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The importance of accuracy of telescopic installation

    Telescopic device Also known as expansion joint, expansion joint Compensator Expansion joint It is made of stainless steel. The expansion device can be axially retracted within a certain range, and it can also overcome the offset caused by different axial joints of the pipeline in a certain angle. It can greatly facilitate the installation and disassembly of the valve pipeline. It can freely expand and expand in the allowable expansion amount of the pipeline. Once it exceeds the large expansion amount, it will play a limit to ensure the safe operation of the pipeline. In order to ensure the safe operation of the pipeline, it has the following functions: compensating the axial, transverse and angular thermal deformation of the absorption pipeline; absorbing the equipment vibration to reduce the impact of equipment vibration on the pipeline; absorbing the deformation of the pipeline caused by earthquake and ground subsidence.

When installing the expansion joint, it is necessary to ensure that the center line is consistent with the pipeline, Pipe expander Calculation method of center line during installation:

1. We all know that the unit used to calculate the installation of the pipe expansion joint is "meter", and do not deduct the length of the expansion device, valve or pipeline.

2. Understand the accessories and value in addition to the expansion joint in the pipeline.

3. List the units of the parts of the pipe itself before installing the expansion joint, and then calculate it after excluding the units in the design. The unit of the pipe itself remains unchanged.

4. When calculating the center line at the same time, do not exclude the welding units.

5. Connect the various fittings on the pipeline with the flange with the pressure of 0.6MPa, regardless of the pressure range, calculate the quantity and specification according to the design requirements.

6. When the gas meter needs to calculate the center line, we should use the block as the unit for calculation, and the engineering quantity can be calculated separately.

The quality of the expansion joint produced by Shanghai Huanjing pipeline equipment Co., Ltd. is up to ~ standard. Each step has been strictly inspected and tested. No unqualified product is allowed to leave the factory. The product quality is worthy of your trust.

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