Introduction of Knowledge about Steel Tube Steel Prefabricated with Direct Thermal Insulation For the steel sleeve steel high temperature prefabricated direct-buried thermal insulation steel pipe, the most important first is the quality. Because the buried steel sleeve steel insulation pipe is generally used to transport high-temperature high-pressure hatch cover bronze bearing pad in ptfe lubricant lubripad, pipeline leakage if the quality of failure or failure of such problems, then the loss will be very large, there may be accidents. So we in the procurement of GCr15 steel sleeve when we must pay attention to product quality, not just for the sake of cheap, quality and price is a degree, cost-effective to do, not cheap on the line. Directly buried steel steam pipe in the steel industry has been applied, and 45 sets of steel is being more widely recognized and applied, the following project on our recent construction of the Department of direct buried steel pipe steam pipe construction process simple to talk about Their own views. First of all, we first understand the installation of steel pipe steel pipe installation process: Steel sets of steel is basically the same process and other heat pipe construction process, mainly in the pipeline prefabrication, the elbow production is different, Second, we talk about steel steam pipe Oil Sintered Bronze Bush the main process of construction methods: Participate in the construction personnel must be familiar with the drawings, pipe system to understand the working principle of the installation process requirements, precautions, so that everyone clearly their own tasks and to achieve the quality standards. Preparation Technical personnel according to the drawings required materials plan, material plan should indicate the model specifications, material, quantity and standard number. The material used in this project is a regular and famous manufacturers of products, and must have the material that the certificate and the corresponding certificate, the necessary circumstances should go to the factory inspection, the valve must have pressure test records, the bulk density of insulation materials Must meet the design requirements, and the quality of qualified, custodians must enter the material inspection, good records. Measurement and pay-off Reference to the civil transfer of information, check the civil engineering professional position is correct, the depth of the trench, width, and do a good job in re-inspection records, if there are ultra-poor or wrong place must be reported to the owners and designers, as soon as possible. Construction personnel clearly understand the heating pipeline, along the structure, the status of the building, the buried part of the underground structures and obstacles to clear the situation in the event of underground obstacles,sleeve bearing, must be promptly reported to the owners or designers, if necessary, Piping should be bypassed or changed. In accordance with the drawings requirements, pay-off line should be thin and clear.


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