Roots blowers are used in numerous industries and industrial processes, including pneumatic conveying. Roots blowers play a vital role in many manufacturing and processing systems. Roots blowers are technically known as "positive displacement rotary blowers" and are commonly referred to as "blowers". What does a Roots blower do? Roots blowers are used to produce a constant airflow that is independent of the exhaust pressure conditions. The application of Roots blowers is limited to low and medium pressure and vacuum processes, and can be used to provide small to large airflow rates. How does a Roots blower work? Roots blowers consist of two identical and symmetrical rotors with two or three meshing blades in a sealed housing. The housing is valveless, and the air inlet and exhaust ports are usually located on opposite sides. The rotors rotate in opposite directions and are synchronized using a set of gears. The air is displaced from the inlet to the outlet by the movement of the meshing blades on the counter-rotating rotors. The airflow rate produced by the displacement is mainly determined by the rotational speed of the rotors within the Roots blower. There is no change in the amount of air within the Roots blower, so no air compression occurs. Roots blowers are typically air-cooled, and some models do not require oil as a lubricant (oil-free).
Experience the ultimate in cooling efficiency with WELLSUNFAN AC Cooling Fans. Engineered for superior performance, the AC cooling fans deliver powerful airflow while maintaining whisper-quiet operation. Perfect for both home and industrial applications, WELLSUNFAN AC Cooling Fans are designed to keep the environment cool and comfortable, even under the most demanding conditions. With energy-saving technology and durable construction, our AC cooling fans offer long-lasting reliability you can count on. Choose WELLSUNFAN for innovative cooling solutions that blend performance, efficiency, and peace of mind. Stay cool, stay efficient with WELLSUNFAN. The input AC voltages include: 100V, 110V, 115V, 120V, 220V, 230V, 240V, 380V. Types of AC Cooling Fan China for Sale AC08025 Cooling Fan AC08038 Cooling Fan AC09225 Cooling Fan AC09238 Cooling Fan AC12025 Cooling Fan AC12038 Cooling Fan AC13538 Cooling Fan AC15050 Cooling Fan AC17251 Cooling Fan AC20060 Cooling Fan AC Cooling Fan Working Principle AC Cooling Fans work based on the principle of electromagnetic induction by inputting alternating current to generate a rotating magnetic field that drives the motor to rotate, which in turn drives the fan blades to rotate, generating airflow to help dissipate heat from the equipment. This type of motor usually adopts the axial flow design with large air volume and air pressure, which can effectively discharge hot air out of the equipment and reduce the operating temperature of the equipment. Advantages of AC Cooling Fans Simple structure: AC cooling fans have a simple structure, so they are relatively cheaper and easy to maintain. Wide range of applications: AC cooling fans can usually provide higher power and can be used in occasions that require greater cooling capacity. The AC cooling fans can also work under a variety of power supply conditions, so they are widely used in homes and industrial environments. AC Cooling Fans have a long service life and stable performance, and are relatively quiet and will do not produce too much noise interference, making them suitable for use in environments that require quietness. As an ac cooler fan factory, we can provide kinds of related products for sale, and the ac cooling fan price is affordable. If you want to buy ac fan, please contact us.
Features of 120x120x25mm DC Brushless Fan Size: 120x120x25mm (4.7x4.7x1.0inch) Frame: Plastic UL94V0 Impeller: Plastic UL94V0 Lead Wire: UL1007AWG#24 or Equivalent (+) Red, (-) Black Bearings: C=Ball Bearing&S=Sleeve Bearing Life Expectancy: 70,000 Hours at 20â??-Ball. 30,000 Hours at 20â??-Sleeve. Temperature Range: Temperature Range. Operating Temperature: -10*C~70'C (Non-condensing) Storage Temperature: -40'C~70'C (Non-condensing) Approvals: UL, CUL, TUV, CE, RoHS DC FAN Specials: RD,FG, IP56, PWM Rated Voltage: 12V/24V/48V Noise: 50.80~59.10dBA Rated Current: 0.25~1.80A Rated Input Power: 12.00~48.80W Speed: 4000~5500RPM Air Flow: 127.41~179.03CFM Weight: 164.0g Mounting: Free Standing Specs of 120x120x25mm DC Centrifugal Fan Model Bearing System Rated Voltage Operating Voltage Current Input Power Rated Speed Air Flow Air Pressure Noise Weight Part No. S C VDC VDC A Watt R.P.M CFM inch-H20 mm-H20 dBA g FD12025#12E â?? â?? 12 7.0~13.8 0.8 9.6 3500 102.78 0.32 8.13 50.7 140 FD12025#12H â?? â?? 12 7.0~13.8 0.5 6 3000 88.72 0.24 6.1 46.6 140 FD12025#12M â?? â?? 12 7.0~13.8 0.4 4.8 2500 73.85 0.17 4.32 41.7 140 FD12025#12L â?? â?? 12 7.0~13.8 0.2 2.4 2000 59.08 0.11 2.79 36 140 FD12025#24E â?? â?? 24 14~27.6 0.5 12 3500 102.78 0.32 8.13 50.7 140 FD12025#24H â?? â?? 24 14~27.6 0.4 9.6 3000 88.72 0.24 6.1 46.6 140 FD12025#24M â?? â?? 24 14~27.6 0.25 6 2500 73.85 0.17 4.32 41.7 140 FD12025#24L â?? â?? 24 14~27.6 0.15 3.6 2000 59.08 0.11 2.79 36 140 FD12025#48E â?? â?? 48 28.0~56.0 0.4 19.2 3500 102.78 0.32 8.13 50.7 140 FD12025#48H â?? â?? 48 28.0~56.0 0.3 14.4 3000 88.72 0.24 6.1 46.6 140 FD12025#48M â?? â?? 48 28.0~56.0 0.2 9.6 2500 73.85 0.17 4.32 41.7 140 FD12025#48L â?? â?? 48 28.0~56.0 0.1 4.8 2000 59.08 0.11 2.79 36 140 All models could be customized on voltage or any other requirements to fit your need. Now the price of 12v centrifugal fan and 24v centrifugal fan is reasonable, anything you need, please contact us. As a cooling fan factory, we will do our best to meet all the needs of customers.
After-sales Service Provided Free spare parts Warranty 1 Year Timing Function No Noise
Product Name: ADC brushless fan Fan Type: axial cooling fan Size: 80*80*25MM Color: black, customized Bearing Type: ball/sleeve/hydraulic bearing Noise: 22dBA~32.3dBA Speed: 2000~3000RPM Voltage: 12v/24v/customized Material: PBT, plastic Support: OEM,ODM Certification: UL,CE,RoSH
PDU PRODUCT FEATURES ·Output AC 220V 16 channels 16A ·Provide RS485 bus ·Environmental monitoring: temperature and humidity, and threshold alarm ·The main circuit and branch circuits can be set for upper limit measurement and over-limit alarm ·Industrial-grade OLED display, current, voltage, power, energy, and switching status of the main circuit and branches ·Internal real-time clock, power-off time retention ·The whole machine has high reliability and strong anti-interference ability. ·Use high pressure resistant and flame retardant materials ·180-265V wide voltage input, providing lightning and surge protection ·Support local viewing of voltage, total current, and alarm status; ·Support monitoring and viewing the voltage, current, and alarm status of each jack; ·Supports controlling the on/off of each output jack; ·Support customization of socket standards in most countries in the world; ·Output status indication ·Operating temperature -20-55c ·Operating humidity 10% 90% (non-condensing state) ·Working power supply: 85V ~ 264AC/DC; ·Accuracy level: Level 1; ·Measuring range: 0.5A~63A, 100~300V AC/DC; ·Current resolution: 0.01A ·Alarm function: current overcurrent alarm, the overcurrent alarm value can be set through the menu or communication ·The communication adopts MODBUS RTU protocol. The data format of one frame is: 1 start bit + 8 data bits + 1 stop bit. The baud rate is 9600 bit/S. ·OLED indicates the current status of each socket and equipment operation indication ·Digital tube displays time and power parameter values ·PDU total current 32A, maximum 16A per channel
MODEL 77750 (High Speed) (Low Speed) Capacity 2.0m 3 / min 1.6m 3 / min Watts Input (full Load) 750 Watts 450 Watts No Load Speed 400 kmph 315 kmph Approx Net Weight 3.6 kg. 3.6 kg. 2 speed high powered industrial portable blower Double insulated
Capacity 1.5m 3 / min Watts Input (full Load) 350 Watts No Load Speed 308 kmph Approx Net Weight 4.6 kg. High application in foundries Al-die cast body
Insulation Double Insulated Air Volume 3.8m3/min Rated Voltage 235V AC Watts Input (full Load) 600 W No Load Speed 6000-16000 r.p.m. Full Load Current 2.55A Approx Net Weight 1.8 kg. Dual function with blowing and suction applications Powerful 600 W motor Air flow of 3.8m3min for superior cleaning performance Variable speed control with 6 step speed settings provides Extra versatility in different applications Ergonomic handle Light Weight
MODEL RB500 PRO High Power Blower Insulation Double Insulated Air Volume 3.8m3/min Rated Voltage 235V AC Watts Input (full Load) 600 Watts No Load Speed 16000 r.p.m. Full Load Current 2.55A Approx Net Weight 1.6 kg. Dual Function with blowing and suction applications Powerful 600 W motor Air Flow of 3.8m3/min for superior cleaning performance Ergonomic handle Light Weight
MODEL RB 500 Capacity 3.8m 3 / min Watts Input (full Load) 600 Watts No Load Speed 6000 - 16000 r.p.m. Approx Net Weight 1.8 kg. Variable speed Light weight Portable Double insulated
We've been designing and manufacturing air blower for 17 years since 2007. Located in Shandong, China, We supply 3 lobes roots blower/vacuum pump, air bearing turbo blower and also rotary vane type blower etc., applying in wastewater treatment, cement factory etc., providing air for the aeration of water. What we can offer: 1, High precision. Equipped with HMC and CNC machine, all the critical components of the blower are produced quickly and accurately under ISO9001 standard. 2, Stock. Regular models are stocked and customized orders only needs 5-7 days to finish. During 3 years covid, we try our best to cut down production time to help our client get quick capital turnover. 3, Less repair. Every set will be under a run-test at least 12 hours under max pressure. It is EVERY SET, not sampling check. Avoiding any sudden situation may happen when clients receive the blower.
3 Lobes roots type air blower for wastewater treatment
Rotary Air Blower Product Description The Rotary Air Blower utilizes an involute profile integral shaft ductile iron impeller design. The head plate, gear cover, end caps and rigid one-piece housing are made of gray cast iron. Carburized and ground alloy steel timing gear tapers are mounted on the shaft and secured with locknuts. Cylindrical roller bearings are used on the drive end and ball bearings on the gear end. The characteristics and advantages of rotary blowers 1. Small size, large air volume, low noise, and low energy consumption (the rotary blower adopts the principle of operating compressed air, although small in size, it has high air volume, energy saving, and operates quietly) 2. The operation is smooth and the installation is very convenient (for small models, as long as they are placed properly, the vibration is minimal and there is no need to install anti vibration devices, making the installation very convenient). 3. Resistance to load changes and stable air volume (for example, if the pressure of the sewage treatment aeration tank changes, the load changes, but the air volume also changes very little with the pressure change). 4. Equipped with an air chamber for smooth air dissipation (all models are equipped with an air chamber to prevent air pulsation and ensure smooth air dissipation). 5. The material is excellent, the structure is clever, and the performance is excellent (all blowers are made of high-quality materials, the structure is exquisite, sturdy and durable, and the performance is excellent, with few faults occurring during long-term use). 6. Simple maintenance, few malfunctions, and long service life (low speed, low wear, and long service life).
Centrifugal Air Blower Centrifugal Air Blower For Sale Centrifugal air blowers adopt three core high-end technologies: "ultra high-speed direct connection motor", "air suspension bearing", and "high-precision single-stage centrifugal impeller", creating a new era of high efficiency, high performance, low noise, and low energy consumption fans. It is a new generation of high-tech civilian products developed with great dedication based on the design experience of aviation turbomachinery. Features 1. Energy saving and high efficiency The air suspension centrifugal blower uses air bearings, direct connection technology, a high-efficiency impeller, a permanent magnet brushless DC motor, and no additional friction. The fan automatically adjusts the consumption of motor power based on the output (adjustable range of air volume 40-100%) to maintain the high efficiency of equipment operation. 2. No vibration, low noise Adopting air bearings and direct connection technology, there is no vibration generated, and the fan does not need to be equipped with sound insulation devices; The equipment is lightweight and does not require a special foundation. The installation and layout are simple and flexible. 3. No lubricating oil The fan adopts air-bearing technology, and the system does not require a lubricating oil system, providing clean air to special industries such as electronics, medicine, and food. The operating temperature of the air bearing has reached 600 degrees, and all the drawbacks of the oil-based bearing system have been successfully resolved. 4. No maintenance Without the necessary gearbox and oil bearings for traditional fans, our series of high-tech impellers and motors are directly connected without couplings. The intelligent control system and key components use AL7075 (aviation aluminum). These technologies ensure that the equipment is maintenance-free, reduce maintenance costs for users, and improve the stability of the gas supply system operation. 5. Convenient operation control Self-checking and constant pressure operation, load/no load operation, overload control, and unmanned operation can be achieved on a personal computer for fan speed, pressure, temperature, flow rate, etc. The fan adjusts the flow rate by adjusting the speed of the impeller. Adjusting the speed can easily adjust the flow rate based on the temperature and pressure changes of the inhaled air. It can automatically and manually adjust the flow rate. 6. Small device installation space The air suspension centrifugal blower equipment is lightweight, small in size, easy to install, and can significantly save users on building and auxiliary electrical control system investment.
Roots Blower For Sale The Roots blower is a volumetric fan, with impeller end face and front and rear end covers of the fan. The principle is to use two blade shaped rotors to move relative in the cylinder to compress and transport gas in a rotary compressor. This type of blower has a simple structure and is easy to manufacture. It is widely used in aquaculture oxygenation, sewage treatment aeration, cement conveying, and is more suitable for gas conveying and pressurization systems in low pressure situations. It can also be used as a vacuum pump, etc. Type of Roots Blowers for Sale Roots Vacuum Pump Roots vacuum pumps have been applied in petroleum, chemical, plastic, pesticide, turbine rotor dynamic balance, aerospace space simulation and other devices, so they should be vigorously promoted and applied in China. It is also widely used in industries such as petroleum, chemical, metallurgy, and textiles. Rotary Air Blower Small size, large air volume, low noise, and low energy consumption (the rotary blower adopts the principle of operating compressed air, although small in size, it has large air volume, energy saving, and silent operation that other forms of fans cannot compare with.). Smooth operation and convenient installation (for small models, as long as they are properly placed, the vibration is minimal and there is no need to install anti vibration devices, making installation convenient). Resistance to load changes and stable air volume (for example, if the pressure of the sewage treatment aeration tank changes, the load changes, but the air volume changes very little with the pressure change). Equipped with an air chamber for smooth air dissipation (all models are equipped with an air chamber to prevent air pulsation and ensure smooth air dissipation). The material is excellent, the structure is clever, and the performance is stable (all blowers are made of high-quality materials, the structure is exquisite, sturdy and durable, the performance is stable, and there are few long-term failures). Simple maintenance, few faults, and long service life (low speed, low wear, and long service life).
Direct centrifugal fans are a line of industrial fans that have many useful applications today. Widely used for industrial parks, factories, workshops or high-rise buildings, shopping malls... areas with large areas. Model: SCD-BNo Capacity: 0.75kW-30kW Voltage: 220V-380V Flow: 1500m3/h-60000m3/h Pressure: 200Pa-1300Pa
High pressure centrifugal fan drives indirectly Model: SCIK-CNo Capacity: 20kW-250kW Voltage: 220V-380V Flow: 9000m3/h-60000m3/ h Pressure: 3000Pa-16000Pa
Model: SCI-HNo Capacity: 5.5 kW - 3500 kW Voltage: 380V Flow: 6000m3/h - 400000m3/h Pressure: 2700Pa - 5600Pa
Indirect centrifugal fans are centrifugal fans whose motor structure is indirectly attached to the impeller through a belt or hard joint. Indirect centrifugal fans have all the same functions and roles as other centrifugal fans . That is the movement of air and gases entering at a certain angle compared to the direction of the incoming fluid. Product name: Indirect centrifugal fan Model: SCI-TNo Capacity: 0.2 kW - 300 kW Voltage: 380V Flow: 2000m3/h - 55000m3/h Pressure: 300Pa - 13000Pa
