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  2. Mechanical connections - Wikipedia

    en.wikipedia.org/wiki/Mechanical_connections

    Rebar coupler. Mechanical couplers can be advantageous in comparison with conventional methods of lap splicing because of the requirement for less steel for overlapping. It is more effective in the seismic detailing to avoid reinforcement congestion problems. [3] The couplers are also used in pre-cast construction. [4]

  3. Railway coupling - Wikipedia

    en.wikipedia.org/wiki/Railway_coupling

    The SA3 coupler is one of the strongest couplers in the world – maximum tonnage of a train that uses this type of coupler is about 8000 t [31] – but provides only mechanical coupling. [24] Adding automatic electrical and pneumatic connectivity is a complex challenge.

  4. Railway coupling by country - Wikipedia

    en.wikipedia.org/wiki/Railway_coupling_by_country

    Type F interlocking couplers on upcoming PNR narrow-gauge flatcars. [37] Type H tightlock coupling on most PNR rolling stock starting with the 900 class. Link and pin couplers on the Hawaiian Philippine Company of Negros Island. [38] Older Manila Railroad stock also use link and pin alongside English couplers. Scharfenberg couplers on the MRT ...

  5. Piping and plumbing fitting - Wikipedia

    en.wikipedia.org/wiki/Piping_and_plumbing_fitting

    A gasket encompassed by coupling housing is wrapped around the two pipe ends, with the coupling engaging the groove; the bolts and nuts are tightened with a socket or impact wrench. The installed coupling housing encases the gasket and engages the grooves around the pipe to create a leakproof seal in a self-restrained pipe joint.

  6. Rebar - Wikipedia

    en.wikipedia.org/wiki/Rebar

    Mechanical couplers are an effective means to reduce rebar congestion in highly reinforced areas for cast-in-place concrete construction. These couplers are also used in precast concrete construction at the joints between members. The structural performance criteria for mechanical connections varies between countries, codes, and industries.

  7. Dextra Manufacturing - Wikipedia

    en.wikipedia.org/wiki/Dextra_Manufacturing

    Dextra manufactures various brands of mechanical splices and anchorages, designed in accordance with the differing levels of performance criteria found throughout the world. The most common features of Dextra's Rolltec, Bartec, and Griptec splices are that they are all "parallel-threaded" systems.

  8. Grinnell Mechanical Products - Wikipedia

    en.wikipedia.org/wiki/Grinnell_Mechanical_Products

    Grinnell grooved products include grooved couplings, grooved fittings, mechanical tees, valves, circuit balancing valves, copper systems, stainless steel systems, plain end systems, HDPE systems, PVC systems, G-PRESS systems, gaskets and spare parts, and preparation equipment, as well as accessories, such as strainers, tee strainers, suction diffusers, dielectric waterway transition fittings ...

  9. PNR EM10000 class - Wikipedia

    en.wikipedia.org/wiki/PNR_EM10000_class

    The PNR EM10000 class is an electric multiple unit commuter trainset that will be operated by the Philippine National Railways on the North–South Commuter Railway.Prior to the reveal of its numbering scheme in October 2021, the train was known as the PNR Sustina Commuter.