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Hydraulically activated pipeline pigging (HAPP) is a pigging technology applied for pipeline cleaning. The basic principle is that a pressure drop is created over a by-passable pig held back against a pipeline's fluid flow. The pipeline fluid passing through the pig's cleaning head is accelerated by this pressure drop, forming strong cleaning jets.
In some cases, the pig is removed from the pipeline via the receiver at the end of each run. [9] All systems must allow for the receipt of pigs at the launcher, as blockages in the pipeline may require the pigs to be pushed back to the launcher. Many systems are designed to pig the pipeline in either direction.
Background and origin of the term "pig": In the field, a device that travels inside a pipeline to clean or inspect it is typically known as a pig. PIG is a bacronym for "Pipeline Inspection Gauge". The acronym PIG came later as the nickname for "pig" originated from cleaning pigs (first designed pigs) that sounded like squealing or screeching ...
With the new film Bread and Roses streaming now on Apple TV+, Lawrence, 34, and Yousafzai, 27, turned the camera over to Afghan filmmaker Sahra Mani to collect footage of women Mani knew in ...
There is no one better to tell the story of womenhood in Afghanistan than the women themselves
Meet Khanzir, the only pig in all of Afghanistan. Pigs are a true rarity there, as pork and other pig-related products are illegal for religious reasons.. SEE ALSO: Sweet rescue pig will wow you ...
Some have proposed that the actual motive for the United States-led Western invasion of Afghanistan in 2001 was Afghanistan's importance as a conduit for oil pipelines to Afghanistan's neighbouring countries, by effectively bypassing Russian and Iranian territories, and breaking the Russian and Iranian collective monopoly on regional energy supplies. [2]
A slaughterhouse is being accused of illegal slaughtering methods after an animal rights group released undercover video this week. Livestock slaughtered at Quality Pork Processors is used by ...