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  1. vonbad

    AMS 5717 Material compatibility with hydrazine

    Hello, I need some assistance in regards to material. I am working with an old print that calls out for ams-5717 specification for the material. However, the material is not available in the size requirements. Can anyone suggest an alternate materials. It will be used with hydrazine.
  2. vonbad

    Compatible Materials For Chloride and PH of 5

    I would like to confirm my ideas on material selection. I will be running a water/glycol (basically a 50/50) mix through a vessel and filter. The solution will have approxiametly 100 ppm of chloride and a worst case scenario of ph 5. Maximum temperature of 235°F and psi 55. I am planning to...
  3. vonbad

    Ideas for magazine article

    I have been asked to write an article for a magazine. Unfortunately, I have only come up with one idea. Our main focus is filtration of hot oils (650°F range, low psi <150). However, we do a lot of custom heating and cooling equipment as well as N2 blankets. Right now, I am leaning towards...
  4. vonbad

    NAFTA

    A previous thread regarding "outsourcing jobs" was interesting to read with many different views. However, most considered outsourcing (offshoring) jobs to Asia. I would like to see what people here think about NAFTA. I do not have in depth knowledge regarding this agreement, just hearsay...
  5. vonbad

    Frustrated and Lost

    I recently accepted a position with a small company. I knew that there aspects of the job that I were not exactly what I was wanting, but after a 10 month layoff. I wasn't exactly being picky. After 6 months here, I have come to realize that this position is nowhere close to the original job...
  6. vonbad

    Heat transfer problem with 50/50 water glycol solution

    We have a kettle (with agitator) of 700 gallons of canola oil with our target temp of 180°F. Using a 50/50 water glycol mix and low pressure (<40psi). Heat transfer is great till oil reaches 140°F (rise about 1°/min in 1-1 1/2 hours). Then it takes 3-4 hours for the oil to go from 140 to 180...

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