Download - Bad pressure sensors
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Did this woman die because
doctors could not diagnose her
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BAD PRESSURE SENSOR IS DEATH WARRANT
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PRESENTER
NIMRA SAHOO2010-CH-41
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YES THEY ARE IMPORTANT
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The are found everywhere
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BUT BEAUTY & BEAST COME TOGETHER
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SAME SENSORS CAN BECOME WORSE FOR
YOU
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Selecting the wrong pressure sensor
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Installing pressure sensors incorrectly
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Quitting too soon
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MAJOR ACCIDENTS CAUSED BY DEASSEMBLING, BAD PRESSURE SENSOR
Pressure sensor failure
Restart of refrigeration
system
Diverging of NH3
pressurized circuit
regulating system
Activation of safety valve on
NH3 circuit
RELEASE OF 200 kg of NH3
300 evacuated
24 hospitalized
4 injured
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METALLURGY – malfunctioning OF SENSORJune 8, 2007
Oversight of closing valve of cooling system
Malfunctioned P sensor
Perforation of furnace cooling
system
Flow of water in furnaceWater &
molten metal contact
EXPLOSION
2 killed
2 M€ of property damages and operating losses
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afterbefore
FURNACE EXPODED
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PIPE EXPLOSION
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accidents involving PRESSURE sensors
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regularly calibrate pressure sensors
Regular inspection & cleaning
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TILL ITS TOO LATE
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