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  • Users: DaEarl
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  1. DaEarl

    ASTM Test for H2O in Propane

    At our refinery we have recently had trouble with Propane that is contaminated with water. This is the first time we have encountered this. We do not currently run any lab tests to determine the concentration of H2O in propane so we are inexperienced with the particulars. I know that...
  2. DaEarl

    Tank Filling/Overflow of tank investigation

    Greetings, I am currently part of an investigation involving the overflow of a tank. The system is as follows: two tanks, each the same diameter and height, each containing water, are both connected by a 16" CS pipe (300ft.). Water is pumped into both tanks at a constant rate. Tank 1 at...
  3. DaEarl

    Choosing a Booster Pump

    Greetings all, I am new to the design of pumping systems and in fact I am fresh out of school. Anyways, I am working a project where I must spec out a new booster pump for our products transfer. This booster (vertical 3 stg. turbine) boosts flow to three larger pumps in parallel. These...
  4. DaEarl

    Ultrasonic Flow Meter/Crude Oil

    Greetings, I am currently working a project where flowrate needs to be measured. My question is whether anyone has any experience with ultrasonic meters. I have heard many different opinions on these meters. Some of my colleagues are sure of their reliability and others are very skeptical...
  5. DaEarl

    DRA (drag reducing agents); good for gasoline, diesel?

    Greetings, Does anyone here have any thoughts or experience on drag reducing agents. For the project I am currently working on, there is a desire to increase capacity of our products pipeline. Naturally, the refinery is pumping out diesel (ULSD & HSD), gasoline, and kero. I am wondering if...
  6. DaEarl

    NPSHr for Vertical 3 Stg. Pump

    Greetings, I am working on resolving suction problems on a Byron Jackson 3 stg. Vertical Turbine. The datasheets that I have at my disposal include a pump curve without a NPSHr curve. I was referred to other paperwork where the NPSHr was given for the design flowrate. Two values are given...

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