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What is the difference between ID fan and FD fan?
The difference between ID fan and FD fan ID fan is basically mentioned here for Induced draft fan and ID fan is always located between dust collector and chimney. ID fan will take the hot flue gases from furnace via dust collector (dust separation system... 查看详情
How to Confirm the Centrifugal Fan Outlet Angle?
How to Confirm the Centrifugal Fan Outlet Angle? Fan rotation is determined by looking at the fan from the drive end. For centrifugal fans, discharge is the direction the fan outlet points. Specification of the rotation and discharge when ordering a housed centrifugal fan is required so... 查看详情
Selection Guide for Fan Blowers
Centrifugal blowers or fans, are among the most efficient and versatile pieces of air moving equipment. The scroll housing in a centrifugal fan accelerates the air and changes the direction of the airflow twice, a full 90 degree, before leaving the housing. Centrifugal blowers... 查看详情
Belt Drive vs Direct Drive
Direct Drive is more typical on smaller blowers and generally offers lower cost, fewer components to assemble, greater efficiency (no drive losses), reduced maintenance (no separate bearings or belts) and greater reliability. Belt Drive offers greater flexibility in matching airflow requirements when equipped with a variable pitch... 查看详情