
Psa Oxygen Gas Plant
Automated Operation: Our equipment boasts fully automatic operation, allowing for a seamless and unattended process from start to finish.
Efficient Design: With a rational structure, our generators prioritize safety and stability while keeping energy consumption at a minimum.
Customizable Performance: Newtek 's PSA oxygen generators offer stable and adjustable pressure, purity, and flow rates to cater to the diverse needs of our customers.
Description
Technical Parameters
A PSA Oxygen Gas Plant is an on-site oxygen generation system that uses Pressure Swing Adsorption (PSA) technology to separate oxygen from ambient air at room temperature, delivering 90%–99.5% purity oxygen reliably and cost-effectively. It eliminates reliance on cylinder or liquid oxygen supplies, ideal for medical, industrial, and environmental applications.

psa oxygen gas plant manufacturer

Core Working Principle
The system leverages the selective adsorption of nitrogen by zeolite molecular sieves under pressure, with dual/multi-tower alternation for continuous operation:
●Air Compression & Purification:
Raw air is compressed, cooled, dried, and filtered to remove oil, water, and particulates.
●Adsorption:
Pressurized clean air enters an adsorption tower; molecular sieves preferentially adsorb nitrogen, CO₂, and moisture, allowing oxygen to pass through.
●Regeneration:
When the tower is saturated, pressure drops to desorb and vent nitrogen, regenerating the molecular sieve for reuse.
●Continuous Production:
PLC-controlled valves switch between towers (typically 2–4) to ensure non-stop oxygen output with stable purity.
| No. | Models | Capacity (Nm3/hr) | Purity | Power consumption of 1Nm3 oxygen produced (kw/h) | Number of bottles filled in 12 hours (pcs) | Operator needed |
| 1 | NTK-5P | 5 | 93%+-3% | 3.54 | 10 | 2 |
| 2 | NTK-10P | 10 | 93%+-3% | 2.52 | 20 | 2 |
| 3 | NTK-15P | 15 | 93%+-3% | 2.31 | 30 | 2 |
| 4 | NTK-20P | 20 | 93%+-3% | 2.13 | 40 | 2 |
| 5 | NTK-25P | 25 | 93%+-3% | 2.01 | 50 | 2 |
| 6 | NTK-30P | 30 | 93%+-3% | 2.09 | 60 | 2 |
| 7 | NTK-40P | 40 | 93%+-3% | 1.81 | 80 | 2 |
| 8 | NTK-50P | 50 | 93%+-3% | 1.94 | 100 | 2 |
| 9 | NTK-60P | 60 | 93%+-3% | 1.62 | 120 | 2 |
| 10 | NTK-80P | 80 | 93%+-3% | 1.92 | 160 | 2 |
| 11 | NTK-100P | 100 | 93%+-3% | 1.83 | 200 | 2 |
| Design basis: Altitude:≤500m;RH:≤80%;Temperature:0℃-38℃;Filling pressure: 150Bar 40L Type Standard Cylinder |
Psa Oxygen Generation Equipment Details
Typical Applications
Fish farming
Sewage treatment
Glass industry
Food industries
Pulp and paper industry
Welding, melting, brazing
Manufacturing batteries
Chemical oxidation
Advantages of NEWTEK PSA
Low operating pressures
No hazardous storage or connections
Low gas generating costs
Fully automatic unattended operation
High life cycle valves
Easy to install and maintain • Low dBA levels
Standard Components
ASME adsorber vessels
High life cycle valves
Oxygen analyzer (with calibration kit)
Piping, gauges, and instrumentation
Pressure Safety valve
Oxygen flow regulators
PLC control system
Carbon Steel skid mounted
Exhaust silencing muffler
Options
Product flow meter
Inlet filtration package
Post filtration package
Auto shut down/startup/standby mode
Off specification circuit
HMI Display Screen
Master controller: PLC driven for multiple unit operation
Enhanced PLC with telemetry
Compressed air buffer tank
Oxygen buffer tank
Product booster compressor
Dew point analyzer
Tanks & generator on a common skid
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FAQ
Q1: What is the oxygen purity standard of medical PSA oxygen plants? Do they meet medical regulatory requirements?
A1: Medical PSA plants have standard oxygen purity that meets medical regulations like YY/T 0298. Higher purity can be customized, and medical units need to pass device registration.
Q2: If oxygen purity suddenly drops during operation, what might be the causes and solutions?
A2: Common causes of reduced oxygen purity: leaks, faulty parts, molecular sieve failure, and clogged filters. Corresponding fixes: seal repairs, part replacement, sieve renewal, and filter change.
Q3: Is the operating cost of PSA oxygen plants high? What are the main cost components?
A3: PSA oxygen plants have lower operating costs than cylinders or liquid oxygen, mainly including electricity, routine maintenance, and equipment depreciation.
Q4: Will using PSA oxygen plants in high-altitude areas affect oxygen production efficiency? Are special configurations required?
A4: High-altitude environments reduce oxygen production efficiency. Special configurations like high-altitude kits can ensure stable operation; higher altitudes may require customization.
Q5: Is daily maintenance of PSA oxygen plants complicated? What maintenance plan should be formulated?
A5: Daily maintenance of PSA oxygen plants is simple, focusing on regular inspection and replacement of consumables. Enhanced maintenance kits are recommended for continuous industrial operation.
Q6: How to select a PSA oxygen plant with appropriate specifications based on actual needs? What are the core reference indicators?
A6: 4 key selection indicators: ① Parameters: Purity (medical ≥93%, industrial 90%-95%), output (1-5000Nm³/h), pressure (0.4-0.8MPa, boosters optional). ② Scenarios: Certified units for medical; oil/dust-resistant for industrial; upgraded dryers for humidity. ③ Site: Adjust for altitude, temp (4-27℃), humidity (dew point ≤4℃); reserve space. ④ Economy: Choose models by operating hours and total ownership cost.
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