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  1. ronissa

    calculation of a helical coil capacity

    [b]Hi everyone, I am trying to install a helical coil into a big container with 267 cm diameter and 350 cm height to cool 14000 kg 50 degree Celsius polyurethane to 30 degree Celsius in 30 minutes( we use the material to produce rigid foam)note:the container has a blender to mix the material...
  2. ronissa

    what kind of valve we should chose to install automation & batching system

    thanks a lot Latexman could you give me some more details about your experience usiung this kind of valve? please tell me more about position[smile]er and actuators
  3. ronissa

    what kind of valve we should chose to install automation & batching system

    I am working in a chemical company and we decided to install automation & batching system for our production line that involve mixing 5 or 6 kind of liquid raw materials for making polyurethane product mainly. we have installed load-cells on our agitator tanks and our raw material tanks to weigh...
  4. ronissa

    what kind of valve we should chose to install automation & batching system

    I am working in a chemical company and we decided to install automation & batching system for our production line that involve mixing 5 or 6 kind of liquid raw materials for making polyurethane product mainly. we have installed load-cells on our agitator tanks and our raw material tanks to weigh...
  5. ronissa

    maximum possible flowrate from an circular orifice with 15 millimeters diameter at 8 bar pressure

    because the piping line is dry so the differential pressure is 8 bar ( 8 barg u/s and 0 barg downsteam )
  6. ronissa

    maximum possible flowrate from an circular orifice with 15 millimeters diameter at 8 bar pressure

    hi thank you for your reply and your attention. actually I am setting up a water-foam fire fighting system for a warehouse that its area is 472 square meter and a device is introduced to me that its name is inductor which use venturi effect to suck foam by suitable ratio to make foam (type of...
  7. ronissa

    maximum possible flowrate from an circular orifice with 15 millimeters diameter at 8 bar pressure

    thanks for your comment.(you are right) the fluid is water 8 bar differential I do not know what do you mean by " Upstream pressure & D/s pressure " but the pipe and the orifice is horizontal I used bernoulli's equation and the result was about 30 m3/h thanks again for your help
  8. ronissa

    maximum possible flowrate from an circular orifice with 15 millimeters diameter at 8 bar pressure

    hi I wanna know how much is the maximum flow rate from an circular orifice with 15 millimeters diameter at 8 bar pressure?
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