Without feed water analysis ...
Published by Rajesh Garg, Garg Aqua Tech - MD
Without feed water analysis report, we can just give you a basic idea / layout - Make & model of components depends upon your water chemistry.
1) Membrane 4040 - 2#
2) Feed water pump - 1hp
3) HP pump - 10-12kg @ ??? flow rate
4) Dozing pump 4/7 lph - dozing qnty depends upon feed water chemistry.
5) FRP vessel - 1248 - 2#
6) MPV filtration 20NB - 2#