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  1. pine05

    Criteria to say a PSV is oversized

    thanks for the input if i decide to stagger the PSV, is it okay if I use different size of PSV, let say the 1st one is 1.5F2 and the 2nd one is 3K4 ? Thanks
  2. pine05

    Criteria to say a PSV is oversized

    Hi I want to ask, what is the criteria to say that a selected PSV is oversized ? For instance, I have a calculated relief rate of 100%. When I calculate the orifice size I found that the orifice size is 1.877 in2 (larger than 1.838 in2 for K size but much lower than 2.853 in2 for L size) If...
  3. pine05

    On-Off Valve or Control Valve ?

    Hi, I'm currently working in a Gas Processing design and I'm a little bit confused in one subject. So here is the case I have two Feed Gas Scrubbers (upstream and downstream of Compressor). The Feed Gas is normally in 100% vapor form (no liquid flashing expected). Bottom of these scrubbers...
  4. pine05

    Switching Table for Dehydration Unit

    i see now, so when I run the A&B bed for 50% that means the adsorption time which is previously 12 hours (for 100%) will be longer for 50% (say 24 hours, double the time) is it correct ? thanks anyway
  5. pine05

    Switching Table for Dehydration Unit

    Thanks for the explanation But what will happen if at 12hrs both A & B needs to be regenerated?
  6. pine05

    Switching Table for Dehydration Unit

    Hi, my name is pine and I'm currently have assignment to create switching table for Dehydration using Mol Sieve. Our client would like to have the unit able to operate in both 2x100% (1 operate, 1 regen, 1 standby) and 3x50% mode (2 operate at 50%, 1 regen) My questions are : 1. Lets say that...
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