GENERAL SPECIFICATIONSThe roof type fire / smoke exhaust fans of EMAK.Works vertical.EFF Roof Type Fans are used where smoke / fire exhaust is required.EFF Roof Type Fans are dual purpose. Can be used for smoke exhaust in case of a fire and for fresh air during standard conditions.The purpose of the EFF Roof Type Fans is to make a smoke-free escape route for people in case of a fire. After used during fire, they can not be used again.EMAK has international certificates for F200, F300 and F400 according to BS EN 12101-3.EFF Roof Type Fans can be produced between Ø400 mm – Ø1250 mm with requested diameter and variable blade angels. (For bigger diameters than Ø1250, please contact EMAK.)EMAK EFF ROOF TYPE Fans are for:
200 °C – 120 minute (F200)
300 °C – 90 minute (F300)
400 °C – 120 minute (F400)CONSTRUCTION (FAN CASING)The casing is formed from the ST37 (S235JR) (EN10025) steel sheet.The grey, RAL7038, paint finish is applied after production. (Different colors are optional.)Hot Dip Galvanization may be applied but it is optional.For CTF models, the long casing covers impeller and electric motor sections. There is a hood at the upside of the fan.The roof fan has square mounting base.IMPELLERThe hub is aluminium alloy as standard. (The hub could be made from steel but it is optional.)The aluminium impeller blade angels are adjustable.Impeller blades are made of Aluminium, Steel or Stainless Steel. (For Steel and Stainless Steel please contact EMAK.)Static and Dynamic vibration defects are recovered after production according to appropriate ISO norm.ELECTRIC MOTORS3x400 V – 50 Hz – S1 – IP55 – H Class electric motor is used as standard.Any other voltage, phase and frequency electric motors may be used but it is optional.ACCESSORIESAxial roof model EFF CTF is delivered on square mounting base with protection hood and factory wired electric terminal box, also wire guard HT, which is protects foreign materials to rich moving parts, according to European norms is standard.Beside that you can use the accessories below with EFF CTF type fan: