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  1. shoubaki

    PLC restarting

    the PLC control two motor (primary and secondary) the tow motor is same function the first motor receive the command from PLC to run at certain period and then deactivate but the second motor continually receive the command without stop ,I've checked the all connection and switches all is...
  2. shoubaki

    PLC restarting

    hello every one: I have PLC seimens S7-300 that installed with machine but the PLC gives wrong commands in certain module , it is possible to restart the PLC without losing the user data in micro memory data what is the major effect of this restarting
  3. shoubaki

    saturated steam

    I am distilling purified water , but about poiling point that I tried to know !! may the pressure (if its not saturated pressure ) in the first effect increase the poiling point ?, how can I determine it? the information I have mentioned in drawing I attached
  4. shoubaki

    saturated steam

    This system includes six vessels , the temperature of the output steam from the final vessel is 122.4 C (if it is still steam) , each vessel have demister at upper portion , zekeman : our major problem that the output steam from the last vessel is too low as you thought,the problem...
  5. shoubaki

    saturated steam

    can anyone Help ??
  6. shoubaki

    saturated steam

    I try to explain my case in a simple drawing , you will note that the position of temp and pressure gauges not the inlet purified water (PW) temperature (70 C) http://files.engineering.com/getfile.aspx?folder=6afd9aba-c567-463a-8400-a5ae1eb75eab&file=evaporation.bmp
  7. shoubaki

    saturated steam

  8. shoubaki

    saturated steam

    I measure the temperature and pressure at the top of the line.( at the same point) I check that there is a steam raised from the output of the line I still searching for the exact reason !!!!
  9. shoubaki

    saturated steam

    thank you Katmar I've measured at the same point your assumption is correct it is bar gauge. I've calibrated the pressure and temperature gauges and its working correct. for more explanation: the line is filled with purified water and its heated by industrial steam (heat exchanger) the...
  10. shoubaki

    saturated steam

    Dear ALL: I have saturated steam line using in distillation unit with pressure 5.3 so the expected temperature is about 160 C , but actually the temperature is 140 C what is the possibles causes for this case? can any body help me ???
  11. shoubaki

    determine the specification of the transformer

    hello I found a failur transformer in the my device, it is variable output step down. the transformer has no I/O plate, I haven't the service manual of this device , so i cant determine the specification of this transformer , is there any method to determine the specification of this...
  12. shoubaki

    pharma air balance

    Dear All I'm working in pharma factory as calibration and validation engineer. now I have received new responsibility about air balance , I have no experience in this field. the factory have 7 AHU's controlled by BMS, I have to make positive room pressure comparing with corridor. the BMS...

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