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How To Prevent Direct Buried Cable Connector Box From Entering Water

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Nowadays, the brand's direct buried optical cable is widely used in communication with its powerful functional features. However, we need to know that if the direct buried optical cable is not designed properly, it will cause the joint box to enter the water, for example, a joint box that is not suitable for direct buried optical cable. The structure, as well as the irregular introduction of the joint box will lead to water ingress, so how to effectively prevent the direct buried Fiber Optic Splice Closure from entering the water?
1. Reasonably improve the structure of direct buried optical cable joint box
Different structural joint boxes use different sealing processes, some use heat-shrinkable sleeve waterproof, and some use non-vulcanized rubber belt, which also makes the direct-buried cable have different moisture-proof effects. In order to better prevent water intrusion after the joint, it is necessary to improve the structure of the direct buried cable joint box under the premise of ensuring that the upper and lower covers of the joint box are integrated into one body, and the length of the optical cable bayonet is mainly extended by extending the upper and lower covers.

2, using water-resistant yarn tape as a sealing material
On the basis of maintaining the structure of the existing high-quality and durable direct-buried cable joint box, the water-repellent yarn tape which can be reused, chemically stabilized, resistant to bacteria and mold is used instead of the non-vulcanized rubber tape as a sealing material, which not only improves the straightness
The moisture-proof performance of the buried optical cable can reduce the operation and maintenance cost of the direct buried optical cable, and at the same time effectively prevent the damage caused by the sealing performance of the joint box due to the change of the terrain.
3. Prepare the work before introducing the optical cable.
When handling the direct-buried cable entering the lead-in part of the connector box, it must be ensured that the direct-buried cable is thoroughly roughened at this part, which can enhance the adhesion between the non-vulcanized rubber tape and the optical cable, and at the same time prevent the optical cable from sticking to impurities. The moisture resistance is reduced, the tape must be cleaned, and the specification of the operation such as tape stretching must be ensured.

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