High-performance sphere valve, which can resists high temperature, high pressure, wearing, thermal impact and heat erosion, is one of key components used in coal liquefaction engineering, steel smelting, petroleum chemical engineering and nuclear power. 在煤液化工程、钢铁冶炼、石油化工、核电等重大工程项目中,耐高温、耐高压、耐磨损、抗热冲击、抗热腐蚀球阀一直是关键部件之一。