Engineering ToolBox - Resources, Tools and Basic Information for Engineering and Design of Technical Applications!

Compressed Air Pipes - Fittings and Pressure Loss

Fittings in compressed air pipe lines and equivalent length pressure drop.

Pressure drop in compressed air pipe line fittings can be expressed as equivalent length in meters of  pipe line.

Compressed Air Pipes - Fittings and Equivalent Pipe Length Pressure Loss - SI Units

Fitting
Equivalent Pipe Length (m)
Nominal Pipe Size (mm)
1520253240506580100125
90o bend 0.15 0.2 0.25 0.35 0.5 0.6 0.8 1.0 1.2 1.5
90o elbow 0.25 0.4 0.5 0.65 0.8 1.0 1.4 1.8 2.4 3.2
Tee - run 0.2 0.3 0.4 0.5 0.7 0.85 1.1 1.3 1.6 2.0
Tee - side outlet 0.5 0.7 1.4 1.8 2.4 2.7 3.6 4.6 5.7 7.0

Example - Compressed Air Pipe Line and Equivalent Length

A 90o bend equals to a 0.6 m50 mm pipe line.

Compressed Air Pipes - Fittings and Equivalent Pipe Length Pressure Loss - Imperial Units

Fitting
Equivalent Pipe Length (ft)
Nominal Pipe Size (inches)
1/2"3/4"1"1 1/4"1 1/2"2"2 1/2"3"4"5"
90o bend 0.5 0.7 0.8 1.2 1.7 2 2.6 3.3 4 5
90o elbow 0.8 1.3 1.7 2.1 2.6 3.3 4.6 5.9 7.9 10.6
Tee - run 0.7 1 1.3 1.7 2.3 2.8 4.4 4.3 5.3 6.6
Tee - side outlet 1.7 2.3 4.6 5.9 7.9 8.9 11.9 15.1 18.8 23.1

Related Topics

• Gases and Compressed Air

Properties of air, LNG, LPG and other common gases. Pipeline capacities and sizing of relief valves.

Related Documents

• Compressed Air - Friction Loss in Hoses

Friction loss in air hoses vs. operating pressure.
• Compressed Air - Pipe Line Pressure Drop Diagram

Calculate pressure drop in compressed air pipe lines with a nomograph diagram.
• Compressed Air - Size of Pipe vs. Capacity

Air pipe lines capacities at pressure 100 psi (6.9 bar).
• Compressed Air Pipe Line Capacity

Capacities of compressed air pipelines - pressure ranging 5 - 250 psi (0.5 - 17 bar).

Search

Search is the most efficient way to navigate the Engineering ToolBox.

Engineering ToolBox - SketchUp Extension - Online 3D modeling!

Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your Sketchup model with the Engineering ToolBox - SketchUp Extension - enabled for use with older versions of the amazing SketchUp Make and the newer "up to date" SketchUp Pro . Add the Engineering ToolBox extension to your SketchUp Make/Pro from the Extension Warehouse !

We don't collect information from our users. More about

We use a third-party to provide monetization technologies for our site. You can review their privacy and cookie policy here.

You can change your privacy settings by clicking the following button: .

Citation

• The Engineering ToolBox (2008). Compressed Air Pipes - Fittings and Pressure Loss. [online] Available at: https://www.engineeringtoolbox.com/compressed-air-pressure-drop-fittings-d_1279.html [Accessed Day Month Year].

Modify the access date according your visit.

4.10.13

.