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Pickling is sometimes called acid cleaning if descaling is not needed. [2] [3] Many hot working processes and other processes that occur at high temperatures leave a discoloring oxide layer or scale on the surface. In order to remove the scale the workpiece is dipped into a vat of pickle liquor.
Cast iron pipe was superseded by ductile iron pipe, which is a direct development, with most existing manufacturing plants transitioning to the new material during the 1970s and 1980s. Ductile iron pipe is different than cast iron, because the introduction of magnesium during the casting process causes the graphite to form spheres (graphite ...
A descaling agent or chemical descaler is a liquid chemical substance used to remove limescale from metal surfaces in contact with hot water, such as in boilers, water heaters, and kettles. Limescale is either white or brown in colour due to the presence of iron compounds. Glass surfaces may also exhibit scaling stains, as can many ceramic ...
The most cost-effective way to prevent obstructions in your plumbing, ... I read about Bio Clean and decided to give it a chance since cutting out cast iron pipes is very expensive. We started in ...
Many cast-iron pipes installed over a century ago have joints of jute sealed with lead that deteriorate over time and are often the causes of cast-iron pipe failure. [2] Jute was an effective joint sealant when the pipes carried coal-based town gas, but natural gas, used since the 1950s in New York [3] and the 1970s in the UK, [citation needed] dries out the jute.
American Cast Iron Pipe Company at the Stuart A. Rose Manuscript, Archives, and Rare Book Library Historic American Engineering Record (HAER) No. AL-35, " American Cast Iron Pipe Company, 1501 Thirty-first Avenue North, Birmingham, Jefferson County, AL ", 2 photos, 3 data pages, 1 photo caption page
Ductile iron pipe is pipe made of ductile cast iron commonly used for potable water transmission and distribution. [1] This type of pipe is a direct development of earlier cast iron pipe , which it has superseded.
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