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  2. Fire-tube boiler - Wikipedia

    en.wikipedia.org/wiki/Fire-tube_boiler

    A fire-tube boiler is a type of boiler invented in 1828 by Marc Seguin, [1] in which hot gases pass from a fire through one or more tubes running through a sealed container of water. The heat of the gases is transferred through the walls of the tubes by thermal conduction , heating the water and ultimately creating steam .

  3. Pipe marking - Wikipedia

    en.wikipedia.org/wiki/Pipe_marking

    Health and Safety (Safety Signs and Signals) Regulations 1996, [9] Provision and Use of Work Equipment Regulations 1998, [1] The regulations require that vessels containing hazardous substances together with the pipes containing or transporting such substances must be labelled or marked with the relevant hazard pictograms or pipe marking.

  4. Piping and instrumentation diagram - Wikipedia

    en.wikipedia.org/wiki/Piping_and_instrumentation...

    A diagram which shows the interconnection of process equipment and the instrumentation used to control the process. In the process industry, a standard set of symbols is used to prepare drawings of processes. The instrument symbols used in these drawings are generally based on International Society of Automation (ISA) Standard S5.1

  5. ISO 10628 - Wikipedia

    en.wikipedia.org/wiki/ISO_10628

    ISO 10628 Diagrams for the chemical and petrochemical industry specifies the classification, content, and representation of flow diagrams. It does not apply to electrical engineering diagrams. ISO 10628 consists of the following parts: Part 1: Specification of Diagrams (ISO 10628-1:2014) [1] Part 2: Graphical Symbols (ISO 10628-2:2012)

  6. Limiting oxygen concentration - Wikipedia

    en.wikipedia.org/wiki/Limiting_oxygen_concentration

    The concept has important practical use in fire safety engineering. For instance, to safely fill a new container or a pressure vessel with flammable gases, the atmosphere of normal air (containing 20.9 volume percent of oxygen) in the vessel would first be flushed (purged) with nitrogen or another non-flammable inert gas, thereby reducing the ...

  7. NFPA 1901 - Wikipedia

    en.wikipedia.org/wiki/NFPA_1901

    NFPA 1901, the Standard for Automotive Fire Apparatus, is published by the National Fire Protection Association to outline the standard for firefighting apparatus. The listing sets minimum standards for mechanical, cosmetic, lighting, and all equipment to be included with fire apparatus to be standards compliant in the United States. [1]

  8. The blimp is back – and this time, it’s tiny - AOL

    www.aol.com/blimp-back-time-tiny-074942245.html

    The helium-filled blimps are fitted with solar panels and backup batteries to power their engines, have a flight time of up to 12 hours and a range of up to 400 kilometers (249 miles), flying at a ...

  9. LaMont boiler - Wikipedia

    en.wikipedia.org/wiki/LaMont_boiler

    A LaMont boiler is a type of forced circulation water-tube boiler [1] in which the boiler water is circulated through an external pump through long closely spaced tubes of small diameter. The mechanical pump is employed in order to have an adequate and positive circulation in steam and hot water boilers.