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  1. mech9188

    Fire damper

    I have new project in that my client want to replaced all fusible link fire damper to motorised fire damper.
  2. mech9188

    sand trap louvers calculation

    For normal operation condition the sand trap louvers should be selected for a maximum free area velocity of 600 feet per minute (FPM). Example: Given: Airflow: 2658 CFM Assumed free area velocity: 600 FPM Calculate for free area, neck size and pressure drop. 1. Free Area = 2658 CFM / 600 FPM =...
  3. mech9188

    Fire damper

    Thanks @ dbill74. Will wait for your response.
  4. mech9188

    Fire damper

    Hi all, i am preparing technical spec for motorized fire damper for HVAC system. If anyone have technical datasheet for the same, please send me.i required it for my reference.

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