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  • Users: TD2K
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  1. TD2K

    Flare seal pot sizing

    I'm trying to size a flare water seal pot and am getting rather larger numbers that I might expect (on the other hand, I've never had to size one so larger is subjective). The approach I used is based on preventing droplets over a given size being carried overhead by the rising gas stream in...
  2. TD2K

    Valve interlock system

    Maybe someone remembers the name of this product, I remember seeing a vendor demonstration years ago. Essentially, it was a key lock system to ensure that a particular sequence (in this case, valves) was followed. The concept was that a 'key' would be inserted in the first valve box which...
  3. TD2K

    MJCronin

    I'm going nuts here. You mentioned Spayco nozzles in this old thread thread170-8901 I'm currently working on a job which has 1" Sprayco nozzles 1HH11W (or the 1 could be an I). I have been unable to track down Sprayco through Google to get a K value for these. Do you know if they are still...
  4. TD2K

    PSV/rupture disc combination

    I have a PSV with an inlet rupture disc. The derated PSV capacity using the certified combination factor is greater than my required capacity so I'm okay there. My question is with respect to the inlet 3% line loss guideline per API 520. The conservative approach is to calculate the inlet...
  5. TD2K

    Synthetic crude end-point

    Anyone has any information on the end-point for synthetic crude from the Canadian oilsands plants? Both plants apparently have some sort of carbon rejection facilites (such as fluidized cokers at Syncrude) so I'm expecting not much heavier than light or heavy vacuum gas oil(s). More looking...
  6. TD2K

    Class 150 flange temperature limitations

    I'm currently working on a project with 18" class 150 HVGO suction piping from the vacuum tower to the pumps. Operating temperature can be from 530F up to 600F and class 150 flanges meets the design pressure and temperature requirement. We are reviewing whether class 150 flanges should be...
  7. TD2K

    Piping and flange information site

    I came across this site by accident and though I haven't had a chance to look throughly at it, it appears to be another good reference site to bookmark for information on piping systems. They also list data on flanges for DIN and BS standards which have been asked about more than once on this...
  8. TD2K

    Vapor recovery unit sizing

    I'm working on a job that involves retrofitting NG gas blankets and vapor recovery units (VRUs) onto some existing tanks. I have the flow rates and the fluid properties of the materials that I can run down to the tanks. As backup for the VRUs, the tanks will be equipped with vacuum/breather...
  9. TD2K

    Classic refining books

    What would your recommendation be for classic refining books to have as a reference? I have a copy of 'Petroleum Refining, technology and economics' that does a nice beginning job explaining the different refining operations (atm distillation, vacuum distillation, isomerization, alkyation...

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