Y5-47 Boiler centrifugal induced draft fan Description features: Y5-47 High-effective and low noise boiler centrifugal induced draft fan. Y5-47boiler centrifugal induced draft fan with low noise, simple structure, flexible wind volume and direction adjusting is applied to industrial boiler using coal fuel with dust removal devices. Gas temperature 250.Rotating ways: C and D type with water-cooled bearing and wind volume adjusting-door.