Maintenance free sleeve compensator, also known as tubular expansion joint, is a compensation device for thermal fluid pipelines. It is mainly used to absorb and compensate for axial thermal expansion displacement that occurs after the auxiliary installation of straight pipelines. It is a compensator directly installed in any pipeline that transports non corrosive unidirectional or multi-directional fluids. Sleeve type compensator Widely used in transportation pipelines for urban heating, metallurgy, mining, power generation, petrochemicals, construction and other industries. It mainly consists of sleeves (core tubes), shells, sealing materials, etc.

The inner sleeve of the maintenance free sleeve compensator is connected to the pipeline and adopts the principle and structure of self pressure dynamic sealing. It can slide freely inside the shell with the expansion and contraction of the pipeline, and can adapt to the sealing requirements of any pipeline The new synthetic material seal is used between the outer shell and the inner sleeve, which can withstand corrosion and is suitable for temperatures ranging from -40 to 150 degrees Celsius, and can reach up to 350 degrees Celsius. It can slide axially and prevent leakage of the medium inside the tube

The maintenance free sleeve compensator is designed with an anti pull device, which can extend and retract to its position without being pulled apart, thereby improving the performance of the entire pipeline network operation.

Maintenance free sleeve compensator is suitable for medium engineering pressure ≤ 2.5MPa, medium temperature -40 ℃~600 ℃.

Maintenance free sleeve compensator, also known as sleeve compensator, injection type sleeve compensator, buried sleeve compensator, maintenance free sleeve compensator, sleeve expansion joint, sleeve compensator, etc.

The maintenance free sleeve compensator is designed with an anti pull device, which can be extended and retracted without being pulled apart, thereby improving the stability of the entire pipeline network operation.