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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 pigs cleaning head is accelerated by this pressure drop, forming strong cleaning jets.
Unlock and open door, remove pig from receiver, close and lock door. Pig receiver is then ready to receive the next pig. Pigging station. The pigging installation shown (right) is known as an Above Ground Installation (AGI). It is part of the UK's National Transmission System for natural gas. It shows two pig launcher/ receivers at the end of ...
August 15 – Two pipeline workers were injured when a lid on a pipeline pig trap blew off of a gas pipeline, near Barstow, Texas. A fire followed. [42] September 5 – A gasoline pipeline ruptured and ignited at a Plantation Pipeline Terminal in Bremen, Georgia. For a time, there were fears the fire might spread to nearby fuel storage tanks ...
WASHINGTON (Reuters) -The Justice Department late on Wednesday asked a U.S. appeals court to reject an emergency bid by TikTok to temporarily block a law that would require its Chinese parent ...
In 1987, it began doing business under the name Sentry Group, in order to better identify the company with its trademark name safes — "Sentry". Sentry Group produces more fire-resistant chests, safes, security storage containers, and gun safes than any other company in the world [ citation needed ] and has won several awards, including ...
A Washington, D.C. man has been arrested for threatening flight attendants on a United Airlines plane traveling from Houston to New Jersey. Kedus Yacob Damtew, 38, was charged with one count of ...
A Texas jerky seller allegedly threatened to show up to a Capital One office with “a machete and gasoline” and “do things that are unforgivable” in a rage at a $543 debt, according to a ...
A trapdoor or hatch is a sliding or hinged door that is flush with the surface of a floor, ceiling, or roof. [1] It is traditionally small in size. [ 2 ] It was invented to facilitate the hoisting of grain up through mills, however, its list of uses has grown over time. [ 3 ]