It is designed to fit the equipment of 1-20t/h industries boiler and civil boiler of which equipped with the dust-removal fixture.Before installation, the fan must equip with the dust- removal fixture whose dust removing efficiency shallnot beneath 85%. The temperature of air must be below 250℃.Our company can provide the stainless steel heatboiler centrifugal blower, when the temperature of air mustexceed 250℃.