The plastic drag chain looks like a tank chain and is composed of many unit links, which rotate freely. The same series have the same inner height, outer height, pitch, inner width and bending radius R. The manufacturer can also install spacers inside the drag chain according to user requirements to separate the internal space.
The selection of plastic drag chain can be divided into two cases, one is the selection of new equipment. When selecting the type, the technology needs to know the wire, pipe diameter and quantity to be laid inside the drag chain. Choose a larger diameter plus at least 15% of the active space as the inner height, and the inner width is to add the diameters of all wires and tubes together, plus at least 15% of the active space. The bending radius is greater than the larger bending degree in the line and pipe. In this way, the model and specification of the drag chain are determined, and the length can be calculated.
The other is to replace the old equipment. This kind of equipment is more convenient. Directly measure the inner height, inner width, bending radius and length of the original drag chain.
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