The issue of collecting acidic wastewater
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The acid-containing wastewater from the workshop is carried through PPH pipes to a sewage tank located outside the workshop. A PPH sleeve is embedded in the top of this tank; however, steel sleeves are not resistant to acids. The question now is how to ensure water tightness in plastic sleeves, and what material should be used to seal the gaps between the sleeves and the pipes. Since the tank is buried underground, it would be problematic if wastewater seeped out. It’s urgent – thank you!
A solution that comes to mind now is to create a PPH disc with a small hole in the center; by welding two rings around it, the sleeve won’t be blocked