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Types of Coupling

Release Date:[8/12/2016]    Hit Count:[]

The many types of couplings and adaptors seem to overlap with each other with regard to application and installation. To help gaining a better understanding of the different options, the couplings can be divided into two main categories.

The dedicated couplings are the most simple in design and can only be used on specific pipe materials with a specific outside pipe diameter. In other words, the couplings do not allow for tolerances on the outside pipe diameter.  Given the simplicity of the design, these couplings are mostly used in situations where the customer has no demand for a tensile coupling, typically in new installations where the pipeline is connected to other pipes or stabilized in another way e.g. by means of backfilling with concrete. The limited application and the simple design will in most cases result in a low pricing.

The universal coupling offers flexibility with regard to the choice of pipe material and thus also with regard to the outside diameter of the pipe. Typically, the outside tolerance of the pipe may vary from 20 to 40 mm depending on the size of the coupling. In most markets this type of coupling is the customer’s preferred choice in situations where pipes need to be repaired or replaced in small sections. 



Tag: couplings, dedicated, tensile coupling, universal coupling
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