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EXERCISE
: Whilst looking through the literature of one of the major
manufacturers of 4WVs, you come across the following information:
To obtain proper inversion:
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Minimum differential pressure: 1 bar.
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Maximum differential pressure: 25 bar.
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We already know that there must be a minimum differential
pressure (DP between HP and LP) to produce
an adequate movement of the slide. We have discussed this in some
detail.
But why shouldn't the pressure
difference between HP and LP exceed a maximum of 25 bar? What
could happen if it did?
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