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Velocity Calculator

The Fox Velocity Calculator is a helpful tool.  This Calculator can help you determine whether a Fox Meter is right for your application.


Directions for use:

  1. Choose the pipe shape
  2. Choose standard or metric flow units
  3. Click “Submit”
  4. Enter pipe/duct size
  5. Enter maximum flow rate
  6. Click “Submit”
  7. Compare Calculator results with the table below.  If your velocity results exceed the numbers in the table or your gas type is not listed, contact a Fox Application Specialist at (831) 384-4300 or sales@foxthermalinstruments.com.

Velocity Calculator
Input
Pipe Shape
Units
 
 
Restart Velocity Calculator
 
Go to Fox Flowmeter Configurator
View Fox Products


FT1 Maximum Flow Velocity
(Minimum Full Scale Velocity - 1000 SFPM)
Gas Type
(SFPM)
(NMPS)
Air
15,000
71
Argon
15,000
71
Carbon Dioxide
15,000
71
Methane
15,000
71
Natural Gas
15,000
71
Nitrogen
15,000
71
Gas Mix (CO2/CH4/N2)
15,000
71
FT2A & FT3 Maximum Flow Velocity

Gas Type
(SFPM)
(NMPS)
Air
60,000
300
Ammonia
54,000
275
Argon
60,000
300
Carbon Dioxide
60,000
300
Carbon Monoxide
60,000
300
Digester Gas
45,000
225
Ethane
40,000
200
Helium
36,000
185
Hydrogen
15,000
71
Methane
45,000
225
Natural Gas
45,000
225
Nitrogen
60,000
300
Oxygen
60,000
300
Propane
20,000
100
Butane
20,000
100
Gaseous LPG (Propane/Butane)
20,000
100
     

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Fox Thermal Instruments, Inc. 399 Reservation Road | Marina, CA 93933 | Phone: (831) 384-4300 | Fax: (831) 384-4312 | Copyright 2005-2014

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