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  1. douglasaudfroid

    Bending P91 small bore pipe

    Just thought I should add the minimum bends are 4" radius. Sorry!
  2. douglasaudfroid

    Bending P91 small bore pipe

    I guess I forgot to mention that these are drain and vent pipes off the HRSG. The drains obviously are rarely opened during operations unless of course it is the initial in service runs where you want to purge the sludge and crap out of the headers at low pressure. Also the only vents that will...
  3. douglasaudfroid

    Bending P91 small bore pipe

    Thanks, I appreciate your input and they validate my concerns. I will be in contact with BenTech or try and convince the end user to buy some fittings. Regards Douglas
  4. douglasaudfroid

    Basic precautions before re-starting Boiler

    Once the boiler flamed out, the BMS logic is manually reset and goes into a full furnace purge unless it is a multi gun application in which case it would steam or air purge the particular gun. The purge times are usually based on volume of air changes and is usually at least 5 times or volumes...
  5. douglasaudfroid

    Bending P91 small bore pipe

    I am presently on a project in Mexico and the HRSG supplier has supplied straight run pipe (small bore), P11, P22 and P91. I have read some of your forums and have been in the industry for 30 years as an OEM rep, but have never used or have done any bending in the field. I guess I would like...
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