It is generally recommended to install dielectric unions/couplings when connecting two dissimilar metals (steel pipe to copper pipe).
I was told that Brass Nipple generally does the same thing as a commercially available dielectric union, is this true?
My application is to tie in a 2" copper...
To all who responded:
Thanks to all your responses! The pumps are now operating as per design and we found out the suction bell of the vertical turbine pumps were stuck with debris and tree roots. After we cleaned the wet well, everything was back to normal!
Thanks Guys for replying so quickly, here are my response to the various questions:
How many pumps are running at any one time? One at the moment which is producing 44 L/s @ 160 PSI.
Does the overloading pump run at the reduced capacity in overload condition? No. We tested each pump...
I have a project where we pump river water directly into a storage reservoir. Static Head (water elevation between reservoir and river) is 110m. The pump info is as follows:
Type of Pump: Open Lineshaft Vertical Turbine Pump
Rated Flow: 70 L/s
Rated TDH: 123m
Pump Efficiency @ Rated Flow: 82%...
