全金属硬密封双向零泄漏三偏心蝶阀设计与分析
余瑞明,马云艳,池伟,沈宇忠

Design and analysis of all-metal hard sealing bidirectional zero-leakage triple eccentric butterfly valve
Ruiming YU,Yunyan MA,Wei CHI,Yuzhong SHEN
表2 阀体耐压试验和正反向高压密封试验结果
Table 2 Results of valve body pressure test and positive and negative high-pressure sealing test
测试项目耐压试验高压密封试验
正向反向
保压时间/s300240240
压力/MPa2.401.801.80
保压压降/MPa000
泄漏量/(mL/min)000