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Traditional compressors often involve oil in the compression process, which can contaminate the gas, making it difficult to achieve 100% oil-free purity. MINNUO’s high-pressure oil-free piston compressors are designed to ensure clean gas and have achieved the ISO 8573-1 Class 0 oil-free certification, guaranteeing the highest level of air purity.
MINNUO high-pressure piston air compressors, on the other hand, are specifically designed to meet high-pressure demands. These compressors can compress gas to tens or even hundreds of atmospheres, making them ideal for industries that require high-pressure gas. For example:
Compression medium: hydrogen, nitrogen, LPG,light hydrocarbon gas, ethylene, propylene, rich gas,analysis gas and other special gases.
| MODEL | INLET PRESSURE MPA(G) |
OUTLET PRESSURE MPA(G) |
NOMINAL VOLUME FLOW RATE NM3/H |
LUBRICATION METHOD |
POWER KW |
ROTATIONAL SPEED R/MIN |
|---|---|---|---|---|---|---|
| DW-3/0.5-6.5 | 0.05 | 0.65 | 3.0 | Oil-free | 45 | 420 |
| DW-57/27-30 | 2.7 | 3.0 | 57 | Oil-free | 37 | 420 |
| DW-10/10-25 | 1.0 | 2.5 | 10 | Oil-free | 45 | 420 |
| DW-10/2-8 | 0.2 | 0.8 | 10 | Oil-free | 45 | 420 |
| DW-4/0.5-7 | 0.05 | 0.7 | 4.0 | Oil-free | 45 | 420 |
| DW-6/6-16 | 0.6 | 1.6 | 6.0 | Oil-free | 45 | 420 |
| DW-32/8-16 | 0.8 | 1.6 | 32 | Oil-free | 90 | 420 |
| D3.5W-7/9-26 | 0.9 | 2.6 | 7.0 | Oil-free | 37 | 420 |
| DW-27.5/6.5-8 | 0.65 | 0.8 | 27.5 | Oil-free | 30 | 420 |
| DW-91.8/50-55 | 5.0 | 5.5 | 91.8 | Oil-free | 55 | 420 |
The transmission part adopts forward or reverse lubrication technology, and the piston and crosshead adopt semi-hydraulic or threaded connection technology.
| MODEL | OUTLET PRESSURE MPA(G) |
NOMINAL VOLUME FLOW RATE NM3/H |
DIMENSION(L*M*H) | TOTAL WEIGHT KG |
|---|---|---|---|---|
| V-1.1/350 | 1.1 | 35 | 2800*1780*1600 | 2600 |
| V-3/250 | 3 | 25 | 2890*2300*1736 | 3000 |
| V-3/350 | 3 | 35 | 2890*2300*1736 | 3000 |
| VF-1/150 | 1 | 15 | 2500*1500*1500 | 2000 |
| VF-1/250 | 1 | 25 | 2500*1500*1500 | 2000 |
| VF-1/350 | 1 | 35 | 2500*1500*1500 | 2000 |
| VF-1/60 | 1 | 6 | 2500*1500*1500 | 2000 |
| VF-1.5/250 | 1.5 | 25 | 2500*1500*1500 | 2100 |
| VF-1.5/350 | 1.5 | 35 | 2500*1500*1500 | 2100 |
| VF-1.5/60 | 1.5 | 6 | 2500*1500*1500 | 2000 |
| VF-1.5/150 | 1.5 | 15 | 2500*1500*1500 | 2100 |
| VF-2/150 | 2 | 15 | 3000*1600*1600 | 2700 |
| VF-2/60 | 2 | 6 | 3000*1600*1600 | 2700 |
| VF-2/250 | 2 | 25 | 3000*1600*1600 | 2800 |
| VF-2/350 | 2 | 35 | 3000*1600*1600 | 2800 |
| VF-3/150 | 3 | 15 | 3000*1600*1600 | 2800 |
| VF-3/250 | 3 | 25 | 3000*1600*1600 | 2800 |
| VF-3/60 | 3 | 6 | 3000*1600*1600 | 2800 |
Compression medium: hydrogen, nitrogen, LPG,light hydrocarbon gas, ethylene, propylene, rich gas,analysis gas and other special gases.
| MODEL | INLET RESSURE MPA(G) |
OUTLET PRESSURE MPA(G) |
NOMINAL VOLUME FLOW RATE NM3/H |
LUBRICATION METHOD |
POWER KW |
ROTATIONAL SPEED R/MIN |
|---|---|---|---|---|---|---|
| 4M40-420/0.06-3 | 0.006 | 0.3 | 420 | OIL-FREE | 1800 | 330 |
| 4M32-117/0.2-40 | 0.02 | 4.0 | 117 | OIL-FREE | 1400 | 330 |
| 4M32W-270/16 | 0.1 | 1.6 | 270 | OIL LUBRICATION | 2400 | 330 |
| 4M32W-100/80 | 0.1 | 8.0 | 100 | OIL LUBRICATION | 1600 | 330 |
| 4M32W-343/6-57 | 0.6 | 5.7 | 343 | OIL LUBRICATION | 2300 | 330 |
| 4M32W-185/0.2-25 | 0.02 | 2.5 | 185 | OIL LUBRICATION | 1900 | 330 |
| 4M32W-1667/4.2-5.7 | 0.42 | 0.57 | 1667 | OIL LUBRICATION | 1600 | 330 |
| 4M25-156/26 | 0.1 | 2.6 | 156 | OIL-FREE | 1600 | 370 |
| 4M25W-115/0.86-20 | 0.086 | 2.0 | 115 | OIL LUBRICATION | 1000 | 370 |
| 4M25-180/16 | 0.1 | 1.6 | 180 | OIL-FREE | 1600 | 370 |
| 4M16-80/25 | 0.1 | 2.5 | 80 | OIL-FREE | 900 | 370 |
| 4M16-79/0.1-33 | 0.01 | 3.3 | 79 | OIL-FREE | 900 | 370 |
| 4M16W-84/0.4-8.8 | 0.04 | 0.88 | 84 | OIL LUBRICATION | 560 | 370 |
| 4M10W-40/38 | 0.1 | 3.8 | 40 | OIL LUBRICATION | 500 | 420 |
| 4M10W-57/0.1-16 | 0.01 | 1.6 | 57 | OIL LUBRICATION | 500 | 420 |
A high-pressure oil-free piston compressor refers to a compressor that operates without using lubricating oil inside the cylinder, relying on the coordination of its piston, crankshaft, and cylinder. MINNUO offers a completely oil-free dry-structure crankcase, ensuring no lubricating oil comes into contact with the compressed air source. As a result, the discharged air is 99% free of oil particles.
Firstly, MINNUO high-pressure piston compressors are ideally suited to heavy-duty applications and are easy to maintain thanks to their simple and robust design. Their easy maintenance process helps to reduce downtime and associated maintenance costs.
In industries that require compressed air as a critical resource, such as medical, food, electronics, automotive, energy, etc., the MINNUO High Pressure Piston Air Compressor therefore has the capacity to fulfil your high pressure air needs.
In addition, piston air compressors can be easily integrated into other machines as OEM components. However, it is worth noting that piston compressors typically have run-time limitations and may require cooling periods to avoid overheating.
MINNUO high pressure piston compressors do not need to consume large amounts of air or power to meet the compression requirements of your project. They can operate at airflows of less than 4 litres per second and less than 1.5 kW.
MINNUO high pressure piston air compressors are generally more affordable than other types of compressors, with lower initial investment costs. This makes it an ideal choice for projects with limited budgets.
Specialized shaft tile technology, gas valve technology makes the transmission efficiency greatly improved, the unit power consumption significantly reduced.
Complete corporate standardization and a rich library of base parts allow for quicker product customization.
The core components are processed by high precision CNC machine tools, which fully guarantee the reliable operation of the unit.
Choosing a MINNUO oil-free high-pressure piston compressor not only ensures high-quality compressed air but also provides the added benefit of our professional sales team helping you significantly reduce purchasing costs. If you’re looking to maintain production efficiency while minimizing your investment and operational expenses, contact us today. We will provide a customized solution tailored to meet your specific needs.
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