Discharged pressure :0.22~3.0MPa32~435psig
Capacity : 3~10m3/min
Motor power : 22~125kw
Previous : Hydrogen Reciprocating Air Compressor
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.
| 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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