The expansion joint is based on the original characteristics of the loose expansion joint and adds a limit device. Double nuts are required to lock the expansion joint at the larger expansion amount. The pipeline can expand and contract freely within the allowable expansion amoun

2024/11/2523:27:32 home 1075

expansion joint is based on the original characteristics of the loose sleeve expansion joint and adds a limiter device. Double nuts are required to lock the larger expansion amount. The pipeline can expand and contract freely within the allowable expansion amount. Once the maximum expansion amount is exceeded, it will be limited to ensure the stable operation of the pipeline. It is especially suitable for connections in pipelines with vibration or sharp turns at a certain slope. Brief installation instructions: It is suitable for connecting to the flange on one side, and welding the other side to the pipe. During installation, adjust the length of the connection between the flange on both sides of the product, tighten the gland bolts evenly at the top corners, and then adjust the limit nut. This allows the pipeline to expand and contract freely within the expansion range, locks the expansion and contraction, and ensures the stable operation of the pipeline.

expansion joint is mainly composed of expansion tube , itself, pressure plate, pressure plate anchor screws, limit switch anchor screws, and packing. Mainly used in heating pipes, distribution pipes change specifications due to thermal expansion and contraction. Expansion joint rubber products are generally packing. The raw materials include: asbestos packing and graphite packing. This rubber product has certain temperature resistance and lubricity and can withstand the temperature of chemical substances. In addition, the expansion joint lubricates the expansion tube during operation. , so that the telescopic pipe can expand and contract at will; asbestos packing is used in pipes where the chemical substance is boiling water, and the withstand temperature is 100°C below; graphite packing is used in pipes where the chemical substance is steam, and the withstand temperature is below 200°C; when the temperature is higher, rubber products use graphite rings that are resistant to high temperature and friction, and the withstand temperature is below 300°C, and also expands and shrinks The pipe has also undergone stainless steel treatment; other raw materials are: Q235 alloy steel. The quality of the

expansion joint is very good. Although it is not prone to deformation, if it is transported for a long time, try to avoid this situation. If the expansion joint deforms itself, subsequent use will be greatly affected. After transportation is completed, the expansion joint manufacturer should conduct follow-up inspections as much as possible to ensure that there are no problems with the expansion joints. If deformation or other problems occur during transportation, it is recommended to replace it immediately to avoid affecting the subsequent overall project.

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