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  2. Compressed air - Wikipedia

    en.wikipedia.org/wiki/Compressed_air

    Air compressor station in a power plant. In industry, compressed air is so widely used that it is often regarded as the fourth utility, after electricity, natural gas and water. However, compressed air is more expensive than the other three utilities when evaluated on a per unit energy delivered basis. [9]

  3. Compressed-air vehicle - Wikipedia

    en.wikipedia.org/wiki/Compressed-air_vehicle

    The tanks must be designed to safety standards appropriate for a pressure vessel, such as ISO 11439. [6]The pressure vessels or air storage tanks that can be used in compressed-air vehicles can be made for low pressure (9 atm (130 psi)) or high (more than 240 atm (3,500 psi)), and can be made of composite materials like thermoplastic and fiber-reinforced thermoplastics, [7] [8] that means that ...

  4. Air compressor - Wikipedia

    en.wikipedia.org/wiki/Air_compressor

    Air compressor supplies air into a nail gun.. An air compressor is a machine that takes ambient air from the surroundings and discharges it at a higher pressure. It is an application of a gas compressor and a pneumatic device that converts mechanical power (from an electric motor, diesel or gasoline engine, etc.) into potential energy stored in compressed air, which has many uses.

  5. Pressure regulator - Wikipedia

    en.wikipedia.org/wiki/Pressure_regulator

    A typical nominal regulated gauge pressure from a medical oxygen regulator is 3.4 bars (50 psi), for an absolute pressure of approximately 4.4 bar and a pressure ratio of about 4.4 without back pressure, so they will have choked flow in the metering orifices for a downstream (outlet) pressure of up to about 2.3 bar absolute.

  6. Compressor - Wikipedia

    en.wikipedia.org/wiki/Compressor

    Natural gas compressor at a gas well High pressure reciprocating compressor from Belliss and Morcom, used in the bottling industry. A compressor is a mechanical device that increases the pressure of a gas by reducing its volume. An air compressor is a specific type of gas compressor.

  7. Work in compressed air - Wikipedia

    en.wikipedia.org/wiki/Work_in_compressed_air

    Traditionally, compressed air work was limited to maximum ambient pressures of between 3 and 4 bars (3.0 and 3.9 atm), but experience with offshore saturation diving shows that higher pressures can be managed at acceptable risk using the techniques developed in that industry, including saturation exposures and the use of breathing gases other than air.

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  9. Compressor station - Wikipedia

    en.wikipedia.org/wiki/Compressor_station

    Frequent elevation changes and a greater number of gas wells will require more compressor stations. [2] The compressor station, also called a pumping station, is the "engine" that powers a long-distance gas pipelines. As the name suggests, the station compresses the gas (increasing its pressure) thereby providing additional energy to move it ...