Pipeline analysis of PPH, PVC stainless steel 304 and stainless steel 316?
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Can PPH withstand nitric acid? As for PVC, it seems that PVC is not easy to repair welding. What about stainless steel 304 and 316? Is PPH more expensive or stainless steel pipe? Another question, if the head of the centrifugal pump is 30m, which is probably 30bar, does the outlet pipe require PN30?
Is PPH resistant to nitric acid or not to use PVC? If you are transporting nitric acid, it is recommended to use PPH. It is not a problem below 80 degrees. 304 and 316 cannot withstand dilute nitric acid, because stainless steel surfaces are generally pickled with dilute nitric acid. The head of the centrifugal pump is 30 meters, so the outlet pressure is 3bar. When using PPH pipes, PN10 is usually enough, and 10kg is generally used. Some PPH pipes are marked PN10 on the surface of the pipe, which means the pressure is 10 kilograms, and some are marked PN1.0, which means the pressure is 1.0MPa, which is also 10 kilograms.