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How to set up the support for the pipe of the ring static pipe to install the expansion joint

Pipe installation in the room Telescopic device According to the design requirements, the installation position of the fixed support and expansion device shall be indicated. because Pipe expander When the two axes work, they will bear the force. Therefore, the fixed support must be installed in the position required by the design, and it should be firmly fixed on the support with water pipe. The movable support shall not obstruct the movement of pipeline due to thermal expansion. When the pipe is dragged on the metal pad of the bearing beam or rubber bearing, the support shall not be inclined or the sliding bracket shall be stuck. The sliding support should be convenient, and a gap of 3-5mm should be left between the sliding bracket and the guide groove to ensure a certain displacement value.
For indoor and outdoor pipelines with expansion (expansion force), 1-2 guide supports shall be installed on both sides of the expansion device to ensure that the pipeline does not deviate from the axis during the expansion of the support; the guide bracket in the insulation pipe shall be set according to the total number of design requirements, and if too many are selected, it will hinder the free closing of the pipeline; the support installed on the wall shall be close to the distance between the pipe middle and the wall According to the design requirements, the clear distance between the protective layer surface of general thermal insulation pipeline and the wall or column head surface shall not be less than 60mm; the clear distance between the vertical and branch pipes without thermal insulation and the wall shall be 30mm. When installing the pipe expansion joint, pre stretching shall be done according to the standard requirements during prefabrication, and records shall be made. It is fixed according to the position and well connected with the pipeline.
During the pipeline installation, the construction sketches of pipe separation, reducing, reserved pipe orifice, expansion device and gate valve parts shall be drawn according to the design drawings, and the specific installation structural parts shall be marked. The accurate installation dimensions shall be measured according to the marks and recorded on the construction sketch, and then the prefabrication and processing shall be carried out according to the specifications measured in the sketch. Generally, the actual operation is just started from the general inlet to the outlet, and temporary plug is added at the edge of the main inlet for pressure test. Before installation, the prefabricated pipes shall be transported to the installation site and removed according to the sequence number. Before installation, the pipe bore shall be cleaned, the threaded pipes shall be coated with lead oil and wrapped with hemp. The pipe tongs shall be tightened according to the serial number, and 2 to 3 sets of screw threads shall be exposed. After installation, straighten and align, check the position, direction and diameter change of nozzle, eliminate hemp head, and add temporary plug to all pipe orifices.
The casing pipe and fixed support shall be added at the wall crossing of the boiling water pipe according to the design requirements, the expansion joint shall be installed, and the stretching shall be done according to the regulations. After the installation of the pipe fixed clamp, the pre stretched support shall be removed and the gradient shall be adjusted. Turn over the high point to have watering flowers, the bottom point has drainage device.

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