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Compressed Air Pipe Lines - Online Pressure Drop Calculator

Calculate pressure drops in compressed air pipe lines - online calculator and spreadsheet - metric and imperial units

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The pressure drop in compressed air lines can be calculated by using the formula

dp = 7.57 q1.85 L 104 / d5 p         (1)

where

dp = pressure drop (kg/cm2)

q = air volume flow (m3/min)

L = length of pipe (m)

d = inside diameter of pipe (mm)

p = initial pressure (kg/cm2)

Online Compressed Air Pipeline Pressure Drop Calculator - Metric Units

The calculator below can used to calculate the pressure drop in compressed air pipelines.

q - air volume flow (m3/min)

L - pipe length (m)

d - inside diameter pipe (mm)

p - initial pressure (kg/cm2)

Online Compressed Air Pipeline Pressure Drop Calculator - Imperial Units

The calculator below can used to calculate the pressure drop in compressed air pipelines.

q - air volume flow (cfm)

L - pipe length (feet)

d - inside diameter pipe (inches)

p - initial pressure (psi)

Compressed Air Pipeline Pressure Drop Spreadsheet

Calculations can be done for other pressures and/or pipe lengths by using this excel spreadsheet.

Compressed Air Pipeline Pressure Drop Table - Initial Pressure 7 kg/cm2 (100 psig)

Pressure drops in 100 m (330 ft) compressed air  schedule 40 steel pipe lines are indicated in the tables below:

compressed air pipeline pressure drop table

compressed air pipeline pressure drop table

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Related Topics

  • Gas and Compressed Air - Gas properties, capacities of pipelines, sizing of relief valves - air, LNG, LPG and more

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