Thanks for the responses.
Thank you LittleInch I used a method similar to the one you suggested. For the purposes of the project they only required an approximation so modelling was not required.
Hi guys,
I need to spec a pump to provide the correct pressures / flow rates for multiple fire hoses and sprays. The sprays need 500kPa and 23 m3/hr of flow constantly. However if a valve was opened upstream of the sprays to operate a hose (through a reducing tee piece) how would I work out...