# Calculate Pipe Size?

Engineers calculate pipe size depending on a series of variables. These engineers need to consider what the material the pipe is made from whether liquids or gases will flow through the pipe. They even need to take the viscosity of any liquids into consideration. Pipes designed to carry natural gas are different from pipes designed to carry oil. The flow rate of whatever material will be carried through the pipe is another necessary consideration. For example, water pipes must be designed to withstand the pressure from the water sent through them.
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Q&A Related to "Calculate Pipe Size?"
 1. Wrap a piece of string around the outside of the pipe. For the most accurate measurement, press the string up against a fixture on the pipe or the very edge of the pipe. 2. Mark http://www.ehow.com/how_7402330_calculate-pipe-siz...
 1. Measure the inside diameter of the pipe. This measurement is from the inside wall, across the diameter of the pipe, to the other side of the wall's interior. For pipe under 14 http://www.ehow.com/how_10064500_calculate-black-p...
 1. Determine the desired volumetric flow rate of the pipe. Put another way, figure out how much water you want coming out the pipe's end. A good way to gauge this figure is to examine http://www.ehow.com/how_7671612_calculate-equivale...
 1. Determine the air velocity you want to achieve. This is the speed at which air flows through the pipe. Determine this amount from the air flow requirements or specifications of http://www.ehow.com/how_8030391_calculate-pipe-siz...
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