Water Environment Federation (WEF) Discussion Forums / Biological Nutrient Removal / WEF Discussion Forums / any body knows the equation of how to calcualte the hp of a pump if the flow and TDH are known? / Latest PostsWater Environment Federation (WEF) Discussion ForumsWater Environment Federation (WEF) Discussion Forumshttp://www.wef.org/TechnicalDiscussions/jfuller@wef.orgTue, 14 Oct 2008 12:27:17 GMT20RE: any body knows the equation of how to calcualte the hp of a pump if the flow and TDH are known?http://www.wef.org/TechnicalDiscussions/Topic7480-9-1.aspxThp = gpm X TDH / 3960</P><P>Thp / pump Eff. X motor Eff= Bhp (actual needed)Fri, 16 Nov 2007 12:30:47 GMTrwhitworth52any body knows the equation of how to calcualte the hp of a pump if the flow and TDH are known?http://www.wef.org/TechnicalDiscussions/Topic7480-9-1.aspx<TABLE cellSpacing=0 cellPadding=0 width="100%"><TBODY><TR><TD class=smalltxt vAlign=top>any body knows the equation of how to calcualte the hp of a pump if the flow and TDH are known? <P>I need to have hp to calculate the operation cost for a WTP.</P><P>Thanks. </P></TD></TR></TBODY></TABLE>Fri, 16 Nov 2007 09:31:58 GMTahawater