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  2. External floating roof tank - Wikipedia

    en.wikipedia.org/wiki/External_floating_roof_tank

    The roof rises and falls with the liquid level in the tank. [1] As opposed to a fixed roof tank there is no vapor space in the floating roof tank (except for very low liquid level situations). In principle, this eliminates tank breathing loss and greatly reduces the evaporative loss of the stored liquid. There is a rim seal system between the ...

  3. Storage tank - Wikipedia

    en.wikipedia.org/wiki/Storage_tank

    Some storage tanks need a floating roof in addition to or in lieu of the fixed roof and structure. This floating roof rises and falls with the liquid level inside the tank, thereby decreasing the vapour space above the liquid level. Floating roofs are considered a safety requirement as well as a pollution prevention measure for many industries ...

  4. Fixed roof tank - Wikipedia

    en.wikipedia.org/wiki/Fixed_roof_tank

    Fixed roof tank. A fixed roof tank is a type of storage tank, used to store liquids, consisting of a cone- or dome-shaped roof that is permanently affixed to a cylindrical shell. Newer storage tanks are typically fully welded and designed to be both liquid- and vapor-tight. Older tanks, however, are often riveted or bolted, and are not vapor tight.

  5. Float glass - Wikipedia

    en.wikipedia.org/wiki/Float_glass

    Float glass. Float glass is a sheet of glass made by floating molten glass on a bed of molten metal of a low melting point, typically tin, [1] although lead was used for the process in the past. [2] This method gives the sheet uniform thickness and a very flat surface. [3] The float glass process is also known as the Pilkington process, named ...

  6. Dry-seal Wiggins gasholder - Wikipedia

    en.wikipedia.org/wiki/Dry-seal_Wiggins_gasholder

    A dry-seal gasholder can be designed to have a gross (geometric) volume ranging from 200 to 165,000 m 3 (7,100 to 5,826,900 cu ft), whilst having a working pressure range between 15 and 150 millibars (1.5 and 15.0 kPa). The dry-seal gasholder is finished with an anti-corrosive treatment to counteract local climatic conditions and also any ...

  7. Flashing (weatherproofing) - Wikipedia

    en.wikipedia.org/wiki/Flashing_(weatherproofing)

    Shaped like a “U” or channel to catch water (e.g., where the edge of a tile roof meets a wall). Through wall flashing Spans the thickness of the wall and directs water to weep holes. Cap flashing (drip cap) Often used above windows and doors. Drip edge A metal used at the edges of a roof. Step flashing (soaker, base flashing)

  8. Weatherstripping - Wikipedia

    en.wikipedia.org/wiki/Weatherstripping

    Weatherstripping is the process of sealing openings such as doors, windows, and trunks from the waters above. The term can also refer to the materials used to carry out such sealing processes. The goal of weatherstripping is to prevent rain and water from entering entirely or partially and accomplishes this by either returning or rerouting ...

  9. Isolation tank - Wikipedia

    en.wikipedia.org/wiki/Isolation_tank

    The tank is filled with 10 inches (25 cm) of water which contains enough dissolved Epsom salt to create a specific gravity of approximately 1.25–1.26, enabling a person to float freely with their face above the water. In order to reduce thermal sensations, the water in the float tank is maintained at approximately skin temperature, around 35 ...

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