Normally 40 m3/h flow you ...
Published by Liang Qiao, Chief Process Specialist at ZJ High New Pty Ltd
Normally 40 m3/h flow you should select approx.. 100 mm ND pipe. The internal diameter depends on the material and class of the pipe you selected. For example, PVC pipe class 12, will have velocity of 1.37 m/s; if select a HDPE pipe will be 110 mm ND and for class 16, will have velocity 1.79 m/s.; if select steel pipe, if it is steel pipe with class 4, the velocity will be 1.35 m/s.