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water flow capacity trough 3/4 inch schedule 40 pipe
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Posted by: venturi

06/11/2004, 16:11:22

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Hello everyone

which is the flow of  water ( in gpm) trough 3/4 inch diam. schedule 40 iron pipe with a pressure of 40 lbs applied. I  dont have the velocity of water and the pressure drop is non significant.

 

Which is the formula ?

thanks for the reply








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Posted by: plumber960

07/01/2008, 18:28:09

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The max flow rate through 100ft of 3/4" iron pipe at 40PSI is 16GPM assuming the pipe is new or nearly new. The velocity should be about 9.6 to 9.7 ft/second.







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Posted by: right

01/21/2008, 18:14:59

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Hi Venturi,
have you got the answer? i am in the same situation, could you plaese explain me hoe you got it?

Rgds
Right..








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water flow capacity
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Posted by: RandyKimball

06/12/2004, 15:13:13

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It will depend on the length of pipe. There is a calculator for fluid flow on this web site.

good luck,
-randy-





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