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  1. EnergyRat

    Bottom Connected Multiplexed Fuel Tanks

    Thanks everyone for your replies. Greglocock: Why do you say that the tanks should equalize? They way they are piped, they do not communicate. I would think that for the tanks to equalize, the pipe friction from all pickups to the fuel pump would have to be identical. What are the chances...
  2. EnergyRat

    Bottom Connected Multiplexed Fuel Tanks

    Hi Guys: I hope this is the correct forum for this question, here goes... I have 'inherited' a design from a colleague for a fuel system consisting of four 250 gallon fuel oil tanks feeding one 250 kVA emergency diesel generator in a commercial office building. I responded to a complaint that...
  3. EnergyRat

    Plate & Frame Heat Exchanger Leaking...

    Hi there: I always avoided plate and frames for steam service, after seeing one leaking steam. However, I have since been told that they work very well in an application such as yours. However, you have to very careful not to overtorque the bolts holding the plates together. In a liquid to...
  4. EnergyRat

    Determining Boiler Capacity from Heating Surface Area

    Hi There: I was once told that there is an equivalence between boiler capacity (steaming rate) and the heat exchange surface area. Does anyone know the relationship? I am talking about an older (1972 vintage) D-style watertube steam boiler with a design pressure of 250 psig. The nameplate...

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