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  • Users: bragamor
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  1. bragamor

    how to size a chiller

    We need to buy a new air cooled water chiller for our chemical plant in Texas. The water flow in the system is 150 gpm so I have calculated that we need a 100 TN chiller. CHILLER SIZE=150 GPMx60x8.33x12*x1.15**=102 TN=1,224,000 BTU * delta T ** security factor in case we want to expand the...
  2. bragamor

    SRV under rupture disk

    Do you guys know if it is legal to have a spring pressure relief valve just before a rupture disk. The set pressure of the SRV would be lower than the one of the rupture disk Thanks for your help on this one
  3. bragamor

    problems cooling centrifugal pumps

    We have several centrifugal pumps in our process pumping liquid at high temperatures back into the reactor. These pumps get really hot so we use cooling water to cool them down. The problem is that we cannot send this cooling water back into the cooling water return line because there is not...
  4. bragamor

    control rooms

    I work in a chemical plant and we want to relocate our control rooms, they are too close from our production facilities. Does anybody know a company in the houston area that can do this work for us? Thanks for your help on this one
  5. bragamor

    TDH calculation

    We use a centrifugal pump to direct our chill water into the system. We have a pressure indicator at the outlet of the pump. Can I use this pressure as my TDH? thanks for your help on this one
  6. bragamor

    solids in the heat exchanger

    Dear All, One of our exchanger builds solids every 1-2 months and we have to clean it regularly. Does anybody know what is the best way to prevent the formation of these solids? The exchanger is a shell and tube heat exchanger Best regards
  7. bragamor

    Agitator and heating times

    Hi all, Is it better to stop using the agitator when heating a reactor? Thanks for your help on this one
  8. bragamor

    heat exchanger size and flow

    We want to change our actual heat exchanger that has the following specs: SQ.FT: 250 Tube diameter: 3/4" # tubes: 250 tubes Length of tubes: 5 feet For a bigger exchanger, with the following specs SQ.FT: 338 Tube diameter: 1" # tubes: 261 tubes Length of tubes: 5 feet How is our flow going...

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