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  1. pipertecho

    PD pump proposal outside Its curves

    I am using 14m3/hr flow rate for my NPSH calculations. I have also floated this inquiry to other vendor. Later have to take decision comparing both pump performance and cost
  2. pipertecho

    Color coding as per ISO 14726

    Thanks 1503-44 , bimr , TugboatEng. Understood there is no fixed regulation for placement of color bands. Regarding the doubt-2 type of color code for tank vent, very much agreed with TugboatEng. Tank vent must follow the same code as tank fluid color code. I got confused as the vessel vent...
  3. pipertecho

    PD pump proposal outside Its curves

    Very sorry LittleInch for the delayed response and my data if it confused you. As mentioned in my original thread, my application involves a diesel pump with 14 m3/hr @ 1 bar. I have given the same details to the vendor and he reverted with his offer and pump curve. In the image shared earlier...
  4. pipertecho

    Color coding as per ISO 14726

    Hello everyone, I have a couple of doubts about the pipe color coding and would like to get advice from the expert community. first, doubt: is there any guideline for the recommended distance between two color bands? in my case, I need to install them on Ship where pipes are running in very...
  5. pipertecho

    PD pump proposal outside Its curves

    Thanks, LittleInch. Correct. This is the smallest pump under his portfolio. I forgot to specify the pump type in my earlier post. The proposed pump is a horizontal 3-spindle screw pump with shaft power ~1.9kw at 20cSt. Currently, assembled with 3kW @ 1450rpm motor. This offer in terms of cost...
  6. pipertecho

    PD pump proposal outside Its curves

    Thanks bimr
  7. pipertecho

    PD pump proposal outside Its curves

    Thanks bimr. My understanding was the curve start point and its endpoint shows the pump operation limit, outside operation generally not advisable. Here in my case, vendor proposed something, which is not covered in the performance curve. the curve for 20 cSt starts from 19m3/hr@2 bar and...
  8. pipertecho

    PD pump proposal outside Its curves

    I have attach image file for pump curve and dimensions. it can be found from link...
  9. pipertecho

    PD pump proposal outside Its curves

    firstly, sorry if this question duplicates with any of the previous threads. I did some quick search and didn't find any direct resemblance. I have a situation where a PD pump with approx duty point 14 m3/hr @ 1 bar needs to take Diesel oil suction from the two tanks (one of the tank placed in...

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