Choke Valve Sizing Software - SizeFlo 2.0

Choke Valve Sizing Software - SizeFlo 2.0

Accessible from any device with a current browser and an internet connection,, is a comprehensive choke valve and actuator sizing solution. This newly updated version of SizeFlo requires no desktop installation, making it easier for your to use. The calculations performed by are based on the ISA S75.01 specifications for control valve sizing, with calculations that include: 

  • Master Flo choke valve sizing and coefficient of valve capacity (Cv)
  • Pressure drops across the specified valve size at various flow conditions
  • Flow rates based on valve size, Cv and pressures
  • Sizing for Master Flo pneumatic piston, hydraulic piston, and rotary stepping actuators. can be run for multiple flow conditions simultaneously by creating and copying cases. All control parameters can be input in a variety of units, and calculation results are summarized in a report that can be saved and printed. Users can create multiple valves, organize them within projects and folders, create and save custom fluids, and share valve calculations with other users, all from their dedicated site profile. All information will be stored in a secure cloud location, allowing access to the user from a browser window anywhere in the world. The site includes live chat support and is regularly updated to include the most up-to-date details of Master Flo equipment and links directly to data sheets and valve Cv graphs. 

SizeFlo Resize

SizeFlo App

The SizeFlo app lets you calculate choke valve capacity, flow rate, pressure drop and more. The new SizeFlo 2.0 version will not be supported on the app, however, the original version is still available to use.
Install it from: