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  • Why is capacity inversely proportional to volume?

    NAVATHE SACHIN

    Member

    Updated: Oct 26, 2024
    Views: 2.2K
    I would like to know how capacity is inversly proportional to vacuum ? see the graph which is given below.
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  • Ramani Aswath

    Member • Aug 24, 2015

    N.SACHIN
    I would like to know how capacity is inversly proportional to vacuum ? see the graph which is given below.
    What does this graph represent? If it is about a pump, then for a given horse power, the graph is valid. The power consumed by a pump is directly related to the volumetric capacity/time x the vacuum level.
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  • NAVATHE SACHIN

    Member • Aug 25, 2015

    Sir it is about vacuum pump.From the above graph i can say that,if capacity increases vacuum decreases i.e how vacuum is inversly proportional to capacity ?
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  • Ramani Aswath

    Member • Aug 25, 2015

    I am removing the earlier post as it was a bit confusing. Let me see if this is slightly better. For a vacuum pump the product of the volume of gas pumped in a given time and the pressure difference represents the power. This implies that a high capacity pump will have low pressure difference and vice versa. This the reason for the graph's shape.
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