The safety valve of cracking furnace in Liaohua Olefin Plant leaked, DN100PN12.0MPa, and the temperature was 360 C. The leak plugging was successfully carried out with special fixture and high temperature glue.

Liaoyang Xiangyue Sealing Engineering Co., Ltd. is a holding subsidiary of Tianjin Xiangyue Sealing Materials Co., Ltd. It is a well-known enterprise specializing in non-stop pressure sealing, pressure opening, pressure sealing engineering technology services and product development, research, promotion and application, and integrating science, industry and trade. Since the company passed the GB/T 19001-2000 quality management system certification, with its scientific and strict quality assurance system, to ensure that product and service quality is in the leading position in the industry.