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

Steam Flow - Orifices

Steam flow through orifices - for steam pressures ranging 2 - 300 psi

Steam flow rates can be measured by using orifice plates. The diagram below indicates steam flow rate (lbs/hr) through orifices ranging diameter 1/32" to 1/2" and 2 - 300 psig steam line pressure.

Downstream pressure equals atmospheric pressure.

Steam flow rate through orifices - diagram psi

  • 1 lb/hr = 1.26x10-4 kg/s
  • 1 psi (lb/in2) = 6,894.8 Pa (N/m2) = 6.895x10-3 N/mm2 = 6.895x10-2 bar
  • convert inch to mm

Example - Steam Flow through a 1/4" orifice discharging to the atmosphere - steam pressure 50 psi

Steam flow through orifices - example diagram psi

By drawing the lines as in the chart above - the discharged steam flow can be estimated to

aprox. 98 lb/h

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 (2008). Steam Flow - Orifices. [online] Available at: https://www.engineeringtoolbox.com/steam-flow-orifices-d_1158.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

















































4.10.13

.