Radiator venting speeds

michael_15

Is there published/known data that compares the relative venting speeds (at some given low pressure) for different radiator vents? For example, I know that the Gorton 4/5/6/C/D are 1x/4x/8x/15x/27x with respect to each other, but how does this compare, for example, to the settings (1-6) on a Hoffman #1A? What about the adjustable Ventrite models that I've so often seen on radiators (I believe the dial goes from 1-8 or something)?

What about main vents for, say, Gorton vs. Hoffman?

-Michael

Steamhead

There's a chart

in the workbook to Dan's "Dead Men's Steam School" video, which also contains charts showing the air volumes in pipes and radiators. This is available on the Books and More page of this site.

One of our steam enthusiasts has set up a lab and is working on updating the vent chart. Stay tuned.......

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