Water-Lubrication & Sealing Mechanism
A precision-engineered water injection system supplies specially treated purified water to the compression chamber during operation. This water forms a uniform molecular protective film on the metal surfaces of the rotors and cylinders, serving dual roles: as a lubricant to reduce friction and as a sealant to prevent air leakage. Unlike oil, water leaves no residues, ensuring the compressed air remains oil-free.
Heat Dissipation Through Water Conductivity
Water’s excellent thermal conductivity rapidly absorbs and dissipates the heat generated during compression. This reduces the compressor’s operating temperature significantly compared to oil-lubricated models, preventing overheating and maintaining consistent efficiency—even during long working cycles.
Oil-Free Compression Cycle
By eliminating oil from the compression process, the system avoids the risk of oil contamination in the compressed air. The final air output meets the ISO 8573-1 Class 0 standard (the highest for oil-free air), making it safe for applications where even trace oil could compromise product quality or safety.
Absolute Oil-Free Guarantee
With 0 ppm oil content in the compressed air, the compressor fully complies with ISO 8573-1 Class 0—the gold standard for oil-free air. This eliminates the risk of oil contamination, making it indispensable for food, pharmaceutical, and electronics industries.
Significant Energy & Cost Savings
By removing oil separators and eliminating the need for oil changes, the compressor reduces annual operational costs by a substantial margin. The water-lubricated technology and variable frequency control also boost system efficiency, lowering electricity consumption compared to traditional oil-lubricated models.
Exceptional Durability & Corrosion Resistance
Key components, including nano-ceramic-coated cylinders and special stainless steel rotors, are resistant to corrosion and wear. These materials withstand the constant contact with water, extending the compressor’s service life to tens of thousands of hours.
Low Noise & Environmental Friendliness
The EcoSilent design minimizes noise during operation, creating a quieter working environment—critical for indoor facilities like food processing plants or laboratories. Additionally, the absence of oil reduces waste generation and environmental impact, aligning with sustainable industrial practices.
| Food & Beverage Industry In food processing and beverage production, the compressor supplies oil-free air for material conveying, packaging, and filling. It prevents oil contamination of food products, ensuring compliance with strict food safety regulations and maintaining product freshness. | Pharmaceutical Industry During pharmaceutical manufacturing (e.g., fermentation, drying, filling), sterile oil-free air is essential to avoid compromising drug purity. The compressor’s output meets pharmaceutical hygiene standards, supporting the production of safe, high-quality medications. |
| Electronics Industry Chip manufacturing and circuit board assembly require high-purity air to prevent oil particles or impurities from damaging sensitive electronic components. The compressor’s 100% oil-free air ensures the precision and reliability of electronic products. | Textile Industry For air-jet looms (used in weaving), the compressor provides clean air for weft insertion. Without oil mist, textiles remain free from stains or defects, improving product quality and reducing waste in weaving and finishing processes. |
| Environmental Protection Industry In sewage treatment, the compressor supplies air for aeration systems, where oil-free air prevents contamination of wastewater and ensures the efficiency of biological treatment processes. It also supports eco-friendly agricultural applications like precision spraying. |
| Oil-free Water Lubricated Screw Air Compressor | ||||||||||
| Model | Motor power | Maximiu m working pressure | FAD | Cooling water outlet/ inlet diameter | Noise | Dimension L*W*H | Weight | Quantity of cooling water Inlet water 32℃ | Quantity of lubricating water | Air outlet |
| KW/HP | Bar | M3/min | DB | mm | KG | T/H | L | |||
| LY-5.5WPM | 5.5/7.5 | 8 | 0.3-0.78 | 3/4" | 57 | 800*800*1200 | 320 | 1.5 | 10 | 3/4" |
| 10.0 | 0.2-0.65 | |||||||||
| LY-7.5WPM | 7.5/10 | 8 | 0.35-1.17 | 3/4" | 57 | 800*800*1200 | 320 | 2 | 10 | 3/4" |
| 10.0 | 0.3-1.05 | |||||||||
| LY-11WPM | 11/15 | 8 | 0.54-1.72 | 1" | 60 | 1200*755*1130 | 400 | 2.5 | 26 | 3/4" |
| 10.0 | 0.45-1.42 | |||||||||
| LY-15WPM | 15/20 | 8 | 0.75-2.43 | 1" | 60 | 1200*755*1130 | 440 | 3.5 | 26 | 3/4" |
| 10.0 | 0.65-2.17 | |||||||||
| LY-18.5WPM | 18.5/25 | 8 | 0.9-3.13 | 1" | 63 | 1400*900*1270 | 640 | 4 | 30 | 1" |
| 10.0 | 0.9-2.82 | |||||||||
| LY-22WPM | 22/30 | 8 | 1.1-3.7 | 1" | 63 | 1400*900*1270 | 640 | 5 | 30 | 1" |
| 10.0 | 0.97-3.21 | |||||||||
| LY-30WPM | 30/40 | 8 | 1.55-5.2 | 1%4" | 66 | 1400*950*1380 1500*1080*1300 | 760 | 7 | 40 | 14" |
| 10.0 | 1.255-4.43 | |||||||||
| LY-37WPM | 37/50 | 8 | 1.91-6.50 | 1/4" | 66 | 1580*1000*1475 1500*1080*1300 | 880 | 9 | 40 | 1/4" |
| 10.0 | 1.60-5.33 | |||||||||
| LY-45WPM | 45/60 | 8 | 2.50-8.30 | 2" | 68 | 2050*1360*1688 1800*1360*1670 | 1050 | 10 | 90 | 2" |
| 10.0 | 1.91-6.30 | |||||||||
| LY-55WPM | 55/75 | 8 | 3.0-10.3 | 2" | 69 | 2050*1360*1688 1800*1360*1670 | 1100 | 12 | 100 | 2" |
| 10.0 | 2.60-8.55 | |||||||||
| LY-75WPM | 75/100 | 8 | 3.95-13.00 | 2" | 72 | 2050*1360*1688 1800*1360*1670 | 1230 | 18 | 100 | 2" |
| 10.0 | 3.40-11.50 | |||||||||
| LY-90WPM | 90/120 | 8 | 5.0-16.60 | 2" | 73 | 2200*1550*1800 | 2080 | 20 | 120 | 2%" |
| 10.0 | 4.30-14.66 | |||||||||
| LY-110WPM | 110/150 | 8 | 6.0-20.2 | 2" | 75 | 2200*1550*1800 | 2230 | 24 | 120 | 2%" |
| 10.0 | 5.0-16.66 | |||||||||
| LY-132WPM | 132/180 | 8 | 6.75-23.52 | 2" | 75 | 2200*1550*1800 | 2360 | 30 | 120 | 2%2" |
| 10.0 | 6.0-19.97 | |||||||||
| LY-160WPM | 160/220 | 8 | 8.5-28.11 | 3" | 77 | 2700*1830*1850 | 3900 | 35 | 160 | DN80 |
| 10.0 | 7.6-25.45 | |||||||||
| LY-185WPM | 185/250 | 8 | 10-31.32 | 3" | 77 | 2700*1830*1850 | 4050 | 38 | 160 | DN80 |
| 10.0 | 8.72-29.00 | |||||||||
| LY-200WPM | 200/270 | 8 | 11.2-36.75 | 4" | 78 | 2700*1830*1850 | 4200 | 42 | 200 | DN100 |
| 10.0 | 9.68-31.8 | |||||||||
| LY-220WPM | 220/300 | 8 | 12.2-39.6 | 4" | 79 | 2700*1830*1850 | 4400 | 47 | 200 | DN100 |
| 10.0 | 11.2-35.7 | |||||||||
| LY-250WPM | 250/340 | 8 | 13.5-45.0 | 4" | 79 | 2700*1830*1850 | 4800 | 53 | 200 | DN100 |
| 10.0 | 12.3-40.0 | |||||||||
| What makes your EcoSilent Water-Lubricated Compressor better than dry oil-free models? Our compressor uses water-lubricated technology instead of dry friction, which reduces wear on components and improves energy efficiency. It also delivers more stable oil-free air (meeting ISO 8573-1 Class 0) and requires less maintenance than dry models, lowering long-term costs. | What warranty do you offer for this compressor? We provide a two-year warranty for the entire compressor, covering defects in materials and workmanship. Additionally, we offer technical support tailored to your operational needs, ensuring the equipment runs smoothly throughout its service life. |
| Can the compressor be customized for specific industry needs? Yes. We offer customization options, including adjustments to air pressure, flow rate, and control systems, to meet the unique requirements of industries like pharmaceuticals (higher sterility) or electronics (higher air purity). | How do you ensure the water used in the system is safe and effective? The integrated triple water treatment system (softening, filtration, sterilization) removes impurities and microorganisms. Combined with online water quality monitoring, this ensures the water remains clean and effective for lubrication and sealing at all times. |
| Is the compressor easy to install and integrate into existing production lines? Yes. The compressor features a compact design and flexible installation options, allowing it to fit into most existing production layouts. Our team provides installation guidance and can assist with integrating the compressor into your existing air supply system. |
