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Oil-free water-lubricated air compressors are a mainstream technology for oil-free air compressors. They use water as a cooling, lubricating, and sealing medium, forming a "water film" between the rotors, replacing traditional lubricating oil, thereby achieving 100% oil-free compressed air.
Product Parameters
| Oil-free Water Lubricated Screw Air Compressor RW Series | |||||||||||
| Model | Air Delivery (m3/min) | Power (kW) | Lubricating water amount (Liters) | Cooling water amount T/Hour | Cooling water inlet/outlet diameter | Noise dB(A) | Outlet diameter | Dimension (mm) | Weight (Kg) | ||
| 8 bar | 10 Bar | 12.5 bar | L*W*H | ||||||||
| RW-18A/W | 3.13 | 2.82 | 2.05 | 18.5 | 30 | 4.0 | 1" | 65 | 1" | 1400*900*1450 | 705 |
| RW-22A/W | 3.52 | 3.21 | 2.78 | 22 | 30 | 5.0 | 1" | 65 | 1" | 1400*900*1450 | 745 |
Advantages of Oil-Free Water-Lubricated Air Compressors
1. True Oil-Free
The air produced is absolutely pure, meeting the highest ISO 8573-1 Class 0 (zero oil-free) standard.
2. Low Operating Costs
◦ The cooling and lubricating medium is water, which is much less expensive than specialized lubricants.
◦ Excellent heat dissipation and a near-isothermal compression process generally result in lower energy consumption and greater energy savings.
3. Environmentally Friendly
◦ No oil discharge, simplifying subsequent condensate treatment and eliminating the need for expensive oil-water separators.
4. Simple Maintenance
Regular replacement of the water filter and air filter is essential, eliminating the expense and hassle of replacing oil separators and filters.
Application Scenarios
1. Healthcare
• Ventilators, dental equipment, surgical instruments (requires 100% oil-free air).
• Pharmaceutical sterile workshops and laboratories (GMP certification required).
2. Food & Beverage
• Food packaging, filling, and fermentation (avoids oil contamination, complies with FDA/ISO 22000).
• Dairy, beer, and beverage production lines.
3. Electronics & Semiconductors
• Chip manufacturing, PCB production (prevents oil contamination from affecting precision components).
• Laser cutting, optical coating (protects lenses and optical equipment).
FAQ
❓ Will it corrode the main unit? → Stainless steel/ceramic coating for corrosion resistance
❓ Water quality requirements? → Deionized/softened water (conductivity <10μS/cm) required
❓ Better than a dry oil-free unit? → Better heat dissipation and longer lifespan
❓ Maintenance requirements? → Water filter replacement (2000 hours), main unit overhaul (40,000 hours)
Oil-free water-lubricated air compressors are a mainstream technology for oil-free air compressors. They use water as a cooling, lubricating, and sealing medium, forming a "water film" between the rotors, replacing traditional lubricating oil, thereby achieving 100% oil-free compressed air.
Product Parameters
| Oil-free Water Lubricated Screw Air Compressor RW Series | |||||||||||
| Model | Air Delivery (m3/min) | Power (kW) | Lubricating water amount (Liters) | Cooling water amount T/Hour | Cooling water inlet/outlet diameter | Noise dB(A) | Outlet diameter | Dimension (mm) | Weight (Kg) | ||
| 8 bar | 10 Bar | 12.5 bar | L*W*H | ||||||||
| RW-18A/W | 3.13 | 2.82 | 2.05 | 18.5 | 30 | 4.0 | 1" | 65 | 1" | 1400*900*1450 | 705 |
| RW-22A/W | 3.52 | 3.21 | 2.78 | 22 | 30 | 5.0 | 1" | 65 | 1" | 1400*900*1450 | 745 |
Advantages of Oil-Free Water-Lubricated Air Compressors
1. True Oil-Free
The air produced is absolutely pure, meeting the highest ISO 8573-1 Class 0 (zero oil-free) standard.
2. Low Operating Costs
◦ The cooling and lubricating medium is water, which is much less expensive than specialized lubricants.
◦ Excellent heat dissipation and a near-isothermal compression process generally result in lower energy consumption and greater energy savings.
3. Environmentally Friendly
◦ No oil discharge, simplifying subsequent condensate treatment and eliminating the need for expensive oil-water separators.
4. Simple Maintenance
Regular replacement of the water filter and air filter is essential, eliminating the expense and hassle of replacing oil separators and filters.
Application Scenarios
1. Healthcare
• Ventilators, dental equipment, surgical instruments (requires 100% oil-free air).
• Pharmaceutical sterile workshops and laboratories (GMP certification required).
2. Food & Beverage
• Food packaging, filling, and fermentation (avoids oil contamination, complies with FDA/ISO 22000).
• Dairy, beer, and beverage production lines.
3. Electronics & Semiconductors
• Chip manufacturing, PCB production (prevents oil contamination from affecting precision components).
• Laser cutting, optical coating (protects lenses and optical equipment).
FAQ
❓ Will it corrode the main unit? → Stainless steel/ceramic coating for corrosion resistance
❓ Water quality requirements? → Deionized/softened water (conductivity <10μS/cm) required
❓ Better than a dry oil-free unit? → Better heat dissipation and longer lifespan
❓ Maintenance requirements? → Water filter replacement (2000 hours), main unit overhaul (40,000 hours)
