Calculating Air Flow in 8mm Pipe at 15psi

AI Thread Summary
To calculate air flow through an 8mm pipe at 15 psi, the user seeks assistance for determining the correct blower size for a system with a main 50mm pipe and seven 8mm outlets spaced 300mm apart. The discussion highlights the need for accurate calculations, including converting static pressure of 300mmwc to CFM. Participants suggest using online calculators, but the user expresses difficulty in finding a satisfactory answer. Additional details about the system are requested to provide more precise guidance. Accurate calculations are essential for selecting the appropriate blower for the setup.
christianmark
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Hi, i need to calculate air flow true a pipe of 8mm in diameter @ 15 psi pressure, any help?

I have a main pipe of 50mm with 7 outlets of 8mm every 300mm and i need to find the air flow to buy the correct blower.
 
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Hi
Did you ever try Google?
I did and the very first hit looked like what you might want.
 
yes but i did not find a correct answer
 
Don't those calculators do what you want?
 
Hi i need to know how to calculate 300mmwc static pressure. I have to convert this 300mmwc static pressure to CFM.
 
More information needed -- please describe the system.
 

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