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1930 was the year, hydronic design and products

hot_rod Member Posts: 22,483
edited July 5 in THE MAIN WALL

Found a copy of this engineers guide that talks about pumping away from the point of no pressure change.

Other clever products and design graphs. It's hard not to like a "compeller"

Also a chapter on gravity hydronic design and pipe sizing

Enter the graph on the lower left quadrant, follow the dotted line across and up through the other quadrants.

Bob "hot rod" Rohr
trainer for Caleffi NA
Living the hydronic dream