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Gamma Mini Flow Lab Use Compact Nitrogen Generation Package is a mass manufactured small nitrogen generation product designed for many applications. Pressure swing adsorption technology is used to get nitrogen. With this technology, oxygen from air is discharged, while nitrogen is separated from air as product gas.  This machine has compact structure, wheels at bottom, it can be easily moved from one place to another. 

Mini Lab Nitrogen Gas Plant

1 Lab use mini nitrogen generation package specification:






Nitrogen purity


Oxygen content ≤0.5%


Nitrogen flow rate

≥25 L/min

20℃, 101.325Kpa


Nitrogen outlet pressure

≥450-620 kPa

See note


Power supply




Start up time

≤15 minutes

Time to get 99.5% purity




customer's property, not distributable



≤72 Db(A)

One meter from equipment



≤160 Kg

With package



850 x920 x 1100 mm

With package



1 carton on 1 plywood pallet


2 Lab Use Nitrogen Generator Technical Specification

2.1 Compressed air consumption

The generator consumes a maximum of 115 slpm of compressed air to generate the required N2 flow. Air source is not included in this product.

2.2. Air supply pressure

Minimum air supply pressure shall be externally regulated to 600 kPa.  

2.3. Air quality

This Generator is provided with one full set of FESTO filters, the air supplied to the Generator still need to be dry and oil-free.

2.4. N2 output

2.4.1. Quantity of N2 generate: the generator is capable of deliver 25 slpm nitrogen.

2.4.2. Delivery pressure: the generator delivers N2 at a pressure greater than 450 kPa.  

2.4.3. O2 contamination level: O2 level in the N2 stream is not exceed 0.5%, and does not vary from peak to trough by more than 5% of the absolute concentration. 

2.5 Dimensions

With package, the Generator size: 850 mm (Length)x 920 mm (width)x 1100 mm(height).  

2.6 Weight

With package, the Generator weight is less than 160 kg.

2.7 Wheels

The Generator is fitted with 2 fixed wheels at the rear and 2 swivel wheels with brakes at the front

2.8 Connection to power supply

The Generator has a panel mounted connector on the rear panel

• Current capacity at maximum temperature 2.5A<Imax<3.5A ( the power supply is capable of supplying 2.5A nominal)

• Jack plug, 5.5 x 2.5 x 9.5 mm, positive on the centre pin

• Maximum operating voltage at maximum temperature 30VDC.  

• Minimum number of insertions/extractions while maintaining contact resistance specification AND without mechanical failure: > 5000  

• Maximum contact resistance after specified minimum insertions: 30milliohms maximum  

• Insulation resistance: min 100MegaOhms after environmental and durability tests  

• Dielectric withstand Voltage : Min 500V for 60s

• Operating temperature range: -20 deg C to +70 deg C   

2.9 Indicator

The Generator has a pushbutton illuminated switch on the front panel

• Button to be flush mounting or recessed into a bezel to avoid damage

• High corrosion resistance, either plastic or stainless steel body  

• No symbol on button

• Size of button and bezel to be ~ 22mm to 30mm

• Mechanical Endurance : > 1000000 activations without mechanical failure

• Electrical Endurance : > 100000 cycles at maximum current and maintaining maximum specified contact resistance• Action mechanism : push on – push off

• Current handling capability : 4A DC min break, 4A DC min Make, inductive load (double the maximum expected current demand to give good lifetime)

• Maximum DC Working voltage : at least 40V DC

• Illumination type and color : LED, green

• Illumination Operating voltage: 24VDC

• Operating Temperature Range: -20deg C to +70 degC

• Terminal type : either screw terminal or 6.5mm spade type terminals  

2.10. Solenoids

The solenoids on the gas control valves is 24 VDC.

2.11. Operation

2.11.1. Operating cycle

A typical operating cycle for the Generator is 1 start per day and then run for 8 hours per day, which is equivalent to 2000 hours of operation per year. Depending upon the particular site, operating time could be anywhere between 0 and 24 hours per day.  

2.11.2. Operation at shutdown

When the power is turned off, the pressure vessels is maintained in the pressurized state by closing the two exhaust valves.  

2.12. Start up

12.1. Start up time

Start up times means the time from start up to producing qualified nitrogen.

The time to complete start up is less than 15 minutes.  

2.13. Gas connections

The two external gas connections on the Generator, Air In and N2 Out, are constructed from brass and are to suit ¼" (6.35 mm) OD tubing. There are labeling in English next to these connections, [Air In" and [N2 Out", as part of the rating label.

2.14. Environmental requirements

2.14.1. Operating temperatures

The Generator is normally operated within performance specification over the temperature range:

10ºC - 35ºC from 0 – 3000 m, and 10ºC - 25ºC from 3000 – 4500 m

The Generator can operate safely over the temperature range:

5ºC - 35ºC from 0 – 3000 m, and 5ºC - 25ºC from 3000 – 4500 m

2.14.2. Noise level requirements

Noise level from the Generator is less than 72dBa at 1m distance. This is achieved by fitting silencers on the exhaust vents.

2.15. Life Requirements

The Generator can operate with a mean time between failure of 5 years minimum. 

Lab use mini nitrogen generator


Posted by Eric Lee
e-MailContact company
Shandong Gamma Gas Engineering Co.Ltd
Address ShandongJinanFengnian Avenue, Chengdong Industrial Park
City & ZIP
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Company Profile

Shandong Gamma Gas Engineering Co.,Ltd is a manufacturer of nitrogen generator and oxygen generator in China. Since 2003, Gamma has supplied more than 2000 sets nitrogen/oxygen generators to our customers.

Gamma Nitrogen Generator Factory Gate

Gamma Gas key products:

Skid nitrogen generator

High purity nitrogen generator

Lab use nitrogen generator

Laser cutting nitrogen generator

Oil field nitrogen generator

Container nitrogen generator

93% purity industrial oxygen generator

99% purity industrial oxygen generator

93% purity medical oxygen generator

99% purity medical oxygen generator

14 years development, Gamma is proud for the reliability of our
nitrogen/oxygen generation system working at customer`s site.

products, Gamma also offers worldwide consulting, updating, training
service in the field of nitrogen/oxygen generation systems. No matter
for existing nitrogen/oxygen generation systems updating or new project
consulting, expansion, with Gamma`s experience in this field, our
customers always get the best solution for your specific need.


Gamma Gas Customers Reference List

Reference lists

Nitrogen/Oxygen Generators Certifications

nitrogen/oxygen generators have obtained CE certification, pressure
vessels can be also ASME certified. With these certifications, Gamma is
able to serve customers around the world.

Nitrogen generator CE certification

Nitrogen/Oxygen Generators Packings and deliveries

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 Product Details
 Product id  534065
 Visits   51
 Date  2018.01.28

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