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A screw blower is a highly efficient and reliable workhorse for industrial compressed air and gas systems. Its specific power rating makes it ideal for medium to large-scale operations requiring a continuous and robust air supply.
Technical parameters
| Model | Power （kW） | Pressure（bar/kPa） | Volume flow（m³/min） | Pipe Diameter | Weight（kg） | Dimension (mm) |
| RK125BPM | 90 | 0.4/40 | 98.0 | DN300 | 2550 | 3300×1750×2350 |
| 0.6/60 | 78.0 | DN250 | 2200 | 3100×1500×2150 | ||
| 0.8/80 | 68.0 | |||||
| 1.0/100 | 61.0 | |||||
| 1.2/120 | 50.0 | DN200 | 1850 | 2700×1400×1900 | ||
| 1.5/150 | 42.0 | |||||
| 1.8/180 | 34.0 | |||||
| 2.0/200 | 30.5 | |||||
| RK150BPM | 110 | 0.4/40 | 113.0 | DN300 | 2600 | 3300×1750×2350 |
| 0.6/60 | 92.0 | |||||
| 0.8/80 | 78.0 | |||||
| 1.0/100 | 67.5 | DN250 | 2250 | 3100×1500×2150 | ||
| 1.2/120 | 60.0 | |||||
| 1.5/150 | 49.0 | |||||
| 1.8/180 | 41.5 | |||||
| 2.0/200 | 37.5 |
High-Efficiency Asymmetric Screw Profile: The core of the blower is a set of precision-machined, helical screws (rotors). The advanced profile minimizes internal leakage and maximizes volumetric efficiency, delivering more air per unit of energy consumed.
Robust 110kW Industrial Motor: This powerful electric motor is designed for continuous duty (24/7 operation), providing the necessary drive for demanding industrial environments with high reliability.
Integrated Gear Drive System: Most 110kW models use a direct gear drive to synchronize the counter-rotating screws. This ensures perfect timing, high mechanical efficiency, and eliminates rotor contact, reducing wear.
Intelligent Control System: Equipped with a sophisticated controller (often a PLC or VSD), it allows for:
Variable Speed Drive (VSD) Option: Automatically adjusts the motor speed to match air demand, yielding significant energy savings during partial-load conditions.
Precise Pressure Regulation: Maintains consistent discharge pressure regardless of fluctuations in air demand.
Comprehensive Monitoring: Continuously tracks critical parameters like pressure, temperature, motor load, and operating hours, providing alerts for maintenance.
Advanced Cooling System: A large, efficient cooling system (air or water-cooled) is essential to manage the heat generated at this power level, ensuring optimal operating temperatures and long component life.
Sound-Enclosed Canopy: The 110kW unit is typically housed in a robust, sound-dampening enclosure, significantly reducing noise levels in the workplace for improved safety and comfort.
Superior Energy Efficiency: The combination of the efficient screw element, a high-efficiency (IE4/IE5) motor, and especially a Variable Speed Drive, can lead to massive energy savings compared to less efficient technologies like lobe-type blowers, often providing a rapid Return on Investment (ROI).
Exceptional Reliability and 24/7 Durability: Designed for continuous operation with minimal downtime. The robust construction and non-contact compression principle make it one of the most dependable blower types available.
Low Lifecycle Cost (LCC): While the initial investment may be higher than some alternatives, the dramatically lower energy costs, reduced maintenance needs, and high reliability result in a much lower total cost of ownership over the blower's lifespan.
Low Maintenance Requirements: Maintenance primarily involves routine oil, air filter, and oil filter changes. The absence of wearing parts like pistons or vanes, and the non-contact rotors, lead to longer service intervals and lower spare parts costs.
Quiet and Vibration-Free Operation: The balanced, continuous compression process generates very little vibration, reducing stress on the foundation and piping. The acoustic enclosure ensures a quieter working environment.
Stable Performance Under Load: Capable of maintaining a constant air flow and pressure even under varying demand, which is critical for process consistency in many industrial applications.
Wastewater Treatment:
Aeration Tanks: Provides the essential oxygen for the biological bacteria that break down organic matter in the water. This is one of the most common and energy-intensive applications.
Manufacturing & Pneumatic Conveying:
Pneumatic Conveying: Moves powders, pellets, and granular materials (like cement, flour, plastic resins) through pipelines using air.
Plant Air Power: Drives pneumatic tools, machinery, cylinders, and automation systems on production lines.
Packaging: Used in operations like bottle blowing, film blowing, and carton erecting.
Food & Beverage Processing:
Fermentation Aeration: Supplies oxygen in fermentation processes for beer, yogurt, and other dairy products.
Food Packaging (Modified Atmosphere Packaging - MAP): Flushes air out of food packages and replaces it with a preservative gas mixture to extend shelf life.
Power Generation & Cement Production:
Combustion Air: Supplies air for fluidized bed boilers and other combustion processes.
Material Handling: Transfers fly ash, cement, and other dry bulk materials.
Mining & Minerals:
Flotation Cells: Provides air bubbles for the mineral separation process in froth flotation.
Ventilation: Supports general mine ventilation systems.
Chemical & Pharmaceutical:
Process Air: Used as a clean, oil-free source of air for chemical reactions, fluidizing beds in reactors, and drying products.
Instrument Air: Powers sensitive control instruments and valves.
A screw blower is a highly efficient and reliable workhorse for industrial compressed air and gas systems. Its specific power rating makes it ideal for medium to large-scale operations requiring a continuous and robust air supply.
Technical parameters
| Model | Power （kW） | Pressure（bar/kPa） | Volume flow（m³/min） | Pipe Diameter | Weight（kg） | Dimension (mm) |
| RK125BPM | 90 | 0.4/40 | 98.0 | DN300 | 2550 | 3300×1750×2350 |
| 0.6/60 | 78.0 | DN250 | 2200 | 3100×1500×2150 | ||
| 0.8/80 | 68.0 | |||||
| 1.0/100 | 61.0 | |||||
| 1.2/120 | 50.0 | DN200 | 1850 | 2700×1400×1900 | ||
| 1.5/150 | 42.0 | |||||
| 1.8/180 | 34.0 | |||||
| 2.0/200 | 30.5 | |||||
| RK150BPM | 110 | 0.4/40 | 113.0 | DN300 | 2600 | 3300×1750×2350 |
| 0.6/60 | 92.0 | |||||
| 0.8/80 | 78.0 | |||||
| 1.0/100 | 67.5 | DN250 | 2250 | 3100×1500×2150 | ||
| 1.2/120 | 60.0 | |||||
| 1.5/150 | 49.0 | |||||
| 1.8/180 | 41.5 | |||||
| 2.0/200 | 37.5 |
High-Efficiency Asymmetric Screw Profile: The core of the blower is a set of precision-machined, helical screws (rotors). The advanced profile minimizes internal leakage and maximizes volumetric efficiency, delivering more air per unit of energy consumed.
Robust 110kW Industrial Motor: This powerful electric motor is designed for continuous duty (24/7 operation), providing the necessary drive for demanding industrial environments with high reliability.
Integrated Gear Drive System: Most 110kW models use a direct gear drive to synchronize the counter-rotating screws. This ensures perfect timing, high mechanical efficiency, and eliminates rotor contact, reducing wear.
Intelligent Control System: Equipped with a sophisticated controller (often a PLC or VSD), it allows for:
Variable Speed Drive (VSD) Option: Automatically adjusts the motor speed to match air demand, yielding significant energy savings during partial-load conditions.
Precise Pressure Regulation: Maintains consistent discharge pressure regardless of fluctuations in air demand.
Comprehensive Monitoring: Continuously tracks critical parameters like pressure, temperature, motor load, and operating hours, providing alerts for maintenance.
Advanced Cooling System: A large, efficient cooling system (air or water-cooled) is essential to manage the heat generated at this power level, ensuring optimal operating temperatures and long component life.
Sound-Enclosed Canopy: The 110kW unit is typically housed in a robust, sound-dampening enclosure, significantly reducing noise levels in the workplace for improved safety and comfort.
Superior Energy Efficiency: The combination of the efficient screw element, a high-efficiency (IE4/IE5) motor, and especially a Variable Speed Drive, can lead to massive energy savings compared to less efficient technologies like lobe-type blowers, often providing a rapid Return on Investment (ROI).
Exceptional Reliability and 24/7 Durability: Designed for continuous operation with minimal downtime. The robust construction and non-contact compression principle make it one of the most dependable blower types available.
Low Lifecycle Cost (LCC): While the initial investment may be higher than some alternatives, the dramatically lower energy costs, reduced maintenance needs, and high reliability result in a much lower total cost of ownership over the blower's lifespan.
Low Maintenance Requirements: Maintenance primarily involves routine oil, air filter, and oil filter changes. The absence of wearing parts like pistons or vanes, and the non-contact rotors, lead to longer service intervals and lower spare parts costs.
Quiet and Vibration-Free Operation: The balanced, continuous compression process generates very little vibration, reducing stress on the foundation and piping. The acoustic enclosure ensures a quieter working environment.
Stable Performance Under Load: Capable of maintaining a constant air flow and pressure even under varying demand, which is critical for process consistency in many industrial applications.
Wastewater Treatment:
Aeration Tanks: Provides the essential oxygen for the biological bacteria that break down organic matter in the water. This is one of the most common and energy-intensive applications.
Manufacturing & Pneumatic Conveying:
Pneumatic Conveying: Moves powders, pellets, and granular materials (like cement, flour, plastic resins) through pipelines using air.
Plant Air Power: Drives pneumatic tools, machinery, cylinders, and automation systems on production lines.
Packaging: Used in operations like bottle blowing, film blowing, and carton erecting.
Food & Beverage Processing:
Fermentation Aeration: Supplies oxygen in fermentation processes for beer, yogurt, and other dairy products.
Food Packaging (Modified Atmosphere Packaging - MAP): Flushes air out of food packages and replaces it with a preservative gas mixture to extend shelf life.
Power Generation & Cement Production:
Combustion Air: Supplies air for fluidized bed boilers and other combustion processes.
Material Handling: Transfers fly ash, cement, and other dry bulk materials.
Mining & Minerals:
Flotation Cells: Provides air bubbles for the mineral separation process in froth flotation.
Ventilation: Supports general mine ventilation systems.
Chemical & Pharmaceutical:
Process Air: Used as a clean, oil-free source of air for chemical reactions, fluidizing beds in reactors, and drying products.
Instrument Air: Powers sensitive control instruments and valves.
