exhaust fan for greenhouse

exhaust fan shutter:high-quality galvanized steel sheet, ensuring the shutter open and close automatically, and can reach the purpose of dust-proof, water-proof.Motor: high-efficiency, energy-saving, with Protection grade IP55 and insulation class:FBelt: automatic tensioner is adopted to prevent the belt loosing and frop off.Balance-running machine keeps the balance of entire fan and ensuring operation-steady,low-noise and long-service life.Modelblade diameter(mm)rotate speed(r/m)motor speed(r/m)air volumetotal pressurenoiseDBpowervoltageourter size(mm)HYF-9007506301400280006565370w380900,900,400HYF-10009006101400300007070750w3801000,1000,400HYF-110010006001400325007070750w3801100,1100,400HYF-122011004601400380007370750w3801220,1220,400HYF-1380125043914004400056701100w3801380,1380,400HYF-1530140032514005580060701500w3801530,1530,400