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Rothie
06/24/2002, 08:26 PM
Jon-
I really enjoyed your DIY article in Reefkeeping Mag. I was questioning the figure for the ID size of SCH 80 1/2" PVC.The chart shows it to be 0.526, but shouldn't it be less than .5? All the other SCH 80 sizes are slightly smaller than SCH 40 sizes except this one.

Schedule 40 Schedule 80
Size ID OD ID OD

1/2" 1/2" 0.840" 0.526" 0.840"

TIA-I'm looking forward to next months article.