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  • Users: jkate
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  1. 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...
  2. 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...
  3. 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...
  4. 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...
  5. 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...
  6. 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...
  7. jkate

    Intake Louver Sizing

    The company I work for provides containerized water treatment equipment. The containers are standard sea boxes. Typically we install an exhaust fan in one wall of the container and an intake louver in an opposite wall of the container. I'm trying to find some guidelines for the following: * for...
  8. jkate

    MS Access Combo Box to auto fill text box - problem

    I'm attempting to create a Purchase Order form. The way I have started to setup the form, I have a Combo Box that has a list of our most popular vendors. I would like to have the user be able to select the vendor from the list and based on their selection, have the vendor's address, phone no...
  9. jkate

    Inlet/Outlet location on Rectangular water tank

    I have a rectangular water tank with weir plates inside. Water flows into the tank at "X" gpm through an inlet nozzle. Water flows under the first weir then over the top of the second weir and then exits the tank through and outlet nozzle. I would like to maintain the level in the tank at 12"...
  10. jkate

    P&ID ID Letters for Methane Sensor & Detector

    I'm working on a project that will require a Methane Sensor and a Methane Detector. Both will transmit concentrations to the Main Control Panel and both will trigger alarms. What letters do I use in the instrument bubble for each of these devices? Thanks
  11. jkate

    Showing Auto Dialer on P&ID

    Another P&ID question. How can I show on a P&ID that a HIGH HIGH level switch not only lights a light on an auxiliary panel, but also activates an AutoDialer. Is there a balloon I can show on the P&ID to depict this? Thanks
  12. jkate

    P&ID Selecting between two pumps

    I have an application where I have to holding tanks with LOW and HIGH level float switches in each tank. The outlets of each tank tie together and are the suction to a duplex pump skid. I want to know what the proper symbols are to show on the P&ID that either set of float switches can turn the...
  13. jkate

    Help with model

    I'm creating a 3D model of an LMI chemical feed pump. The pump has a fitting on top which has a knob show in the attached photo. The knob has a teardrop shape and curves in two directions. If anyone can help me model this knob or give me some suggestions, I'd appreciate it. Thanks.
  14. jkate

    Return value of cell next to empty cell

    I need some help with VBA code to look at a two column array (columns A&B) called POLog, find the last empty cell in cell Bx (with "x" being the row) and return the value that's in cell Ax. I then want the value from Ax to be placed in a cell called "PONumber". Can someone help me with that...
  15. jkate

    Equivalent Length for HDPE Fittings

    Does anyone have a source where I can get a table that provides the resistance coefficients (K) for HDPE pipe fittings? Thanks
  16. jkate

    Pump ON/OFF Control P&ID symbols

    I'm not a controls engineer, and my company doesn't have one on staff, so I need some help. I have a scenario where I have a pump suction tank. The tank has 4 float switches installed. One switch is LSL which turns the pump off on low level. The next switch is LSH which turns the pump on on high...
  17. jkate

    P&ID Symbols for Level Alarm Lights

    A project I'm working on has an atmospheric tank with level float switches installed. The floats are LSH (level switch high) and LSHH (level switch high-high). When the water level in the tank activates either the LSH or the LSHH, a strobe light on top of an auxiliary alarm panel illuminates as...
  18. jkate

    Liquid Height above outlet nozzle

    I have a system pumping water at 350gpm into an open atmospheric tank. From this tank, the water then flows into a 2nd atmospheric tank and finally into a third. How can I calculate what the height of the liquid is above the outlet nozzle of the final tank?
  19. jkate

    Roark Flat Plate Question

    I have a what I feel is a stupid question. I have a flat plate 18"x72"x0.375" thk. When using the Roark formulas, which dimension is "a" and which is "b"? Thanks
  20. jkate

    P&ID Help

    I'm an ME, but at my company, I'm the individual developing the P&IDs. At this time, we don't have an I&C Engineer on staff, so I need a little help in how to show particular functions on our P&IDs. Are systems are pretty simple. Is there any online resources that I can go to where I can find...

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