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a. Specifications of Best Price PSA oxygen and nitrogen generator for sale
| oxygen capacity | 2-200Nm3/h |
| oxygen purity | 93%+-2% |
| output pressure | 0.1-0.3MPa(1-3Bar) adjustable / 15MPa filling pressure offered |
| Specification | output (Nm³/h) | Effective gas consumption (Nm³/h) | air cleaning system |
b. PSA oxygen generator principle of operation

PSA oxygen generator is automatic equipment which separate oxygen from air, according to the performance of molecular sieve, when pressurized the molecular sieve adsorption and depressurization the molecular sieve desorption. The molecular sieve is a kind of spherical granular adsorbent, which is formed by the special holes processing technology. The surface and the inner surface and the interior are filled with micro pores. Its groove characteristics enable the separation of oxygen and nitrogen. The separation of oxygen and nitrogen by molecular sieves is based on the small differences in the kinetic diameters of these two gases. The nitrogen molecule has a faster diffusion rate in the micro pores of the molecular sieve. Slow diffusion rate of oxygen/nitrogen molecules. Nitrogen molecules are enriched in the end from the adsorption tower.
Oxygen generator is constructed according to the principle of operation P.S.A. (Pressure Swing Adsorption) and is composed by a minimum of two absorbers filled up with molecular sieve. The absorbers are crossed alternatively by the compressed air (previously purified in order to eliminate oil, humidity and powders) and produce oxygen. While a container, crossed by the compressed air, produces gas, the other regenerates itself losing to pressure atmosphere the gases previously adsorbed. The process comes in cyclical way. The generator is managed by a PLC.
c.Technical Features
1).Full Automation
All systems are designed for un-attended operation and automatic Nitrogen demand adjustment.
2).Lower Space Requirement
The design and Instrument makes the plant size very compact,assembly on skids,prefabricated from factory.
3).Fast Start-up
Start-up time is only 5 minutes to get desired Nitrogen purity.So these units can be switched ON&OFF as per Nitrogen demand changes.
4).High Reliabiity
Very reliable for continuous and steady operation with constant Nitrogen purity.Plant availability time is better than 99% always.
5).Molecular Sieves life
Expected Molecular sieves life is around 15-years i.e. whole life time of nitrogen plant.So no replacement costs.
6).Low power consumption and maintance







1.Are you manufacture or trading comany?
We are professional factory in oxygen generator, nitrogen generator, liquid nitrogen generator and air separator generator field for about 20 years.
Our factory located in Hangzhou city, covering an area of 20,000 square meters.
2. Which part will you provide?
We will provide whole set of the generator, including air compressor, air purification system, buffer tank, PSA system. If required we will also provide pressurization system and filling system.
3. What certifications do you have?
We have ISO 9001:2008, ISO14001:2015, OHSAS18001: 2007 and many patent certifications.
4. How could I get a quotation?
It required to know the capacity, purity and pressure of the generator.
Different country, different voltages. So it's better noted what voltage of 3 phase and 1 phase when inquire ?
In China, power supply is 380V(3phase)/220V(1 phase) /50Hz.
If you have any queation, please do not hesitate to contact us by following information :

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