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Air admittance valves (AAVs, or commonly referred to in the UK as Durgo valves and in the US as Studor vents and Sure-Vent®) are negative-pressure-activated, one-way mechanical valves, used in a plumbing or drainage venting system to eliminate the need for conventional pipe venting and roof penetrations.
Valve manufacturers (7 P) Pages in category "Valves" The following 71 pages are in this category, out of 71 total. ... Air-operated valve; Angle seat piston valve; B ...
Retrieved from "https://en.wikipedia.org/w/index.php?title=Air_admittance_valve&oldid=309883018"
Boston valve: three-part two-port check valve used on inflatable boats, air mattresses, airbeds etc.; available in two sizes, normal and small; Ceramic valve, used mainly in high duty cycle applications or on abrasive fluids. Ceramic disc can also provide Class IV seat leakage; Cock: colloquial term for a small valve or a stopcock
Pages in category "Valve manufacturers" The following 6 pages are in this category, out of 6 total. This list may not reflect recent changes. C.
Air admittance valve, a valve in a drain-waste-vent system; Aire d'attraction d'une ville, a metropolitan statistical area used by the French national statistics office INSEE; Another Angry Voice, a British political blog; Vatican Apostolic Archive, Latin: Archivum Apostolicum Vaticanum
Anderson Greenwood Crosby is a US manufacturing company that produces valves for industrial processes, including pressure relief and tank protection valves. The firm was established as Anderson Greenwood in 1947 in Houston, Texas by Marvin Greenwood, Ben Anderson, and Lomis Slaughter Jr to produce a light aircraft, the AG-14.
Watts Water Technologies, Inc. is a company based in the United States that makes valve products for plumbing and heating, such as water pressure regulators and other valves. [1] Watts is one of the largest manufacturers of water valves in the United States. The company was founded by Joseph Watts. [2] It employs about 4,500 employees. [1]
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