Oil Free Nitrogen Industrial Air Compressor

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Oil Free Nitrogen Industrial Air Compressor

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

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Product Details
Technical Parameters

Oil Free 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.

On-site:

Non-lubricated Oxygen Industrial Air Compressor

Application:

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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