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What is a barometric loop?

Updated: 10/31/2022
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12y ago

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An baromtric loop as regards to Plumbing is an 1 way backflow preventer,meaning it prevents backflow from the standpoint of an backsiphonage or an vacuum condition.It is a piping arrangement that consist of an vertical pipe of at least 33.7 feet if I remember correctly where in a perfect vaccum it cant siphon the contents on the supply side past the top of the loop due to the physics of it being impossible to create an perfect vacuum

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Q: What is a barometric loop?
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Related questions

Why barometric loop height is 33.7 feet?

The only thing I can tell you is: For every 33.7 feet up from sea level you loose 1 atmospheric pressure and for every 33.7 feet below sea level you increase 1 atmospheric pressure... It is to my knowledge 33.7 is the measurement for a barometric loop... I think it has something to do with mercury rising up in a glass tube?


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Barometric pressure goes down in a tornado.


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When the barometric pressure rises it means calm fair weather is coming or is already occurring. When the barometric pressure falls it means foul weather is on the way such as rain and storms and clouds.


What causes increases in barometric pressures?

Low and high pressure systems. Obviously if you have a Low pressure system the barometric pressure will get low. High pressure causes the barometric pressure to rise.


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Falling barometric pressure usually indicates wet weather is on the way.


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A sudden decrease in barometric pressure is a sign that a storm is coming.


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A hurricane has very low barometric pressure.


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A barometric pressure sensor is a type of sensor located within an engine system. It helps retain proper fuel mixtures at different altitude using barometric pressure measurements.