Answer / naresh

depends on the height of the buidling,depth of he water
coloumn for exmpl 300ft,400ft etc.....,horizontal path of
the water pipe,vertical path i.e height of the building,
after taking these one should calculate the no of satges for
ex 18,20,22 stages, 3ph r single phase power supply,voltage
230v/415v but the actual calculations no idea but these r
the constraints/the details required while selecting the
water pump motor

Answer / shri..

This is the depend upon impiller size means how mutch
impiller can deliver & how much section it can take, at
related RPM

Answer / parveen

its depends upon height of the blg. and size of the pipe

whether starting current is limited to rated current of motor through soft starting or it exceeds the rated current?

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What is your acheivements

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