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Mated rubber grommets provide a positive seal. [6] Gladhand couplers are typically genderless or hermaphroditic, [1] allowing them to be freely connected to each other, for example allowing either end of a railcar to be connected to the end of a train. North America has a system of standardized gladhand sizes. [1]
Grommets are generally used whenever wires pass through punched or drilled sheet metal or plastic casings for this reason. [6] Molded and continuous strip grommets, also known as edge grommets, are manufactured in a wide variety of sizes and lengths expressly for this purpose; they are usually a single piece which can be inserted by hand.
Cable grommets. A cable grommet is a tube or ring through which an electrical cable passes. They are usually made of rubber or metal. [1]The grommet is usually inserted in holes in certain materials in order to protect, improve friction or seal cables passing through it, from a possible mechanical or chemical attack.
For routing pre-terminated cables (cables with connectors), split cable glands can be used. These cable glands consist of three parts (two gland halves and a split sealing grommet) which are screwed with a hexagonal locknut (like normal cable glands). Thus, pre-assembled cables can be routed without removing the plugs.
The soft sealant (a solid rubber-like component, not a liquid or paste), which surrounds the elements being sealed, and when compressed by axial force creates a hermetic seal. The continuous tension in the torqued body acts like a spring to maintain compression on the sealant and maintain a positive seal.
A wire rope terminated with a ferrule (left) and a thimble (right) Picco pipe with nickel silver ferrule Non-circular ferrules holding bristles of a brush to its handle. A ferrule (a corruption of Latin viriola "small bracelet", under the influence of ferrum "iron") is any of a number of types of objects, generally used for fastening, joining, sealing, or reinforcement.
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