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Comparison of thread connection and clamp connection technology
Date:2020-06-19      View(s):123      Tag:Comparison of thread connection and clamp connection technology

1. During the installation in the pipeline, the quality requirements of the threaded connection are higher, and the thread processing is more difficult. For some large steel pipes, even with construction experience, high-level construction, installation and construction teams are more difficult, and this clamp connection method can overcome these difficulties, because as long as the clamps of the pipe are butted, the nut can be tightened.


2. threaded connections, high pressure piping systems is difficult to meet the requirements. In practice, for the operating pressure exceeds 1MPa piping system, using threaded connection, it is difficult to ensure that no leakage, but with clamp connection method can meet the installation requirements are relatively higher operating pressure piping systems.


3. It is difficult to install or use the pressure test of the thread connection process of the entire system, and pipeline leakage occurs after maintenance. Either a large area removal, replacement pipe fittings, pipes, or cut off the pipeline, with the welding tool repair. The former because a lot of demolished normal channels, thus greatly increasing the amount of maintenance work, while the latter uses a construction maintenance method specification is not allowed because of galvanized steel by welding, heat destroys the galvanized layer, so that the pipe joints at the long-term use may affect water quality, and even leaking, especially the fire sprinkler system. For this shortcoming, the clamp connection technology embodies a greater advantage. If some pipelines or a pipeline leaks, the clamp nuts at both ends of the pipeline and the joints can be replaced by opening, which is very convenient, can greatly reduce the rework of installation engineering, and can also reduce the maintenance workload during normal use.

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