Hydrostatic Pressure

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6 Terms

1
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Vertical water pressure per ft?

.433 psi

2
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What is the pressure at radiator 1?

10.28 psig

<p><span>10.28 psig</span></p>
3
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What is the pressure at the centerline of the pump?

13.72 psig

<p><span>13.72 psig</span></p>
4
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This diagram is showing 12 psig for total of 12 vf. (vertical feet) system. What is the first step in calculating the water pressure at the first floor radiator?

Remove 4 vf. to get to 8 vf. at first floor. (.433 × 4 vf. = 1.732 vf. psi)

<p>Remove 4 vf. to get to 8 vf. at first floor. (.433 × 4 vf. = 1.732 vf. psi)</p>
5
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This diagram is showing 12 psig for total of 12 vf. (vertical feet) system. Once you know that the first floor vf. psig is 1.732, whats the next step?

Subtract vf. psi from total psig. (12 psig - 1.732 vf. psi = 10.26 vf. psi at first floor radiator)

<p>Subtract vf. psi from total psig. (12 psig - 1.732 vf. psi = 10.26 vf. psi at first floor radiator)</p>
6
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How do you calculate hydrostatic pressure?

psig + vf. = hydrostatic pressure