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M-4512 Roots Blower
Features:
Low noise tri-lobe rotor
Noise-reduction know-how application for casing
Integral-shaft ductile iron impellors
Dual splash lubrication
Over sized cylindrical roller bearings
Hardened teeth face for precision helical timing gear, taper-lock shaft mounting
Versatile configuration
Piston ring air seals
Lip type viton oil seals
Air cooling
Automatic belt tensioner and integrated discharge silencer base frame application for the blower package.
Low noise tri-lobe rotor
Noise-reduction know-how application for casing
Integral-shaft ductile iron impellors
Dual splash lubrication
Over sized cylindrical roller bearings
Hardened teeth face for precision helical timing gear, taper-lock shaft mounting
Versatile configuration
Piston ring air seals
Lip type viton oil seals
Air cooling
Automatic belt tensioner and integrated discharge silencer base frame application for the blower package.
Product Introduction
Product Parameter
Product Application
The M-4512 Roots Blower is a heavy-duty positive displacement blower designed for continuous industrial air and gas conveying applications. Featuring a precision-engineered tri-lobe rotor, it delivers stable airflow, reliable performance, and efficient operation across a wide range of industrial processes. Suitable for wastewater treatment, petrochemical processing, cement manufacturing, power generation, metallurgy, and pneumatic conveying, the equipment is available in multiple configurations to meet different flow, pressure, and installation requirements.
Robust Mechanical Design
Heavy-Duty Construction
The equipment is manufactured with integral ductile iron rotors and shafts, providing high mechanical strength and improved structural rigidity. The one-piece housing and end plates help maintain accurate rotor alignment while reducing vibration during continuous operation. Large diameter shafts further enhance durability and operational stability under demanding working conditions.
Precision Gear Transmission
Hardened helical timing gears synchronize the rotors without direct contact, ensuring smooth operation while reducing mechanical wear. A taper-lock shaft mounting structure provides secure gear positioning and simplifies installation and maintenance.
Reliable Lubrication and Sealing
Dual Splash Lubrication
A dual splash lubrication system continuously supplies lubricant to both gears and bearings during operation. This design helps maintain stable lubrication, supports long component life, and contributes to reliable performance during extended operating periods.
Effective Sealing System
Multi-piston ring air seals separate the air chamber from the lubrication chamber, helping minimize the possibility of oil entering the airflow. Lip-type Viton oil seals and replaceable shaft sleeves further reduce lubricant leakage while protecting critical sealing surfaces from wear.
Low Noise and Stable Operation
Optimized Tri-Lobe Rotor
The precision-machined tri-lobe rotor profile helps reduce airflow pulsation, resulting in smoother airflow delivery and lower operating vibration. Combined with an optimized housing structure, the design contributes to relatively low noise levels during normal operation.
Flexible Installation
The housing supports both horizontal and vertical mounting configurations, allowing the equipment to adapt to different installation layouts. Optional accessories, including integrated silencers, automatic belt tensioners, and base frames, can be selected according to project requirements.
Performance Range
Operating Capacity
The equipment is designed to handle discharge pressures of up to 103 kPa, vacuum levels down to −51 kPa, and airflow capacities ranging from 4.4 to 102.8 m³/min. Multiple models are available, allowing users to select suitable specifications based on system pressure, flow demand, and operating conditions.
Typical Applications
Wastewater Treatment
The equipment is widely used for sewage aeration, sludge treatment, biogas conveying, and flue gas desulfurization aeration, providing stable airflow for biological treatment and environmental protection processes.
Industrial Gas Conveying
In the chemical and petrochemical industries, it can be applied to process gas transportation, reactor air supply, and gas circulation systems. Mechanical seals or dry gas seals can be selected for applications involving special gases.
Pneumatic Conveying and Industrial Air Supply
The equipment is suitable for conveying powders, granules, and other bulk materials in industries such as cement, metallurgy, power generation, food processing, and building materials. Stable airflow also supports combustion systems, oxidation processes, and other industrial air supply applications requiring continuous operation.
Vacuum Performance Data
Model | Bore | RPM | Inlet Flow Qs(m³/min ),Shaft Power La(kW)and Motor Power Po (kW) | Motor Pole | ||||||||||||||
-9.8 kPa | -19.6 kPa | -29.4 kPa | -39.2 kPa | -49 kPa | ||||||||||||||
Qs | La | Po | Qs | La | Po | Qs | La | Po | Qs | La | Po | Qs | La | Po | ||||
4506 | 80 | 2000 | 5.9 | 1.1 | 1.5 | 5.6 | 2.3 | 3 | 5.2 | 3.4 | 4 | 4.8 | 4.5 | 5.5 | 4.4 | 5.7 | 7.5 | 4 |
2400 | 7.3 | 1.4 | 2.2 | 6.9 | 2.8 | 4 | 6.5 | 4.1 | 5.5 | 6.2 | 5.5 | 7.5 | 5.8 | 6.9 | 11 | 2 | ||
2800 | 8.6 | 1.6 | 2.2 | 8.2 | 3.3 | 4 | 7.9 | 4.9 | 7.5 | 7.5 | 6.5 | 7.5 | 7.1 | 8.2 | 11 | 2 | ||
3200 | 9.9 | 1.9 | 3 | 9.6 | 3.8 | 5.5 | 9.2 | 5.7 | 7.5 | 8.9 | 7.6 | 11 | 8.5 | 9.5 | 11 | 2 | ||
3600 | 11.3 | 2.2 | 3 | 10.9 | 4.4 | 5.5 | 10.5 | 6.6 | 11 | 10.2 | 8.7 | 11 | 9.8 | 10.9 | 15 | 2 | ||
4000 | 12.6 | 2.5 | 3 | 12.2 | 5.0 | 7.5 | 11.9 | 7.5 | 11 | 11.5 | 9.9 | 15 | 11.1 | 12.4 | 15 | 2 | ||
4509 | 100 | 2000 | 9.0 | 1.7 | 2.2 | 8.4 | 3.4 | 4 | 7.9 | 5.1 | 7.5 | 7.4 | 6.8 | 11 | 6.8 | 8.5 | 11 | 4 |
2400 | 11.0 | 2.1 | 3 | 10.4 | 4.2 | 5.5 | 9.9 | 6.2 | 7.5 | 9.4 | 8.3 | 11 | 8.8 | 10.4 | 15 | 2 | ||
2800 | 13.0 | 2.5 | 3 | 12.5 | 4.9 | 7.5 | 11.9 | 7.4 | 11 | 11.4 | 9.9 | 15 | 10.8 | 12.3 | 15 | 2 | ||
3200 | 15.0 | 2.9 | 4 | 14.5 | 5.7 | 7.5 | 14.0 | 8.6 | 11 | 13.4 | 11.5 | 15 | 12.9 | 14.4 | 18.5 | 2 | ||
3600 | 17.0 | 3.3 | 4 | 16.5 | 6.6 | 11 | 16.0 | 9.9 | 15 | 15.5 | 13.2 | 18.5 | 14.9 | 16.5 | 22 | 2 | ||
4000 | 19.0 | 3.7 | 5.5 | 18.5 | 7.5 | 11 | 18.0 | 11.2 | 15 | 17.5 | 15.0 | 18.5 | 16.9 | 18.7 | 22 | 2 | ||
4512 | 150 | 2000 | 12.0 | 2.3 | 3 | 11.3 | 4.6 | 5.5 | 10.6 | 6.8 | 11 | 9.9 | 9.1 | 11 | 9.2 | 11.4 | 15 | 4 |
2400 | 14.7 | 2.8 | 4 | 14.0 | 5.5 | 7.5 | 13.3 | 8.3 | 11 | 12.6 | 11.1 | 15 | 11.9 | 13.9 | 18.5 | 2 | ||
2800 | 17.3 | 3.3 | 4 | 16.6 | 6.6 | 7.5 | 16.0 | 9.9 | 15 | 15.3 | 13.1 | 18.5 | 14.6 | 16.4 | 22 | 2 | ||
3200 | 20.0 | 3.8 | 5.5 | 19.3 | 7.6 | 11 | 18.7 | 11.5 | 15 | 18.0 | 15.3 | 18.5 | 17.2 | 19.1 | 22 | 2 | ||
3600 | 22.7 | 4.4 | 5.5 | 22.0 | 8.8 | 11 | 21.4 | 13.2 | 18.5 | 20.7 | 17.6 | 22 | 19.9 | 22.0 | 30 | 2 | ||
4000 | 25.4 | 5.0 | 7.5 | 24.7 | 10.0 | 15 | 24.0 | 15.0 | 18.5 | 23.4 | 20.0 | 30 | 22.6 | 24.9 | 30 | 2 | ||
6010 | 125 | 1500 | 13.7 | 2.8 | 4 | 12.5 | 5.6 | 7.5 | 11.5 | 8.4 | 11 | 10.4 | 11.2 | 15 | 9.2 | 14.0 | 18.5 | 4 |
1900 | 17.9 | 3.7 | 5.5 | 16.8 | 7.4 | 11 | 15.7 | 11.0 | 15 | 14.7 | 14.7 | 18.5 | 13.5 | 18.4 | 22 | 4 | ||
2300 | 22.1 | 4.7 | 5.5 | 21.0 | 9.3 | 11 | 20.0 | 14.0 | 18.5 | 18.9 | 18.7 | 22 | 17.7 | 23.3 | 30 | 2 | ||
2700 | 26.4 | 5.8 | 7.5 | 25.3 | 11.5 | 15 | 24.2 | 17.3 | 22 | 23.2 | 23.1 | 30 | 22.0 | 28.8 | 37 | 2 | ||
3000 | 29.6 | 6.7 | 11 | 28.5 | 13.4 | 18.5 | 27.4 | 20.0 | 30 | 26.3 | 26.7 | 37 | 25.1 | 33.4 | 45 | 2 | ||
6016 | 150 | 1500 | 21.0 | 4.3 | 5.5 | 19.4 | 8.5 | 11 | 17.9 | 12.8 | 15 | 16.4 | 17.0 | 22 | 14.7 | 21.3 | 30 | 4 |
1900 | 27.5 | 5.6 | 7.5 | 25.8 | 11.2 | 15 | 24.4 | 16.8 | 22 | 22.8 | 22.4 | 30 | 21.1 | 28.0 | 37 | 4 | ||
2300 | 33.9 | 7.1 | 11 | 32.3 | 14.2 | 18.5 | 30.8 | 21.3 | 30 | 29.3 | 28.3 | 37 | 27.6 | 35.4 | 45 | 2 | ||
2700 | 40.4 | 8.8 | 11 | 38.8 | 17.5 | 22 | 37.3 | 26.3 | 37 | 35.8 | 35.0 | 45 | 34.0 | 43.8 | 55 | 2 | ||
3000 | 45.2 | 10.1 | 15 | 43.6 | 20.3 | 30 | 42.1 | 30.4 | 37 | 40.6 | 40.6 | 55 | 38.9 | 50.7 | 75 | 2 | ||
8021 | 200 | 1000 | 30.5 | 6.2 | 7.5 | 27.8 | 12.4 | 18.5 | 25.4 | 18.6 | 30 | 22.8 | 24.9 | 37 | 19.9 | 31.1 | 45 | 4 |
1300 | 41.3 | 8.4 | 11 | 38.6 | 16.7 | 22 | 36.1 | 25.1 | 37 | 33.6 | 33.4 | 45 | 30.7 | 41.8 | 55 | 4 | ||
1600 | 52.1 | 10.7 | 15 | 49.4 | 21.4 | 30 | 46.9 | 32.2 | 45 | 44.3 | 42.9 | 55 | 41.5 | 53.6 | 75 | 4 | ||
1900 | 62.8 | 13.4 | 18.5 | 60.1 | 26.7 | 37 | 57.7 | 40.1 | 55 | 55.1 | 53.4 | 75 | 52.3 | 66.8 | 90 | 4 | ||
2000 | 66.4 | 14.3 | 18.5 | 63.7 | 28.6 | 37 | 61.3 | 42.9 | 55 | 58.7 | 57.2 | 75 | 55.8 | 71.5 | 90 | 4 | ||
8026 | 250 | 1000 | 38.0 | 7.7 | 11 | 34.9 | 15.3 | 18.5 | 31.9 | 23.0 | 30 | 28.9 | 30.6 | 37 | 25.5 | 38.3 | 45 | 4 |
1300 | 51.4 | 10.3 | 15 | 48.2 | 20.5 | 30 | 45.3 | 30.8 | 37 | 42.2 | 41.1 | 55 | 38.8 | 51.4 | 75 | 4 | ||
1600 | 64.7 | 13.1 | 18.5 | 61.5 | 26.3 | 37 | 58.6 | 39.4 | 55 | 55.6 | 52.5 | 75 | 52.2 | 65.7 | 90 | 4 | ||
1900 | 78.1 | 16.3 | 22 | 74.9 | 32.6 | 45 | 71.9 | 48.9 | 75 | 68.9 | 65.2 | 90 | 65.5 | 81.5 | 110 | 4 | ||
2000 | 82.5 | 17.4 | 22 | 79.3 | 34.9 | 45 | 76.4 | 52.3 | 75 | 73.4 | 69.7 | 90 | 70.0 | 87.1 | 110 | 4 | ||
8032 | 300 | 1000 | 47.2 | 9.4 | 11 | 43.4 | 18.8 | 22 | 40.0 | 28.1 | 37 | 36.4 | 37.5 | 45 | 32.4 | 46.9 | 55 | 4 |
1300 | 63.6 | 12.5 | 15 | 59.8 | 25.1 | 30 | 56.4 | 37.6 | 45 | 52.8 | 50.2 | 75 | 48.8 | 62.7 | 75 | 4 | ||
1600 | 80.0 | 16.0 | 22 | 76.2 | 32.0 | 37 | 72.8 | 48.0 | 75 | 69.2 | 63.9 | 75 | 65.2 | 79.9 | 110 | 4 | ||
1900 | 96.4 | 19.8 | 30 | 92.6 | 39.5 | 55 | 89.2 | 59.3 | 75 | 85.6 | 79.1 | 110 | 81.6 | 98.8 | 132 | 4 | ||
2000 | 101.9 | 21.1 | 30 | 98.1 | 42.2 | 55 | 94.7 | 63.3 | 75 | 91.1 | 84.4 | 110 | 87.1 | 105.5 | 132 | 4 | ||
Performance based on air at standard conditions：Inlet temperature of 20℃，Outlet pressure of 101.325 kPa.
M Roots Blower Applications
M Roots Blower is suitable for a wide range of industrial gas conveying and aeration applications. With stable airflow output, reliable performance, and a simple operating principle, it is widely used in environmental protection, chemical processing, aquaculture, food production, pharmaceuticals, power generation, metallurgy, and light industries. Different configurations can be selected according to process requirements to meet various airflow, pressure, and gas handling needs.
I. Environmental Protection and Wastewater Treatment
Wastewater Treatment Applications
M Roots Blower is commonly used in municipal wastewater treatment plants, industrial wastewater treatment facilities, and other environmental protection projects. Typical applications include sewage aeration, biogas pressurization and delivery, flue gas desulfurization aeration, and sludge treatment systems. The blower provides the airflow required for biological treatment processes and other gas conveying operations.
Stable Air Supply for Continuous Operation
Biological wastewater treatment depends on a continuous supply of oxygen to maintain microbial activity. M Roots Blower delivers stable airflow with consistent pressure, helping aeration systems operate continuously and efficiently throughout the treatment process.
Suitable for Multiple Environmental Processes
Besides wastewater aeration, the blower can also be applied in biogas transportation, oxidation air supply, and desulfurization systems. Different models can be selected according to the required airflow and pressure, making the equipment suitable for a variety of environmental engineering projects.
II. Chemical Industry and Gas Delivery
Gas Conveying in Chemical Processes
M Roots Blower is suitable for conveying various industrial gases in chemical production, including hydrogen, sulfur dioxide, nitrogen, and other process gases. It is also used in reactor air supply, gas circulation systems, and vacuum packaging equipment where stable gas delivery is required.
Reliable Sealing Performance
For applications involving flammable, explosive, or corrosive gases, the blower can be equipped with mechanical seals or dry gas seals according to process requirements. These sealing options help reduce gas leakage and improve the safety of gas transportation.
Flexible Configuration for Different Media
Different sealing structures, materials, and accessories can be selected based on the characteristics of the conveyed gas and operating conditions. This flexibility allows the blower to adapt to a wide range of chemical production processes.
III. Aquaculture and Aeration
Oxygen Supply for Aquaculture Systems
M Roots Blower is widely used in pond aeration, industrial recirculating aquaculture systems (RAS), hatcheries, and other aquatic farming facilities. It supplies compressed air to diffusers or aeration equipment to increase dissolved oxygen levels in water.
High Oxygen Transfer Efficiency
By delivering stable, high-pressure airflow to underwater diffusers, the blower helps improve oxygen transfer into the water. Adequate dissolved oxygen supports the normal growth of fish, shrimp, and other aquatic species.
Suitable for Different Aquaculture Scales
The blower can be selected according to pond size, water depth, and oxygen demand. It is suitable for both conventional aquaculture ponds and modern intensive farming systems.
IV. Food and Pharmaceutical Industries
Clean Air Supply Applications
M Roots Blower can be used in food processing and pharmaceutical manufacturing for fermentation tank aeration, food packaging air supply, and pneumatic conveying of grains, powders, and other materials. It is suitable for applications requiring clean and stable airflow.
Oil-Free Air Delivery
Oil-free models are available for processes where contamination of the conveyed medium must be avoided. These configurations provide clean compressed air for production environments with strict hygiene requirements.
Support for Hygienic Production
Appropriate configurations can be selected to meet the requirements of food and pharmaceutical production processes. Depending on the application, equipment can be provided to support compliance with standards such as FDA or GMP as part of the complete production system.
V. Power and Metallurgical Industries
Industrial Air Supply Applications
M Roots Blower is used in power generation and metallurgical industries for pulverized coal conveying, blast furnace air supply, electrostatic precipitator systems, and flue gas desulfurization oxidation processes. Stable airflow supports continuous operation of these industrial systems.
High-Temperature Gas Handling
Specially configured models are capable of handling gas media within specified temperature ranges of approximately 80°C to 150°C. Appropriate materials and structural designs help ensure reliable operation under elevated temperature conditions.
Suitable for Continuous Industrial Operation
Designed for continuous-duty service, the blower can operate for extended periods in industrial production environments where stable airflow and dependable performance are required.
VI. Light Industry and Textile Industry
Pneumatic Conveying and Vacuum Applications
In light industrial manufacturing, M Roots Blower is used as a pneumatic power source for textile machinery, plastic pellet conveying systems, printing equipment, packaging machinery, and vacuum adsorption applications. Stable airflow helps maintain consistent production processes.
Low Vibration and Low Noise
Optimized rotor machining accuracy and housing design help reduce vibration and operating noise during normal operation. These characteristics make the blower suitable for installation in manufacturing workshops and production lines.
Adaptable to Various Production Requirements
Different blower specifications can be selected according to the airflow and pressure requirements of production equipment. The blower can provide a stable pneumatic source for conveying, vacuum, and air supply applications across a variety of light industrial processes.
Summary
M Roots Blower is suitable for a broad range of industrial applications, including environmental protection, chemical processing, aquaculture, food production, pharmaceuticals, power generation, metallurgy, and light manufacturing. By selecting appropriate models, sealing methods, and material configurations, the blower can meet different process requirements for stable gas conveying, aeration, and pneumatic transportation while supporting reliable long-term operation.
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