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Pfister, called Price Pfister until 2010, is an American manufacturer of bathroom and lavatory faucets, shower systems, showerheads and accessories, kitchen faucets and other plumbing fixtures. Emil Price and William Pfister founded the company in 1910.
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.
In 1969, Price Pfister was sold to Norris Industries with Familian continuing on as chairman of the board. [1] The firm went through numerous ownership changes in the following years. In 1981, Norris was purchased in a leveraged buyout for $420 million by Kohlberg Kravis Roberts and renamed NI Industries. [3]
Fine bubble diffusers have largely replaced coarse bubble diffusers and mechanical aerators in most of the developed world and in much of the developing world. The exception would be in secondary treatment phases, such as activated sludge processing tanks, where 85 to 90 percent of any remaining solid materials (floating on the surface) are ...
The effectiveness of a surface aerator is limited to a small area as they are unable to add circulation or oxygen to much more than a 3-metre radius. This circulation and oxygenating is then limited to the uppermost portion of the water column, often leaving the bottom portions unaffected. Low speed surface aerators can also be installed on floats.
Marcus Pfister (born 30 July 1960 in Bern, Switzerland) is a Swiss author and illustrator of children's picture books. [ 1 ] His Rainbow Fish series of children's picture books, published since 1992, has been a worldwide success.
Jet aerators are easily configured into any basin geometry including circular, rectangular, looped reactors and sloped wall basins. Jet aerators are ideally suited for deep tank processes. The jet oxidation ditch is an example of technology innovation where the combination of a deeper basin design, bottom to top mixing and conservation of ...
Walter C. Pfister (born July 8, 1961) is an American director and former cinematographer, who is best known for his work with filmmaker Christopher Nolan. Some of his collaborations with Nolan include Memento (2000), The Dark Knight Trilogy (2005–2012), and Inception (2010).
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