I would like to ask whether stainless steel pipes can be used for the inlet of dilute sulfuric acid pumps
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I would like to ask whether stainless steel pipes can be used for the inlet of dilute sulfuric acid pumps; the pH value is above 2, and I feel this might not be appropriate. I would appreciate some advice
Can’t we just use PVC pipes? Why do we have to use expensive metal pipes?
It is likely to get corroded soon; it is not recommended for use
Using 316L pipes should be no problem; I have used them in acidic solutions containing dilute nitric acid and dilute sulfuric acid at 60 degrees Celsius, and there was virtually no corrosion!
Whether from the perspective of equipment maintenance or equipment costs, it is not recommended to use stainless steel pipes in this case. Since your pump should be made of plastic, why connect it to a stainless steel pipe?
904L stainless steel pipes should work fine; it’s best to use fluoropolymer-lined pipes, as they are safe and reliable
Austenitic stainless steel suffers minimal corrosion at low temperatures, so it can indeed be used. However, if stainless steel isn’t absolutely necessary, options such as PPR or fluoroplastic pipes could be considered, as they require less investment and cause fewer concerns.
It’s better to use fluoropolymer-lined pipes; relatively speaking, their price isn’t higher than that of stainless steel pipes!
It is recommended to use \"steel-reinforced polyethylene plastic composite pipes\"; for reference: http://bbs.hcbbs.com/thread-672907-1-1.html. If you have any questions, please send an email to: tqg317@163.com
Steel-reinforced polyethylene plastic composite pipes are inexpensive; they are much cheaper than those lined with PTFE or stainless steel. Their corrosion resistance is not inferior to that of the latter two materials, and they can withstand temperatures up to 80°C.