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Recent content by jkate

  1. jkate

    Pump Head Calculation - 1 Pump pumping to 2 locations

    fel3, thanks for your input. I'll check out EPANET and the thread you mentioned.
  2. jkate

    Pump Head Calculation - 1 Pump pumping to 2 locations

    LittleInch...got it.
  3. jkate

    Pump Head Calculation - 1 Pump pumping to 2 locations

    LittleInch, thanks for your reply. As far as pressure drops in the 1" line, the only losses are the friction through the pipe and fitting. If I find that there isn't enough head at the 2"/1" junction, how do I increase the head at that tee location?
  4. jkate

    Pump Head Calculation - 1 Pump pumping to 2 locations

    Hoping for a little help. I have a system that will be using 1 pump that will pump to two branches. In this system, we’re pumping a total of 42gpm of water, 40 gpm flows through 2" SCH80 pipe to a scrubbing tower. There is a tee off of the 2" pipe that flows 2 gpm through 1" SCH80 pipe that goes...
  5. jkate

    Corrosion on painted stainless steel

    Hello: Looking for a little advice. We are a provider of municipal and institutional swimming pool filters. We have installations all over the world at various water parks, high schools and YMCA's. Occasionally, we get contacted from customers that have had the filters in service for only a few...
  6. jkate

    Flow Turbulence

    LittleInch, not being shy regarding the flowrate. I asked the client to provide. Still waiting for an answer. I was thinking about straightening vanes, but the perforated flow conditioner is a great idea. Thanks. Bimr, filter runs are typically 6 hours.
  7. jkate

    Flow Turbulence

    bimr & Rputvin: Inside the filter is a nest of hundreds of tubes that hang down from an upper plate. Each tube is coated with a filter media. There is a baffle on the inside of the filter that intended to redirect the flow through the center of the filter theoretically spreading the flow move...
  8. jkate

    Flow Turbulence

    Thanks for your reply 1503-44. The optimum flowrate of the filter is 2100 gpm. The headloss is about 26ft.
  9. jkate

    Flow Turbulence

    Hello: A client is complaining that there is excessive turbulence inside a filter as the water enters the vessel and is asking what to do about it. Attached is a drawing they provided of the piping arrangement. My first observation was two things. It seems they are reducing the pipe size very...
  10. jkate

    Rolled Angle Ring as flange

    Great. Appreciate the input.
  11. jkate

    Rolled Angle Ring as flange

    Has anyone ever done any calculations to use a a rolled angle as a flange for bolting a head to a shell? This is not an ASME vessel and I’m just looking for a calculation method to be able to calculate the quantity and size of bolt holes and checking the thickness to use a rolled angle as a...
  12. jkate

    Rolled Angle Flange Desing

    I'm looking for some help to determine the size and quantity of stainless steel bolts for a flanged joint as shown in the attachment. The flange is for joining the head and body of a non-code pressure filter. The head and body flanges are rolled leg out from 2"x2"x3/8" 304L stainless steel angle...
  13. jkate

    Rectangular Tank Design

    I'm needing to design a rectangular tank under hydrostatic pressure. I've been looking at procedures in "Design of Weldments" by Blogett, "PV Handbook", and a procedure I downloaded. The dimensions of my tank are 72"Hx72"Wx243"L made from A36 Carbon Steel. Every procedure starts out by...
  14. jkate

    Intake Louver Sizing

    Dbill74: Thank you for you reply, it was very helpful. One question, If our goal is to maintain temperature, does the number of air changes needed come into play in determining the louver size?
  15. jkate

    Intake Louver Sizing

    Goal is to maintain temperature.
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