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Nitrogen Reciprocating Air Compressor

Discharged pressure :0.22~3.0MPa32~435psig
Capacity : 3~10m3/min
Motor power : 22~125kw

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Nitrogen piston compressor is a product specially designed and developed for special gas media on the basis of our company's leading product oil-free lubrication air compressor.
In addition to the characteristics of the air compressor, it has been specially designed for the particularity of the compressed medium. The model has a compact structure, small size, beautiful appearance, stable operation, low specific power, and low noise.

The main features are as follows:
1. Absolutely sealed, the compressed medium does not leak, ensuring environmental production safety.
2. Using oil-free lubrication, the compressed medium does not contain oil, does not react, and maintains the original gas characteristics.
3. Equipped with gas recovery device to avoid gas loss.

 

Advantages:

Application of Nitrogen Air Compressor

 

Customer site:

Oil Free Oxygen Industrial Air CompressorOil Free Oxygen Industrial Air CompressorOil Free Oxygen Industrial Air Compressor

 

Oil Free Oxygen Industrial Air CompressorOil Free Oxygen Industrial Air CompressorOil Free Oxygen Industrial Air Compressor

Nitrogen Piston Compressor Technical Parameter Table 1
Model EZW-10/10 EZW-10/2.2 EZW-10/7 EZW-3/6 EZW-3/8 EZW-6/10
Type Double cylinder double acting Double cylinder single acting Vertical double cylinder double acting
Medium Nitrogen
Stage 2 1 2 2 2 2
Suction Pressure MPa 0.1 0.1 0.1 0.1 0.1 0.1
Discharged pressure MPa 1.0 0.22 0.7 0.6 0.8 1.0
Capacity m3/min 10 10 10 3 3 6
Speed r/min 740 740 740 730 730 740
Shaft Power kW ≤66.7 ≤30 ≤58 ≤18.5 ≤12.3 ≤40
Cylinder dia mm φ285/φ170 φ270+φ165 φ285/φ175 φ250/φ150 φ250/φ150 φ250/φ150
Stroke mm 140 110 140 110 110 110
Suction temp ≤40/45 ≤40/45 ≤40/45 ≤35/45 ≤35/45 ≤40/45
Discharged temp ≤160 ≤160 ≤160 ≤160 ≤160 ≤160
Temp.at outlet of cooler ≤40 ≤40 ≤40 ≤40 ≤40 ≤40
Oil temp ≤70 ≤70 ≤70 ≤70 ≤70 ≤70
Cooling Water cooling
Lubricating Oil pump lubricates crankshaft, connecting rod, crosshead
Driving Flexible coupling direct coupling
Max.temp.of intlet water ≤30 ≤30 ≤30 ≤30 ≤30 ≤30
Max.temp.of outlet water ≤40 ≤40 ≤40 ≤40 ≤40 ≤40
Cooling water consumption m3/h 2.4 2 2.4 1.5 1.5 2.4
Motor Type Y315M1-8 Y280S-8 Y280M2-8 Y255M-8 Y225M-8 Y280M-8
Motor speed r/min 740 740 740 730 730 740
Motor power kW 75 37 65 22 22 45
Noise dB(A) ≤104 ≤104 ≤104 ≤104 ≤104 ≤104
Weight kg 2986 1500 2930 1600 1600 1600
Dimensions
(L×W×H)
mm 2250×1537×2100 2250×1545×2100 2250×1545×2075 2250×985×1800 2250×985×1800 2250×1545×2100

 

Nitrogen Piston Compressor Technical Parameter Table 2
Model EZW-6/7 EZW-6/7-I EZW-7/8 EVW-10/30 EVW-6/30 EVWWJ-8/25
Type Double cylinder double acting V-shaped, double-cylinder double-acting, differential V-type, double-cylinder double-acting without foundation, step difference type
Medium Nitrogen
Stage 2 2 2 3 3 3
Suction Pressure MPa 0.01~0.04 0.02~0.04 0.19 0.118 ≤18KPa 18KPa
Discharged pressure MPa 0.7 0.7 0.8 3.0 3.0 2.5
Capacity m3/min 6 6 7 10 6 8
Speed r/min 740 740 740 985 590 740
Shaft Power kW ≤36 ≤36 ≤40 ≤120 ≤68 ≤95
Cylinder dia mm φ250/φ150 φ250+φ150 φ270/φ165 φ320/φ240/φ125 φ320/φ240/φ130
Stroke mm 110 110 110 104 104 104
Suction temp ≤40/45 ≤40/45 ≤40/45 ≤35/45/45 ≤40
Discharged temp ≤160 ≤160 ≤160 ≤180 ≤180 ≤160
Temp.at outlet of cooler ≤40 ≤40 ≤40 ≤40 ≤40 ≤40
Oil temp ≤70 ≤70 ≤70 ≤70 ≤70 ≤70
Cooling Water cooling
Lubricating Oil pump lubricates crankshaft, connecting rod, crosshead
Driving Flexible coupling direct coupling
Max.temp.of intlet water ≤30 ≤30 ≤30 ≤30 ≤30 ≤30
Max.temp.of outlet water ≤40 ≤40 ≤48 ≤48 ≤48 ≤45
Cooling water consumption m3/h 2 2 2.2 6 6 4.8
Motor Type Y280S-8 Y280S-81P44 Y280M2-8 Y315M2-6B5 Y315M2-10B5 Y315M2-8B5
Motor speed r/min 740 740 740 985 590 590
Motor power kW 37 37 45 125 75 95
Noise dB(A) ≤104 ≤104 ≤104 ≤105 ≤105 ≤105
Weight kg 1435 1435 1450 4400 4400  
Dimensions(L×W×H) mm 2250×1546×1833 2250×2050×2180 2443×2300×1780 2443×2300×1890  

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