The introduction of air blower,ventilation fan,,Centrifugal fan. Air blower outer cover and impeller adopt coorosion-resistant performance strong FRP material,air blower all part by antiseptic to punish,can send corrosively gas,such as acid,alkali,etc.Air blower is with high efficiency,the wind pressure is great,the noise is low,can send with the gas of the long distance pipeline.can manufacture the steel air blower as requested. No.Air flow capacity (m3/h)Air pressure (Pa)Power (KW)2.8A2450-1330588-9511.53.2A3640-991196-12451.12.23.6A5408-1470274-16181.134A7420-2010333-20001.15.54.5A10580-2860420-25301.17.55A14720-3977549-31772.2156A12720-4250343-11371.546C19600-3780226-27261.118.56D12720-4250343-11371.548C34800-7040284-31192.2308D27990-8150392-2020318.510C50150-13910294-234433710D58200-20800637-31587.55512C77500-19280275-271737512D96500-35000922-157918.537 The parameter table of S4-72 centrifugal ventilator