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  • Users: RomanKatz
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  1. RomanKatz

    Q=mCdT vs UdT

    Hello friends, I am trying to calculate the required Q for a double jacket 10m3 vessel heated by a small boiler. If I do the Q=mcdt equation it turns out 500 kg,60 degC difference about 30+Kw. How ever If I calculate the resistance of heating the water,convection to and throught the copper...
  2. RomanKatz

    IBC Filling Stand

    Hello friends, I need to fill EXACT weight in many 1000L plastic tanks (IBC). To do it I need to pump from one IBC into another. I have a pump to do that, but I have to control the filling. SO I was thinking about a movable filling post (submerged into a concrete bucket/cut drum). The...
  3. RomanKatz

    Balance Point

    Hello friends, Need your advice regarding a balance point: A 24L bucket (D=0.3m,H=0.34m) is to be filled with concrete. A 2.4m profile (50mm*50*2) is to be placed into the bucket before it solidifies. I intend to place a chemical identification sign at the top (or another height). The...
  4. RomanKatz

    Sprinkler system calculation

    Hello Friends, I need to calculate sprinkler LPMM (LPM per 1 meter) spraying capacity. I know that that we have 12rows*13 units/row =156 units for 1200 M2 of storage. I also know that the pressure in the sprinkler piping system is 11-12 bar. Water is provided from 1000M3 tank by a 6'' pipe...
  5. RomanKatz

    Draining Flow

    Hello Friends, I have a 4m3 vertical tank. At the bottom, 2'' draining valve. How to calculate the draining flow? It is obviously height dependent, so if it has a 1m3 water in it? Thanks. Best Regards Roman Katz
  6. RomanKatz

    Gear pump vibrations

    Hello Friends, I have a 2'' 100LPM gear pump, I used it to transfer lubricant additives from the drum to a mixing tank. I connect the pump to a piping system by a flexible plastic tube. I want to change this tube to a stiffer hose and my concern is that because pump has vibrations this new...
  7. RomanKatz

    Oil Water Separator

    Hello Friends, Got a question for you: I have two underground oil water separators. Each has 2 vents. I was wondering, can I close or cover them up? It's a safety concern. A workers foot can get trapped, it's 4'' diameter openings. Thanks. Best Regards Roman Katz
  8. RomanKatz

    foam presence during windscreen production

    Hello friends, I have a question for you: We produce a windscreen fluid in a 4m3 storage tank. A centrifugal pump(100-600 LPM) pumps the liquid into a 1m3 tank that feeds the filling machine. When a 1m3 tank is empty, the pump works to fill the tank. It is then, the foam is produced, lots of...
  9. RomanKatz

    Pump output

    Hello friends, I have a gear pump 1.5'' that pumps 40LMP. I have a same pump 2'' that pumps 100LMP, under same conditions. Is there a rule of thump to tell that increase from one diameter to another, increases output by?... Best Regards Roman Katz
  10. RomanKatz

    AIR REMOVAL

    Hello friends, I fill IBC by using a gear pump that is connected to 2'' CS pipes. Sometimes I have trapped air within the system, it may come from various sources but the fact is that it happens. Is there a unit that can be introduced that releases the air? It makes so much noise and not...
  11. RomanKatz

    Pump performace

    Hello Friends, I have a question for you regarding lubricants additives. At this point I have a gear pump 1.5'' 1.5 Kw 3P (victor pump R40G44BF+Y do be exact). Inlet pipe is 4 meters long(1.5'') made of plastic reinforced tube. The outlet is 5 meters long same plastic tube that is then...
  12. RomanKatz

    Heat transfer calculation

    Hello friends, I have a drum heating stove (hot air, known Q and speed). I use it do heat viscous materials. I am trying to write a heat transfer formula to use in excel that can correlate between heating temp and heating time of the stove to material temp that is inside the drum. My task is to...
  13. RomanKatz

    delivery pipe

    Hello, I have a 2'' gear pump. Is it ok to use a 3'' delivery pipe or will it effect the Q because of less pressure? Best Regards Roman Katz
  14. RomanKatz

    Pump overload

    Hello, I have a 500 CST flexy tank oil that I have tried to pump to a near tank(2.5'' 9 m flexible pipe, 2.2 KW 1450 rpm 2'' 3 phaze gear pump). After 200 L the pump went off. It overheats and shuts down. When it is warmer outside it performes well. My problem is that when I calculate...
  15. RomanKatz

    Centrifugal pump operating conditions

    Hello, I really need your help: I have a liquid filling machine that produces coolant fluid. the centrifugal pump (its parameters i can provide) sucks the liquid from the bottom of an IBC container. the bottom of the IBC is more or less at the same hight as the pump. this is a small batch...

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