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  • Users: Mehtesham
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  1. Mehtesham

    Code Requirements for Air Handling Units

    We have an Air Handling unit which we have recently converted from steam to Natural Gas by replacing the steam coils with the Indirect Fired heat exchanger. The unit is 60,000 cfm. We want to install smoke detectors in it, 2 before the heat exchanger and 1 before the fan. I just wanted to know...
  2. Mehtesham

    Minimum Temperature requirement for keeping the pipes and equipment freezing

    Hello Guys, I just need a little help. We have two big Air houses each has a capacity of 240,000 cfm, and these are serving the areas which are abandoned, they only have machinery and steam and other condensate pipes. We also have a few small air houses which are near to these two big giant...
  3. Mehtesham

    Calculation of Coil Load if you know the fan CFM?

    Hey guys, I want to calculate the steam load of the coil. I know the fan CFM and outdoor and indoor air temperatures. Should I use the formula Q=4.5*cfm*delta(h).? If yes I was wondering how would I calculate the enthalpy because I dont know the wet bulb temperature. I am confused maybe I am...
  4. Mehtesham

    How would you calculate the static pressure?

    Hello, I want to calculate the static pressure of a zone. I know the cfm the fan is delivering, I know the motor HP. I was just wondering if there is any way to calculate the static pressure in the system based on these values or do you have to use a pitot tube or a manometer to determine that...

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