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Originally Posted by DDogg
Confusing to you guys? Imagine on this end  Still education opportunity to try to think it through - Pardon the 'stream of consciousness' below
1> Sounds crazy to measure one pump using two - Thinking - No, makes some sense as pump mfg has to provide method to client engineers to replicate data transparent to individual bench setup (fittings, tube friction, etc.)
2> Implies an absence of a valid engineering standard for replicatable flow measurement? What is the equivalent to IEEE for pump engineers? Is there not an international standard for this type of measurement? |
I'm still confused as to which is the better pump, the DDC or the D4? Acoustic properties and size aside, I can't tell which pump yields the better results. According to previously posted flow rate graphs (several pages back), with a relatively unrestrictive block like the MCW6000, the D4 is significantly better. According to the graphs posted in this ^^ pump comparison, the DDC has less head the than D4? Is that graph at all accurate? It would seem to me that the DDC would excel in a highly restrictive loop compared to the D4 according to the P/Q curve on the Swiftech website.