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

Steam Flow Rate vs. Pressure Drop - Schedule 40 Pipe

Flow rate (lb/h) and pressure drop per 100 feet of pipe.

Steam flow rates in schedule 40 steel pipes with pressure drops ranging 1/16 to 2 psi:

For full table with higher pressure drops - rotate the screen!

Steam Flow Rate vs. Pressure Drop - Schedule 40 Pipe
Nominal pipe size (inch) Flow Rate (lb/h)
Pressure drop per 100 ft of pipe length
1/16 psi
(1 oz/in2)		1/8 psi
(2 oz/in2)		1/4 psi
(4 oz/in2)		1/2 psi
(8 oz/in2)		3/4 psi
(12 oz/in2)		1 psi2 psi
Saturated  Pressure (psig)
3.5123.5123.5123.5123.5123.5123.512
3/4 9 11 14 16 20 24 29 35 36 43 42 50 60 73
1 17 21 26 31 37 46 54 66 68 82 81 93 114 137
1 1/4 36 45 53 66 78 96 111 138 140 170 162 200 232 280
1 1/2 56 70 84 100 120 147 174 210 218 260 246 304 360 430
2 108 134 162 194 234 285 336 410 420 510 480 590 710 850
2 1/2 174 215 258 310 378 460 540 660 680 820 780 950 1150 1370
3 318 380 465 550 660 810 960 1160 1190 1430 1380 1670 1950 2400
3 1/2 462 550 670 800 990 1218 1410 1700 1740 2100 2000 2420 2950 3450
4 640 800 950 1160 1410 1690 1980 2400 2450 3000 2880 3460 4200 4900
5 1200 1430 1680 2100 2440 3000 3570 4250 4380 5250 5100 6100 7500 8600
6 1920 2300 2820 3350 3960 4850 5700 6800 7000 8600 8400 10000 11900 14200
8 3900 4800 5570 7000 8100 10000 11400 14300 14500 17700 16500 20500 24000 29500
10 7200 8800 102000 12600 15000 18200 21000 26000 26200 32000 30000 37000 42700 52000
12 11400 13700 16500 19500 23400 28400 33000 40000 41000 49500 48000 57500 67800 81000
  • 1 in = 25.4 mm
  • 1 ft = 0.3048 m
  • 1 psi = 6895  Pa = 0.069  bar

Related Topics

Related Documents

Search

Search is the most efficient way to navigate 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 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 !

Translate this Page

Translate this page to Your Own Language .

About the Engineering ToolBox!

Privacy Policy

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

This page can be cited as

  • The Engineering ToolBox (2003). Steam Flow Rate vs. Pressure Drop - Schedule 40 Pipe. [online] Available at: https://www.engineeringtoolbox.com/steam-flow-rate-pipes-d_360.html [Accessed Day Month Year].

Modify the access date according your visit.

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!

Unit Converter

















































9.26.9

.