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  2. Hydraulically activated pipeline pigging - Wikipedia

    en.wikipedia.org/wiki/Hydraulically_Activated...

    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 pig's cleaning head is accelerated by this pressure drop, forming strong cleaning jets.

  3. Pigging - Wikipedia

    en.wikipedia.org/wiki/Pigging

    A cleaning pig for a 710-millimetre (28 in) oil pipeline. The blue plastic disks seal against the inside of the pipe to propel the device and to remove loose sedimentation or scale buildup. The black rectangles at the top and the circular disks in the center are magnets to attract and remove any loose metal objects in the pipe.

  4. Ice pigging - Wikipedia

    en.wikipedia.org/wiki/Ice_Pigging

    Ice pigging is a technique used for cleaning pipes, distinguished from traditional pigging by the use of a semi-solid 'pig' made of ice, rather than a solid object. This ice pig is capable of flowing through pipes, navigating obstructions such as valves and variations in pipe diameter, due to its fluid-like properties.

  5. AGCO - Wikipedia

    en.wikipedia.org/wiki/AGCO

    Hesston 5670 round baler, in 2010. AGCO was established on June 20, 1990, when Robert J. Ratliff, John M. Shumejda, Edward R. Swingle, and James M. Seaver, who were executives at Deutz-Allis, bought out Deutz-Allis North American operations from the parent corporation Klöckner-Humboldt-Deutz AG (KHD), a German company which owned the Deutz-Fahr brand of agriculture equipment.

  6. Northern Tool - Wikipedia

    en.wikipedia.org/wiki/Northern_Tool

    Northern Tool + Equipment (commonly referred to as Northern Tool) is a manufacturer and retailer of light industrial equipment and do-it-yourself supplies.Founded in 1981 as Northern Hydraulics, the company was officially renamed to Northern Tool + Equipment and is the owner of several private label brands including NorthStar, Powerhorse, Klutch, Strongway, Ultra-Tow, Roughneck, Gravel Gear ...

  7. Pipeline video inspection - Wikipedia

    en.wikipedia.org/wiki/Pipeline_video_inspection

    The pipe segments may be made of cast iron, with 12 feet (3.7 m) to 20 feet (6.1 m) sections, but are more often made of vitrified clay pipe (VCP), a ceramic material, in 3 feet (0.91 m), 4 feet (1.2 m) & 6 feet (1.8 m) sections. Each iron or clay segment will have an enlargement (a "bell") on one end to receive the end of the adjacent segment.