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Does anybody know the edr of this Radiator?

The Steam Whisperer
The Steam Whisperer Member Posts: 1,247
in Strictly Steam
We have an apartment full of them. They are all 3 inches deep, but come in 17, 20 and 23 inch heights. WE are orificing this system of about 225 rads and need to know the edrs for sizing the orifices and checking the heating balance with the surrounding units.
Thanks!
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Comments

  • mattmia2
    mattmia2 Member Posts: 10,702
    i feel there is a picture missing here.
  • Steamhead
    Steamhead Member Posts: 17,312
    @The Steam Whisperer - let's see some pics!
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
  • The Steam Whisperer
    The Steam Whisperer Member Posts: 1,247
    Go with that feeling.......
    To learn more about this professional, click here to visit their ad in Find A Contractor.
  • Steamhead
    Steamhead Member Posts: 17,312
    Cast-iron, or steel with fin-tube inside?
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
  • The Steam Whisperer
    The Steam Whisperer Member Posts: 1,247
    IIRC its steel, you can see a dent about in the middle. No sure about the fin tube. I can probably go back and check


    thanks,
    To learn more about this professional, click here to visit their ad in Find A Contractor.
  • Steamhead
    Steamhead Member Posts: 17,312
    "E.D.R.", page 243.
    All Steamed Up, Inc.
    Towson, MD, USA
    Steam, Vapor & Hot-Water Heating Specialists
    Oil & Gas Burner Service
    Consulting
    Intplm.STEVEusaPAvaporvac
  • The Steam Whisperer
    The Steam Whisperer Member Posts: 1,247
    Sure enough, Didn't see those.... thanks!
    To learn more about this professional, click here to visit their ad in Find A Contractor.
  • Dave in QCA
    Dave in QCA Member Posts: 1,788
    Those are a very nice convector! They were available with front outlets like you have and also top outlets. The installation I am familiar with was on hot water, 1954 construction.
    Dave in Quad Cities, America
    Weil-McLain 680 with Riello 2-stage burner, December 2012. Firing rate=375MBH Low, 690MBH Hi.
    System = Early Dunham 2-pipe Vacuo-Vapor (inlet and outlet both at bottom of radiators) Traps are Dunham #2 rebuilt w. Barnes-Jones Cage Units, Dunham-Bush 1E, Mepco 1E, and Armstrong TS-2. All valves haveTunstall orifices sized at 8 oz.
    Current connected load EDR= 1,259 sq ft, Original system EDR = 2,100 sq ft Vaporstat, 13 oz cutout, 4 oz cutin - Temp. control Tekmar 279.
    http://grandviewdavenport.com

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