We have a 300l tank solar water heater installed with an assistant tank. Please refer to link below for model of solar water heater.
http://www.ousunsolar.com/en/products.asp?pid=18
The assistant tank's purpose is for automatic filling of the 300L non-pressure tank. When the 300L tank is...
We have a centrifugal pump installed working in Negative pressure at suction side.
Rated Shaft power, P2 = 18.5Kw. Full-load current of motor = 32A. Motor has star-delta starter.
Please find the pump curve below...