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

Natural Gas - Pipe Sizing

Sizing low pressure natural gas pipe lines - Metric values

Sponsored Links

The tables and diagrams below can be used to size natural gas pipes.

Steel Pipe - Schedule 40

Capacity of Pipe (kW)
Pipe Size
(in)
Pipe Length (m)
36122450
1/2 41 28 19 13 9
3/4 86 59 40 28 19
1 161 110 76 52 35
1 1/4 331 228 155 108 72
1 1/2 495 340 235 161 108
2 956 655 450 310 210
2 1/2 1520 1045 720 495 330
3 2690 1850 1270 875 590
4 5490 3775 2595 1780 1200
5 9935 6830 4695 3225 2170
6 16090 11055 7600 5220 3510
8 33050 22715 15615 10730 7210

Natural gas pipe capacity diagram

  • pressure less than 10 kPa
  • fittings factor 1.5 - equivalent pipe length = pipe length + 50%
  • pressure drop 125 Pa
  • energy content in natural gas 37 MJ/m3
  • steel pipes schedule 40

Copper Tubing - type K

Capacity of Pipe (kW)
Nominal Pipe Size (O.D)
(in)
Pipe Length (m)
361224
1/4 (3/8) 6 4 3 2
3/8 (1/2) 13 9 6 4
1/2 (5/8) 26 18 12 8
5/8 (3/4) 46 31 21 15
3/4 (7/8) 65 45 31 21
1 (1 1/8) 140 96 66 45
1 1/4 (1 3/8) 250 170 119 82
  • pressure less than 10 kPa
  • fittings factor 1.5 - equivalent pipe length = pipe length + 50%
  • pressure drop 125 Pa
  • energy content in natural gas 37 MJ/m3
  • copper tubing type K

Copper Tubing - type L

Capacity of Pipe (kW)
Nominal Pipe Size (O.D)
(in)
Pipe Length (m)
361224
1/4 (3/8) 7 5 3 2
3/8 (1/2) 15 10 7 5
1/2 (5/8) 29 20 13 9
5/8 (3/4) 49 33 23 16
3/4 (7/8) 75 51 35 24
1 (1 1/8) 150 104 71 49
1 1/4 (1 3/8) 260 180 124 85
  • pressure less than 10 kPa
  • fittings factor 1.5 - equivalent pipe length = pipe length + 50%
  • pressure drop 125 Pa
  • energy content in natural gas 37 MJ/m3
  • copper tubing type L
Sponsored Links

Related Topics

Related Documents

Tag Search

  • en: natural gas sizing pipes
Sponsored Links

Search the Engineering ToolBox

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 - 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 Pro Sketchup Extension Warehouse!

Translate this page to
About the Engineering ToolBox!
.

close

3D Engineering ToolBox - draw and model technical applications! 2D Engineering ToolBox - create and share online diagram drawing templates! Engineering ToolBox Apps - mobile online and offline engineering applications!

Scientific Online Calculator

Scientific Calculator

1 19

Sponsored Links