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在对法兰密封常用垫片进行了大量室温条件下的试验研究的基础上，为了解决高温工况下的法兰密封问题，研制了专用的垫片高温性能试验装置，成功地解决了装置的升温与控温，以及高温条件下的加载与卸载、垫片变形和泄漏率测量等技术难点；经过３００多小时的垫片高温性能试验，得到了令人满意的结果．表明该装置达到了预期设计目标，已基本上具备了进行垫片高温性能试验的条件．
In order to solve the problem of flange sealing under high temperature conditions, a special gaskets high-temperature performance test device was developed based on the experimental research on a large number of flange gasket gasket at room temperature, successfully solved the Temperature and temperature control, as well as the loading and unloading under high temperature conditions, gasket deformation and leakage rate measurement and other technical difficulties; after more than 300 hours of high-temperature gasket performance test, satisfactory results were obtained. Indicating that the device has reached the expected design goals, basically have the conditions for high temperature performance test pads.