Low Pressure Gas Pipe Sizing

Apartments gas pipe service lines

With more than one consumer supplied from a service pipe a diversity in consumption as indicated below can be expected:

Gas pipes - capacity and number of apartments - diagram

 

Nominal Size of Gas Pipe (inches)
No. of ApartmentsLength of Service Pipe (feet)
20405060708090100110
4 2 2 2 2 2 2 2 2 2
8 2 2 2 2 2 2 2 2 2
10 2 2 2 2 2 2 2 2 2
12 2 2 2 2 2 2 2 2 2.5
14 2 2 2 2 2 2.5 2.5 2.5 2.5
16 2 2 2 2.5 2.5 2.5 2.5 2.5 2.5
20 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5
24 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 3
30 2.5 2.5 2.5 2.5 3 3 3 3
40 2.5 2.5 3 3 3 3 3 3 4
48 3 3 3 3 3 4 4 4 4
Nominal Size of Gas Pipe (inches)
No. of ApartmentsLength of Service Pipe (feet)
120130140150160170180190200
4 2 2 2 2 2 2 2 2 2
8 2 2 2 2 2 2 2 2 2
10 2 2 2 2.5 2.5 2.5 2.5 2.5 2.5
12 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5
14 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5
16 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5 2.5
20 2.5 2.5 2.5 3 3 3 3 3 3
24 3 3 3 3 3 3 3 3 3
30 3 3 3 3 3 3 3 3 3
40 4 4 4 4 4 4 4 4 4
48 4 4 4 4 4 4 4 4 4
  • 1 ft (foot) = 0.3048 m

The table is based on schedule 40 steel pipe and can be used for a low pressure services lines with pressure head 6 inH2O and gas with 0.6 specific gravity and pressure drop 0.3 inH2O.

Related Topics

Related Documents

Tag Search

Search the Engineering ToolBox

- "the most efficient way to navigate!"

Engineering ToolBox - SketchUp Extension - Online 3D modeling!

3D Engineering ToolBox Extension to SketchUp - add parametric components to your SketchUp model

Add standard and customized parametric components - like flange beams, lumbers, piping, stairs and more - to your SketchUp model with the Engineering ToolBox - SketchUp Extension/Plugin - enabled for use with the amazing, fun and free SketchUp Make and SketchUp Pro . Add the Engineering ToolBox extension to your SketchUp from the Sketchup Extension Warehouse!

Translate the Engineering ToolBox!
About the Engineering ToolBox!

close