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  1. Engineerator

    PE coated steel pipe- What type of method is this?

    Hi, I have got this pipe sample and can not figure out on which method or process was used for coating it with HDPE? I went through the 3LPE processes explained in the web and it doesn't seems to be the same process used with this pipe! the HDPE coating in the picture is like casted not...
  2. Engineerator

    Material grade (Stainless steel) distinguishing problem!

    We are having corrosion problem with some bolts that are supposed to be stainless steel(A2), when we sent a sample to a chemical analyses agent , we have got a chemical composition report differ from BS EN ISO for grade A2(Austenitic). Now, when some elements(C, Cr,Ni, etc..) abundance are...
  3. Engineerator

    Why we use higher pressure than the normal operating pressure in..

    Hello Any body knows why we use a higher pressure than the normal in Hydrotests in water pipelines? and is it just ok to make the test in the normal operation pressure? thank you
  4. Engineerator

    Why U-PVC pipes are not recommended for distributing potable water?

    Hello! I heard that U-PVC pipes are banned materials in some municipalitys over the worldAre there any health risks associated with U-pvc?What are the pipe matirials we should not use for potable water distribution in small networks?
  5. Engineerator

    Why U-PVC pipes are not recommended for distributing potable water?

    Hello! I heard that U-PVC pipes are banned materials in some municipalitys over the world Are there any health risks associated with U-pvc? What are the pipe matirials we should not use for potable water distribution in small networks?
  6. Engineerator

    Pipe sizeing problem

    Hello... I am struggling with calculating the pipe size diameter for real life problem, suppose I want to supply water to a premises from munsipality main line and the data I have: Water demand= 90 cubic meter/day Avilable pressure at tie-in = 1 bar Distance from tie-in point to the premises...

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