... .pressure:100Pa-50,000Pa Ventilator,centrifugal ventilatorIntroduction of centrifugal ventilator,centrifugal fan,fan,ventilator, blower,air blower,exhaust ... heat intersity is steady,performance of electric and soundproof is best,corrosion resistant,resist magnetism. It is the best ventilator ... material at present.The FRP anticentripetal centrifugal ventilator is made after absorbing the technology of ...