![]() To learn more about velocity averaging pitots and the unique design of the VAP³ pitot from Eastern Instruments, visit our website at easterninstruments. VAP³ Velocity Averaging Pitot in the SA (Clean Air/Gas) and the PA (Particulate Laden/Plug Resistant) The VAP³ PA Pitot from Eastern Instruments uses that same patented design that allows it to be independent of velocity yet also provides a plug resistant configuration where the high port is not in the direct impact of the air or gas stream, thus making it plug resistant. Measuring fluid velocity with a pitot tube using a u-tube manometer.Please provide feedback on this tutorial by selecting 'Like' or 'Dislike'. The typical way to combat this issue is to use a high pressure purge or blow out, but these systems can be complicated and expensive to run. The high port will plug, causing an error in the differential pressure measurement. pt total pressure p static pressure pd dynamic pressure rho density kappa isentropic coefficient R gas constant t temperatire D diameter V- velocity M- Mach number c- sound speed Q volumetric flow rate G mass flow rate. Most pitots can plug when the particulate is large or if it is heavily particulate laden. Explanation of the Static Pitot Tube calculator values. ![]() Note, however, that the static and impact pressure holes of standard pitot. A standard pitot tube may be used instead of a Type S, provided that it meets the specifications of sections 6.7 and 10.2. ![]() While velocity averaging pitots can provide a very accurate way to obtain the flow rate in a duct, they are susceptible to particulate in the air or gas stream. An identification number shall be assigned to the pitot tube this number shall be permanently marked or engraved on the body of the tube. ![]()
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