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Let's assume one of the inlet ports is at atmospheric pressure,

Absolute pressure = atmospheric pressure + differential pressure

= 14.7psi + 43psi = 57.7 psi

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13y ago
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4mo ago

To convert the differential pressure of 43 psi to absolute pressure, you would add the atmospheric pressure to the differential pressure. On average, atmospheric pressure at sea level is about 14.7 psi. So, adding 43 psi to 14.7 psi gives an absolute pressure of approximately 57.7 psi.

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Q: How do you convert a differential pressure of 43 psi to absolute units?
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What is unit of differential pressure?

Let me differentiate first between design pressure and mechanical design pressure. Design (or discharge) pressure is the pressure at the outlet of the pump, the pressure you've designed the pump to deliver. The mechanical design pressure is a value that the pump casing and downstream piping have to be able to withstand as a minimum*. I presume you mean design pressure as discharge pressure. In this case, differential pressure is the difference between the discharge pressure and the suction pressure (the pressure at the inlet of the pump**). * this is calculated taking into account that a pump would be working against a 'blocked discharge' or a closed valve in the outlet piping ** imagine a reservoir filled with liquid


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It is not possible to convert kilograms (mass) directly to pounds per square inch (pressure) as they are different units. To convert mass to pressure, you would need additional information such as the area over which the force is applied.


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Barometer pressure conversion from metric to imperial?

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Related questions

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What is the conversion factor of the metric system?

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What is unit of differential pressure?

Let me differentiate first between design pressure and mechanical design pressure. Design (or discharge) pressure is the pressure at the outlet of the pump, the pressure you've designed the pump to deliver. The mechanical design pressure is a value that the pump casing and downstream piping have to be able to withstand as a minimum*. I presume you mean design pressure as discharge pressure. In this case, differential pressure is the difference between the discharge pressure and the suction pressure (the pressure at the inlet of the pump**). * this is calculated taking into account that a pump would be working against a 'blocked discharge' or a closed valve in the outlet piping ** imagine a reservoir filled with liquid


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