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Dongfang SRI Engineering Co., Ltd

U250/4Z01A Induced Draft Fan Spindle

 

Description of  U250/4Z01A Induced Draft Fan Spindle

The  U250/4Z01A  spindle is a core transmission component in industrial induced draft fans, responsible for transmitting power, supporting impeller rotation, and ensuring stable system operation. As a key component in the fan structure, the spindle’s design precision, material strength, and manufacturing process directly determine the fan’s operational efficiency, service life, and safety reliability.

The  U250/4Z01A  spindle is made of high-strength alloy steel, precision forged and heat-treated to ensure excellent mechanical properties and fatigue resistance. The spindle surface is finely machined and hardened to improve wear and corrosion resistance, maintaining good dimensional stability and dynamic balance under high-speed rotation and complex loads. Additionally, the connection areas between the spindle and components like the impeller and bearings are optimized to ensure efficient power transmission and precise installation, reducing vibration and noise, and extending the overall service life of the fan.

 

Application of U250/4Z01A Induced Draft Fan Spindle

The U250/4Z01A  spindle is widely used in boiler induced draft fan systems in industries such as power generation, metallurgy, and chemical processing, undertaking critical tasks like high-temperature flue gas exhaust and furnace negative pressure maintenance. Its excellent mechanical performance and structural reliability effectively improve the operational efficiency of induced draft fans and reduce system energy consumption.

 U250/4Z01A Induced Draft Fan Spindle

 

Find more spare parts for Induced Draft Fans

Hydraulic Cylinder Connection Components

SAF24.2-18-2-336/100

Induced Draft Fan Slider Clamp

SAF27-17-2-14.53

Reed

SAF26-17-2

Blade Bolts

DYL1615-40

Rotating Oil Seal For Axial Flow Blower With Moving Blade

674X1H

Rod Seal

PS7500-μ6X6

Clearance Bushing

4GA141816

Cooling Fan

GFD590/126-710

Spacer

TY520114

Bearing Spacer Bushings

FAF26.6-15-1

Lock Nut

KMLM68*2

 

HKZX-2025-10-10-A