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Looking for difference of venting capacity between a Gorton G6A and Hoffman #40a

tim smith
tim smith Member Posts: 2,460
Ratings helpful please. Called Gorton and their guy who has any info is out and nothing on website except for 8 times the capacity of standard vent. Whatever that means.
Thanks for any input
Tim

Comments

  • mattmia2
    mattmia2 Member Posts: 5,525
    There is some info at the end of this document:
    https://heatinghelp.com/assets/documents/Balancing-Steam-Systems-Using-a-Vent-Capacity-Chart-1.pdf

    Not sure what the A suffix is.
  • tim smith
    tim smith Member Posts: 2,460
    thanks Matt
  • ethicalpaul
    ethicalpaul Member Posts: 3,739
    edited May 18
    It's just a #6, same as a MoM #6, bigger than a #5, smaller than a "C". The "A" seems to just stand for "angle" (the vent is perpendicular to the direction of the mounting like most radiator vents).

    I personally believe trying to balance radiators with math is a mostly useless endeavor. Start with #4's downstairs, and #5's upstairs and let comfort be your guide after that
    1 pipe Peerless 63-03L in Cedar Grove, NJ, coal > oil > NG
  • SteamingatMohawk
    SteamingatMohawk Member Posts: 740
    The math turns to magic when you have to consider the actual environment in each room, heated and unheated adjacent spaces (including above and below), facing north or south, prevailing winds, shade and probably a few more.

    @ethicalpaul has a decent starting point, but after that it's tweaking the mix. As he said, it's not measuring the exact temperature, it's comfort.

    Most inexpensive thermometers are not accurate. The handheld infrared thermometers are typically within 4F at room temperature.