Oil Free Compressor For Oxygen Generator ZW-42/1.4-A

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Product Detail

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Product Introduction

Product Introduction

①. Basic parameters and performance indicators 
1. Rated voltage/frequency:AC 220V/50Hz
2. Rated current:1.2A
3. Rated power:260W
4. Motor stage:4P
5. Rated speed:1400RPM
6. Rated flow:42L/min
7. Rated pressure:0.16MPa
8. Noise:<59.5dB(A)
9. Operating ambient temperature:5-40℃
10. weight:4.15KG
②. Electrical performance 
1. Motor temperature protection:135℃
2. Insulation class:class B
3. Insulation resistance:≥50MΩ
4. Electrical strength:1500v/min(No breakdown and flashover)
③. Accessories 
1. Lead length : Power-line length 580±20mm, Capacitance-line length 580+20mm
2. capacitance:450V  25µF
3. Elbow:G1/4
4. Relief valve: release pressure 250KPa±50KPa
④. Test method
1.  Low voltage test :AC 187V. Start the compressor for loading, and do not stop before the pressure rises to 0.16MPa
2.  Flow test : Under the rated voltage and 0.16MPa pressure, start to work to a stable state, and the flow reaches 42L/min.

Product Indicators


Rated voltage and frequency

Rated power(W)

Rated current(A)

Rated working pressure(KPa)

Rated volume flow(LPM)



Low pressure start(V)

Installation dimension(mm)

Product dimensions(mm)



AC 220V/50Hz











Product Appearance Dimensions drawing: (Length: 199mm × Width: 114mm × Height: 149mm)


Oil-free compressor(ZW-42/1.4-A)for oxygen concentrator

1. Imported bearings and sealing rings for good performance.
2. Less noise, suitable for long-term operation.
3. Applied in many fields.
4. Powerful.


The working principle of the whole machine
The air enters the compressor through the intake pipe, and the rotation of the motor makes the piston move back and forth, compressing the air, so that the pressure gas enters the air storage tank from the air outlet through the high-pressure hose, and the pointer of the pressure gauge rises to 8BAR. , greater than 8BAR, the pressure switch is automatically closed, the motor stops working, and at the same time, the solenoid valve passes through the pressure relief air pipe to reduce the air pressure in the compressor head to 0. At this time, the pressure of the air switch and the gas pressure in the gas storage tank are still 8KG, and the gas passes through Filter pressure regulating valve, exhaust switch exhaust. When the air pressure in the air storage tank drops to 5kg, the pressure switch will automatically open and the compressor will start working again.

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