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Gasket, gasket/cover or pressurizable flanges (such as that on the right of figure 2), are identifiable by the single circular groove which accommodates the O-ring. It is only necessary for one of the flanges in each pressurizable connection to be of this type; the other may have a plain flat face (like that in figure 1).
Narrow gauge flat wagons, 750 mm (2 ft 5 + 1 ⁄ 2 in). Note the single buffer with a hook on the right side and a chain on the other. On some narrow-gauge lines in Europe, and on the Paris Metro, a simplified version of the loose-coupler is used, consisting of a single central buffer with a chain underneath. Sometimes there are two chains, one ...
A special feature of the Schwab coupler is the inclined coupler face, which causes the coupler heads to slide past each other during coupling, so that snow and ice are scraped off the coupler faces in winter. [61] As of 2020 Schwab couplers are used primarily in Switzerland in regional rail passenger transport. [62]
A union also connects two pipes but is quite different from a coupling, as it allows future disconnection of the pipes for maintenance. In contrast to a coupling requiring solvent welding, soldering, or rotation (for threaded couplings), a union allows easy connection and disconnection multiple times if needed. It consists of three parts: a nut ...
A pair of gladhand connectors between railroad cars A gladhand connector on a trailer. A gladhand connector or gladhand coupler is an interlocking hose coupling fitted to hoses supplying pressurized air from a tractor unit to air brakes on a semi-trailer, [1] or from a locomotive to railway air brakes on railroad cars. [2]
Image credits: Frazer Harrison / Getty #5 Willow Smith. The 24-year-old bedazzled the red carpet in a shimmery bra and matching short bottoms. She paired it off with a black maxi blazer that ...
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