flow rate of 150 Nm³/h and a purity of 99%, this model is an ideal on‑site nitrogen generation solution, offering a cost‑effective and reliable alternative to traditional cylinder‑supplied or liquid nitrogen systems.

Key Advantages

1. Significantly Reduced Gas Costs

On‑site PSA nitrogen generation can cut nitrogen costs by up to 90%. Compared with traditional cylinder or liquid nitrogen supply, PSA offers lower and more stable gas costs, eliminating expenses for cylinder rental, transportation, storage, and manual handling. A one‑time capital investment delivers long‑term savings.

2. Reliable and Stable Nitrogen Supply

The dual‑tower alternating operation ensures consistent nitrogen purity, flow rate, and pressure. The system supports 24/7 continuous operation, effectively eliminating the risk of gas supply interruption. The selected high‑quality valves are designed to withstand up to 1 million switching cycles, ensuring long‑term reliability.

3. Fully Automatic Intelligent Control

Equipped with an advanced PLC control system, the generator continuously monitors nitrogen purity, flow rate, pressure, and overall operating status. The system runs fully automatically without the need for manual supervision. Off‑spec nitrogen is automatically vented to prevent any impact on production quality.

4. Quick Start‑up

The system reaches the required nitrogen purity within 15–30 minutes of start‑up. Nitrogen purity can also be flexibly adjusted over a wide range to suit different customer requirements.

5. Low Maintenance, Long Service Life

The unit features a unique CMS loading and compaction technology, ensuring high packing density and adsorption efficiency. The composite bed design combined with CMS compression technology extends the service life of the molecular sieves. With a simple, robust design, the generator offers low failure rates and easy maintenance.

Main Application Industries

• With a capacity of 150 Nm³/h and 99% purity, the RPN29‑150‑N0.6 is suitable for a wide range of industrial applications:

• Laser Cutting – Serves as an assist gas to protect the laser head, prevent oxidation, and improve cut quality. (Purity requirement: ≥99%)

• Metal Processing & Heat Treatment – Provides a protective atmosphere for heat treating, powder metallurgy, anti‑oxidation, and explosion prevention. (Purity requirement: 99–99.99%)

• Food Packaging & Preservation – Used in Modified Atmosphere Packaging (MAP), food storage and preservation, as well as edible oil and dairy processing. (Purity requirement: ≥98%)

• Electronics & Semiconductor – Supports component protection, reflow soldering, and wave soldering processes. (Purity requirement: ≥99.9%)

• Chemical & Pharmaceutical – Applied in inert blanketing for reactors, pipeline purging, and nitrogen padding. (Purity requirement: 99–99.99%)

• Oil & Gas – Suitable for pipeline purging, tank blanketing, and vapor recovery. (Purity requirement: 95–99%)

Why Choose Rocky?

• Proven PSA Technology – Based on reliable Pressure Swing Adsorption technology, ensuring stable and dependable performance.

• Cost‑Effective – Reasonable equipment investment with low operating costs, offering a short ROI payback period.

• Flexible Customization – Tailored solutions available to meet specific purity and flow requirements.

• Professional Service – Comprehensive after‑sales support including installation guidance, commissioning, and technical assistance.

• Fast Delivery – Efficient supply chain and production capability ensure on‑time delivery.

Need a Cylinder Filling System?
Contact us with the following information:

1. N₂ flow rate: _____ Nm³/hr

2. N₂ purity: _____ %

3. N₂ discharge pressure: _____ Bar (150 or 200 Bar)

4. N₂ dew point: _____ °C

5. Voltage & frequency: _____ V / PH / Hz

6. Local altitude: _____ meters above sea level

7. N₂ application: _____