220V Dust Collector Blower Radial Centrifugal Fan Wire Fixing EC Centrifugal Fan

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Three kinds of pressure of centrifugal radial centrifugal fan.

Total pressure:

The total pressure of the ventilator was defined as the difference between the total pressure on the outlet section of the ventilator and the total pressure on the inlet section. The total pressure of the airflow at a certain point or section is equal to the sum of the dynamic pressure and the static pressure at that point or section.

Dynamic pressure:

The dynamic pressure of the ventilator is defined as the pressure characterized by the kinetic energy of the gas on the outlet section of the ventilator. Or: Dynamic pressure is the pressure required to accelerate a gas from zero velocity to a certain velocity. The dynamic pressure is proportional to the kinetic energy of the airflow.

The dynamic pressure only acts in the direction of the airflow and is always positive.

Pd = 0.5 x rho V2

Where Pd = dynamic pressure Pa

ρ = gas density kg/m3

V = speed m/s.

Static pressure:

The static pressure of the ventilator is defined as the total pressure of the ventilator minus the dynamic pressure of the ventilator. In fact, static pressure is the pressure difference between the absolute pressure at a certain point in the air flow or a certain point in the space filled with gas and the atmospheric pressure. The pressure at this point is positive when it is higher than the atmospheric pressure, and negative when it is lower than the atmospheric pressure.

The static pressure energy acts in all directions of the gas, independent of velocity, and is a measure of the potential energy in the gas.

Ps = Pt and Pd

Where Ps = static pressure Pa

Pt = Pa at full pressure

Pd = dynamic pressure Pa

Key Features

• Impeller diameter: 90~3500 mm
• Speed of mainshaft: 560~2900 rpm
• Pressure range: 3000~25425 Pa
• Flow range: 1297~8305 m3/h
• Air Temperature: 20~1000 Celsius degree

• Material: Cast Iron, Carbon Steel, Stainless Steel.

• Efficiency: 78%-90%

ZR Blower-Premier Centrifugal Fan Manufacturer

Factory Overview.

Zhirong Blower Co., Ltd., which was founded in 1985 and used to be a state - owned blower manufacturing plant affiliated to China Ministry of Machinery Industry in the past, is responsible for designing and manufacturing industrial blowers for the key projects of the Nation. Spanning 100000 square meters, our facility integrates cutting - edge production lines and advanced machinery, enabling seamless manufacturing from component design to final assembly. A team of skilled technicians and workers adheres to strict international quality standards at every production stage. Committed to innovation and sustainability, we continuously optimize processes to deliver reliable, energy - efficient solutions, solidifying our position in the global market.

Product Portfolio.
Our diverse range of centrifugal fans caters to varied industrial needs. Backward - curved fans ensure high efficiency in clean air applications, while backward - inclined models excel in noise - reduction and energy - saving tasks, ideal for high - temperature environments. Forward - curved fans withstand extreme heat, suitable for industrial heating processes, and high - pressure fans handle heavy - duty operations like particulate transport. Each product undergoes rigorous testing for air volume, pressure, and durability, guaranteeing performance excellence across HVAC, manufacturing, and chemical sectors.

Comprehensive Services.
We prioritize customer satisfaction through end - to - end support. Pre - sales, our experts analyze project requirements to recommend tailored fan models, offering detailed technical consultations. Post - purchase, our 24/7 after - sales team provides on - site installation guidance, maintenance training, and rapid troubleshooting. With a global service network, we ensure timely assistance, minimizing downtime. Our commitment to transparency, responsiveness, and long - term partnerships has earned us trust from clients worldwide.