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The main is supported by the line stop sleeve. After performing the necessary service, the stop is removed, and a blind flange is installed on the sleeve. There are various types of line stopping heads. The oldest and still most widely used method of line plugging is the pivoting head style line stop. This technology dates back to the 1930s.
In 1884 Dr. Roger S. Tracy wrote "Hand-Book of Sanitary Information for Householders" which was published by D. Appleton and Company. The book contains "Facts and Suggestions about Ventilation, Drainage, Care of Contagious Diseases, Disinfection, Food, and Water". Dr. Tracy was the Sanitary Inspector of the New York City Health Department.
A curb box (also known as a valve box, buffalo box, b-box, or in British English stopcock chamber) is a vertical cast iron sleeve, accessible from the public way, housing the shut-off valve (curb cock or curb stop) for a property's water service line. [1] [2] [3] It is typically located between a building and the district's water main lines and ...
Stoplogs of a hydro power plant which can close the water flow to the turbine. Stoplogs are modular in nature, giving the operator of a gated structure the ability to control the water level in a channel by adding or removing individual stoplogs. A gate may make use of one or more logs.
Stopcocks are used to grossly regulate the flow of tap water in residential and commercial services. One is found at the junction of a water main and the branch leading to an individual service (allowing the service to be isolated from the main trunk), and a second inside the structure (allowing its plumbing to be isolated from the branch line leading into it).
These waterstops come in 25 m coils or in 2.0 - 2.5 m sections. Multi-purpose customized waterstops may also function as shuttering or crack-inducer for cold joints. Hydrophilic or "water-loving" waterstops are strips of rubber, modified with a hydrophilic agent (such as bentonite) so they swell in the presence of moisture to effectively seal ...
BS 4515-2: Specification for welding of steel pipelines on land and offshore. Duplex stainless steel pipelines PD 6705-2: Structural use of steel and aluminium. Recommendations for the execution of steel bridges to BS EN 1090-2 PD 6705-3: Structural use of steel and aluminium. Recommendations for the execution of aluminium structures to BS EN ...
As one of the most widely used rehabilitation methods, CIPP has applications in sewer, water, gas, chemical and district heating pipelines ranging in diameter from 0.1 to 2.8 meters (2–110 inches). The process of CIPP involves inserting and running a felt lining into a preexisting pipe that is the subject of repair.