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Originally Posted by Blackeagle
Les,
Could you please add to your graph the pump pH uses & the MD20Z (60hz) as well? Thanks.
pH, I looked for your pumps flow/head rate figures in your methods link, but didn't see them.
May I suggest adding that info for those interested.
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iwaki curves at 50hz and 60hz can be found here (page 6 of 8) if you wanted to DIY it....
http://www.iwakipumps.jp/products_e/...f/md_w2003.pdf