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  1. newsunxu

    What is the pressure change in this wash nozzle?

    I have one question about the many wash nozzles. The pump has 20 GPM @ 1000 PSI , the pipe size is 1" and connect 20 nozzles. So the 1/4" nozzle may be 1GPM @ 1000 PSI. But the nozzle standard show the 1GPM is about 10 PSI. and 1000psi need 10 GPM. Can anyone know how to calculate the nozzle...