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“Port” radiator rating help

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keith123
keith123 Member Posts: 103
in Strictly Steam
Does anyone have a ratings chart for either of these rads? Thank you in advance !! 

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  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 7,961
    edited March 2021
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    Not a fan of "Port"... I prefer Merlot.

    Regarding the top rad picture, I would use the standard chart for that
    The bottom picture will need someone else to look that up. I'm not sure if it is in the "EDR" book available in the store on this Website.

    Here is a link to the "Standard Radiator Sizing Chart" published by the Hydronics Institute (div of GAMA) formerly I=B=R.
    https://dunkirk.com/sites/default/files/Dunkirk Radiation Tables.pdf

    Yours truly,
    Mr.Ed

    Edward Young Retired

    After you make that expensive repair and you still have the same problem, What will you check next?

    keith123
  • EdTheHeaterMan
    EdTheHeaterMan Member Posts: 7,961
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    If I had to guess (because there are no other available resources) I would add about 20% to the 6 column radiator on the chart. (not the "6 tube" on the second chart but the "6 column" on the first chart) The surface area where the spaces would be, that make the columns, is filled in by flattening the metal that would have been the part of the tube "Flattened out". The added 20% would be for the extra fin located in that space. It is not "rocket surgery accurate" but what is in this industry?

    Mr Ed

    Edward Young Retired

    After you make that expensive repair and you still have the same problem, What will you check next?

    keith123
  • keith123
    keith123 Member Posts: 103
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    Thank you. I have Dan’s EDR book. Not in there. 
  • keith123
    keith123 Member Posts: 103
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    What are the ratings on these floor convectors ? 
  • Hap_Hazzard
    Hap_Hazzard Member Posts: 2,846
    edited March 2021
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    That's a McKeesport radiator. You must live near Pittsburgh. These aren't listed in the EDR book, but I would refer you to a previous post. https://forum.heatinghelp.com/discussion/159574/mckeesport-radiator-edr-btu-help

    The shorter unit looks similar to National five-tube panel radiation (see p. 157), but the sections are flat on the ends instead of pointed, and the fins are different. Similar idea, though. It might turn out to be a similar design by McKeesport. Look it over and see if you can find a foundry mark on it somewhere.
    Just another DIYer | King of Prussia, PA
    1983(?) Peerless G-561-W-S | 3" drop header, CG400-1090, VXT-24
    keith123Youngplumber
  • Steamhead
    Steamhead Member Posts: 16,876
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    Hap_Hazzard said:

    That's a McKeesport radiator. You must live near Pittsburgh. These aren't listed in the EDR book, but I would refer you to a previous post. https://forum.heatinghelp.com/discussion/159574/mckeesport-radiator-edr-btu-help

    This.

    For the shorter radiator- look at the Aetna Flue Window chart on page 57 of "E.D.R.".

    The indirect radiators ("floor convectors") will depend on what model they are.

    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
    Hap_Hazzard
  • JimP
    JimP Member Posts: 87
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    Here is a chart that shows the radiation value for flue radiators like the one you have.


    keith123
  • keith123
    keith123 Member Posts: 103
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    Thank you Jim P !! 
  • keith123
    keith123 Member Posts: 103
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    As for the indirect rads, I don’t see any names on them. I figured on hopefully just measuring them 

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