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Product Definition
160kW Oil-Free Screw Blower – Energy Saving 32%, ISO Class 0 Certified, Industrial Aeration Blower
Our 160kW oil-free screw blower is designed for medium-to-large scale industrial aeration and pneumatic conveying applications. Featuring third-generation twin-screw rotor profiles and ultra-precision machining, it delivers up to 32% energy savings compared to traditional rotary lobe blowers. It is ISO 8573-1 Class 0 certified, guaranteeing 100% oil-free compressed air – providing the highest level of air purity for your critical processes.
Zero risk of oil contamination in the compression chamber – no oil is used for lubrication, sealing, or cooling-
Certified to ISO 8573-1 Class 0, guaranteeing 100% pure, oil-free air for your most critical applications-
Eliminates the need for oil filters, separators, and oil disposal systems – significantly reducing maintenance complexity and cost-
Internal compression technology delivers up to 35% greater energy efficiency compared to traditional rotary lobe (Roots-type) blowers-
Advanced Variable Speed Drive (VSD) option matches air output precisely to system demand, saving up to 40% energy compared to fixed-speed alternatives-
Lower Specific Energy Requirement (SER) means reduced operating costs and lower total cost of ownership-
Patented muffler design and precision-engineered rotors ensure quiet operation, reducing noise pollution in indoor and noise-sensitive environments-
Low pulsation and reduced vibration extend equipment life and improve workplace comfort-
Built for 24/7 continuous duty with highly durable components that minimize downtime-
Integrated design with built-in oil tank, gearbox, oil pump, and oil filter ensures compact structure and excellent performance-
Extended maintenance intervals – up to 16,000 operating hours between oil changes on select models-
Provides continuous, stable airflow with minimal pulsation – critical for processes requiring consistent pressure-
Pressure range typically from 0.3 to 1.2 bar, delivering precisely the pressure your process requires-
Highly integrated construction saves valuable floor space-
Available as ready-to-use packaged units with all components factory-assembled and tested
Wastewater Treatment: Biological aeration, flotation, fluidization – reliable, energy-efficient air supply for 24/7 operations.
Food & Beverage: Pneumatic conveying, drying, packaging, fermentation – 100% oil-free air ensures product safety and compliance.
Pharmaceutical: Clean air for production, conveying, and processing – ISO 8573-1 Class 0 certified for the highest purity standards.
Pneumatic Conveying: Bulk material handling (cement, plastics, powders, PET resin) – stable pressure prevents pipe blockages and product contamination.
Chemical & Petrochemical: Process air, aeration, oxidation – oil-free air prevents catalyst poisoning and product contamination.
Electronics Manufacturing: Clean, dry air for sensitive production environments – zero oil contamination risk protects delicate components.
Aquaculture: Pond and tank aeration – oil-free air ensures clean respiration for aquatic life.
Cement & Bulk Handling: Material fluidization and conveying – reliable performance in demanding environments.
Fermentation & Bio-Processing: Sterile air supply for bacterial cultures and bio-reactors.
Textile Manufacturing: Air-jet weaving, yarn processing – clean, stable air improves product quality.
Customer Value Summary
Save Money – Annual electricity + maintenance savings ≈ $25,000–30,000
Save Worry – Oil-free design eliminates the risk of oil contamination fines or unplanned shutdowns
Save Effort – Smart monitoring enables near-unattended operation
Optional Add-on Services
Available with pre-inlet air filters and after-cooler dryers for a complete air treatment solution.
On-site energy audit reports can be provided to demonstrate actual savings.
FAQ
A: An oil-free screw blower uses internal compression – air is compressed inside the rotor chamber before being discharged. Traditional lobe blowers rely on external compression – they simply push air out, and compression happens outside the machine-. This fundamental difference makes screw blowers approximately 30% more energy-efficient than lobe blowers-.
A: No. While oil-free screw blowers do not use oil in the compression chamber, they still require regular maintenance – including oil changes for the gearbox and bearings, air filter replacements, and periodic inspections-. However, maintenance is significantly simpler and less frequent compared to oil-injected systems.
A: ISO 8573-1 is the international standard for compressed air purity. Class 0 is the highest rating, meaning the air contains no measurable oil contamination – not even trace amounts-. This certification is critical for food, pharmaceutical, and electronics applications where even microscopic oil particles can ruin products or violate safety regulations-.
A: Oil-free screw blowers typically operate in the low-pressure range of 0.3 to 1.2 bar (g)-. Some high-pressure models can reach up to 2.5 bar (g) with flow rates up to 9,300 m³/h-. They are specifically designed for low-pressure, high-volume applications.
A: On average, oil-free screw blowers are 30% to 40% more energy-efficient than traditional lobe blowers-. With Variable Speed Drive (VSD) models, additional savings of up to 40% can be achieved by matching output to actual demand-. In real-world wastewater treatment and pneumatic conveying applications, many users report total energy savings of 30-35%-.
A: A typical maintenance schedule includes:
Daily checks: Oil level, exhaust temperature, exhaust pressure, and listen for unusual noises-
First service: After 500 operating hours – replace oil filter element-
Regular intervals: Air filter replacement, gearbox oil change, and bearing inspection as specified in the user manual
Extended intervals: Some models feature oil change intervals of up to 16,000 operating hours-
A: Yes. Oil-free screw blowers are specifically engineered for continuous, 24/7 operation in demanding industrial environments-. Their robust construction and durable components ensure high reliability and minimal downtime even under constant load-.
A: Please contact our sales team for current lead times and warranty terms, as these vary by model and configuration. Standard units are typically available for shipment within 3-5 business days after order confirmation. Extended warranty options are available upon request.
A: Yes. We offer customization options including:
Variable Speed Drive (VSD) integration
Custom voltage and frequency (415V/50Hz, 460V/60Hz, etc.)
Special coatings for corrosive environments
OEM/ODM services
Silent enclosures for noise-sensitive locations
