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What parameters need to be known when purchasing a 3D spherical compensator? A three-dimensional spherical compensator is a device used to address the thermal expansion and contraction of pipes, and it can be widely applied in industries such as metallurgy, petroleum, chemicals, power generation, light industry, textiles, construction, and defense. The spherical compensator is fixed to one of the tube sheets using methods such as the expansion method or welding, thereby changing the flow pattern of the cooling medium and improving the heat transfer coefficient as well as the heat transfer efficiency. This product features reliable performance, high heat transfer efficiency, no scaling, long service life, and low thermal stress. 1. Status: The operating condition of the compensator, as well as the location where it is installed in accordance with the correct installation methods for such compensators, or with the appropriate amount of compensation taken into account for the pipeline. 2. Pressure: The pressure at which the compensator is used in actual operation, as well as the operating pressure in Mpa. 3. Medium: The product medium transported by the compensator, as well as its chemical properties; the material of the compensator and the materials used for its connections are selected based on these properties of the product medium. 4. Temperature: The appropriate material is selected based on the operating temperature of the medium inside the compensator in °C, as well as the ambient temperature during operation. 5. Dimensional compensation amount: The compensation amount selected based on the nominal diameter of the compensator, the connection method, as well as dimensional and installation requirements.