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  2. Air gap (plumbing) - Wikipedia

    en.wikipedia.org/wiki/Air_gap_(plumbing)

    To further illustrate the air gap, consider what could happen if the air gap were eliminated by attaching a hose to the faucet and lowering the hose into a sink full of contaminated water. Under the right conditions (if the water supply loses pressure and the sink is higher than the point at which the water supply enters the house, for instance ...

  3. Low-flow fixtures - Wikipedia

    en.wikipedia.org/wiki/Low-flow_fixtures

    Faucets that meet energy efficiency standards for WaterSense mustn’t use more than 1.5 gpm, a 32% decrease in flow rate over the federal requirement. [10] Reduced flow faucets often make use of flow restrictors or faucet aerators to reduce the flowrate of the water. Using a faucet with an aerator results in an average 42% reduction in water ...

  4. Faucet aerator - Wikipedia

    en.wikipedia.org/wiki/Faucet_aerator

    When an aerator is added to the faucet (or fluid stream), there is a region of high pressure created behind the aerator. Because of the higher pressure behind the aerator and the low pressure in front of it (outside the faucet), due to Bernoulli's principle there is an increase in velocity of the fluid flow.

  5. These Lawn Aerators Keep Your Grass Healthy and Green - AOL

    www.aol.com/lawn-aerators-keep-grass-healthy...

    48-Inch Tow Plug Aerator. The Agri-Fab 48-inch tow plug aerator is a robust and efficient tool for aerating large lawns. Its 48-inch width allows for wide coverage in a single pass, making it ...

  6. Water aeration - Wikipedia

    en.wikipedia.org/wiki/Water_aeration

    The low speed surface aerator is a device for biology aeration with high efficiency. These devices are often in steel protected by epoxy coating and generate high torque. The mixing of water volume is excellent. The common power is going from 1 up to 250kw per unit with an efficiency (SOE) around 2 kgO2/kw.

  7. Automatic faucet - Wikipedia

    en.wikipedia.org/wiki/Automatic_faucet

    An automatic faucet or tap (also hands-free faucet, touchless faucet, electronic faucet, motion-sensing faucet, sensor faucet, or infrared faucet) is a faucet equipped with a proximity sensor and mechanism that opens its valve to allow water to flow in response to the presence of a user's hands in close proximity. The faucet closes its valve ...