Faucet aerator: Difference between revisions
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An aerator serves the following purposes: |
An aerator serves the following purposes: |
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* prevent splashing |
* prevent splashing |
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* shaping the water stream coming out of the faucet spout |
* shaping the water stream coming out of the faucet spout {{Clarify|date=26 January 2014}} |
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* [[water conservation]] and reduction in energy costs |
* [[water conservation]] and reduction in energy costs |
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* reducing faucet noise |
* reducing faucet noise {{dubious|1=Reducing Faucet Noise|date=January 2015}} |
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Faucet aerators are often used in homes with low water pressure in order to increase the perceived water pressure. |
Faucet aerators are often used in homes with low water pressure in order to increase the perceived water pressure. |
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Revision as of 14:51, 26 January 2015
A faucet aerator (or tap aerator) is often found at the tip of modern indoor water faucets. Aerators can be simply screwed onto the faucet head, creating a non-splashing stream and often delivering a mixture of water and air.
Function
An aerator serves the following purposes:
- prevent splashing
- shaping the water stream coming out of the faucet spout [clarification needed]
- water conservation and reduction in energy costs
- reducing faucet noise [dubious – discuss]
Faucet aerators are often used in homes with low water pressure in order to increase the perceived water pressure.
Design and Features
Three major components of an aerator are: housing, insert and rubber washer.
A faucet aerator can be classified on the basis of its flow rate and the type of water stream (aerated, non-aerated, spray) it produces. In general, standard-sized aerators are available with female (M22x1) or male threading (M24x1). Bathtub spouts often have a bigger diameter with a male M28x1 thread. The United States use different thread sizes: 15/16"-27 for standard-sized male and 55/64"-27 for standard-sized female threads.
Using faucet aerators may help meet local regulations and construction standards such as ASME A112.18.1, U.S. Leadership in Energy and Environmental Design (LEED) certifications[1] or WELS (Australia/New Zealand). In Europe, European standard EN246 "Sanitary tapware - General specifications for flow rate regulators" defines the flow rate and noise reduction requirements.
References