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  • Users: Lan85
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  1. Lan85

    Young's modulus for API 5L Line Pipes

    dhengr: API 5L standard incorporates manufacturing processes, chemical compositions, testing etc of different pipeline materials. There are no separate standard for the pipeline materials such as X56 and X65.
  2. Lan85

    Young's modulus for API 5L Line Pipes

    I was looking for Young's Modulus (E) for API 5L X65 line pipe in API 5L standard. However, it is not stated explicitly. After googling, I found the value to be 206 GPa. Can someone please provide an explanation why it is not stated in the API 5L Standard?
  3. Lan85

    Operational risks of operating centrifugal pumps in series

    Artisi: Flowrate is 60kL/hour (15850 gallon/hour). If you reduce the impeller diameter on 2nd pump, then it will act as an orifice as 1gibson pointed out and it can damage the pumps. LittleInch: Client changed the pump location and purpose so the head required went up. Vendor initially supplied...
  4. Lan85

    Operational risks of operating centrifugal pumps in series

    I have been working on a hydraulic calculation for a client to check whether pumps provided by a vendor can do the intended job. I need 34m head to transfer the water and each of the vendor pump (vendor provided two) have a head of 22m at the required flowrate. I thought arranging pumps in...
  5. Lan85

    Wet Gas Dryer

    Hi, I am looking into a project where an existing pipeline/gas field will tie-in to a gas delivery station. However the gas is wet and I need to select a dryer. I haven't done much with driers before. Flow rate on this pipeline is not much (normal operation is only 100,000 standard cubic...
  6. Lan85

    Does A350 LF2 CL1 flanges (failing low temp impact test) meet A105 flange requirements?

    SNORGY: When it was purchased for the project, the flanges were already qualified for A350 LF2. It was one of supplier's client who did impact testing on the flanges and it failed. Afterwards, the client notified the supplier and supplier sent an alert notice to other clients who were supplied...
  7. Lan85

    Does A350 LF2 CL1 flanges (failing low temp impact test) meet A105 flange requirements?

    Recently, I received an alert from the supplier saying that when tested for low temperature fracture toughness test, some of the flanges they supplied to us before, did not meet the requirements (required 16J min per specimen and 20J average across 3 specimens). We used these heats in one of the...

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