Hydraulic Losses Through a Pipe

AI Thread Summary
To estimate pressure loss from a tap to equipment, the existing pressure on the 12" ductile line and friction losses in various pipe sizes have been calculated. The main concern is the pressure loss through the 90-degree turn at the tap, particularly with the current 1" tap. If the loss is excessive, a new 2" tap may be necessary to ensure adequate flow. Resources for calculating minor losses in fittings and valves can provide guidance on estimating these losses. Accurate calculations are essential for determining the most efficient setup for the service line.
cbennett3
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TL;DR Summary
To help better understand the minor losses through a tap on ductile iron pipe.
I am trying to estimate the pressure loss from a tap to a piece of equipment we are feeding water to. I have the pressure on the 12" ductile line. I have the friction losses in the different pipe sizes (1",1.5", and 2") for the service line. I also have the losses through the 1" meter. The only thing I lack is the actual losses through that 90 deg. turn at the tap on the 12" main. We already have a 1" tap and want to use it then up size to a 2" service line and feed the piece of equipment. But if there is too much loss through that 1" tap we may have to make a new 2" tap. How can I estimate the losses through that 1" vs a 2" tap.
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