上装式/顶装式双向偏心半球阀
DYQ340F-10C/P/R | DYQ340F-16C/P/R | DYQ340F-25C/P/R | DYQ340F-40C/P/R | DYQ340F-64C/P/R |
DYQ640F-10C/P/R | DYQ640F-16C/P/R | DYQ640F-25C/P/R | DYQ640F-40C/P/R | DYQ640F-64C/P/R |
DYQ740F-10C/P/R | DYQ740F-16C/P/R | DYQ740F-25C/P/R | DYQ740F-40C/P/R | DYQ740F-64C/P/R |
DYQ940F-10C/P/R | DYQ940F-16C/P/R | DYQ940F-25C/P/R | DYQ940F-40C/P/R | DYQ940F-64C/P/R |
DYQ340H-10C/P/R | DYQ340H-16C/P/R | DYQ340H-25C/P/R | DYQ340H-40C/P/R | DYQ340H-64C/P/R |
DYQ640H-10C/P/R | DYQ640H-16C/P/R | DYQ640H-25C/P/R | DYQ640H-40C/P/R | DYQ640H-64C/P/R |
DYQ740H-10C/P/R | DYQ740H-16C/P/R | DYQ740H-25C/P/R | DYQ740H-40C/P/R | DYQ740H-64C/P/R |
DYQ940H-10C/P/R | DYQ940H-16C/P/R | DYQ940H-25C/P/R | DYQ940H-40C/P/R | DYQ940H-64C/P/R |
DYQ340Y-10C/P/R | DYQ340Y-16C/P/R | DYQ340Y-25C/P/R | DYQ340Y-40C/P/R | DYQ340Y-64C/P/R |
DYQ640Y-10C/P/R | DYQ640Y-16C/P/R | DYQ640Y-25C/P/R | DYQ640Y-40C/P/R | DYQ640Y-64C/P/R |
DYQ740Y-10C/P/R | DYQ740Y-16C/P/R | DYQ740Y-25C/P/R | DYQ740Y-40C/P/R | DYQ740Y-64C/P/R |
DYQ940Y-10C/P/R | DYQ940Y-16C/P/R | DYQ940Y-25C/P/R | DYQ940Y-40C/P/R | DYQ940Y-64C/P/R |
主要零件材料名称 | 材质 |
阀体 | QT450、WCB、ZG20CrMo、ZG1Cr18Ni9Ti |
阀轴 | 2Cr13、1Cr13 |
阀瓣 | 合金渗氮钢、渗氮不锈钢、耐磨钢 |
阀座 | 合金渗氮钢、渗氮不锈钢、耐磨钢 |
轴承 | 铝青铜、FZ-1复合材料 |
填料 | 聚四氟乙烯、柔性石墨 |
上装式偏心半球阀主要性能规范 Main specifications
公称压力 Nominal pressure | 0.6 | 1.0 | 1.6 | 2.0 | 2.5 | 4.0 | 5.0 | 6.4 | 10 | |
壳体试验压力 Shell test pressure | 0.9 | 1.5 | 2.4 | 3.0 | 3.8 | 6.0 | 7.5 | 9.6 | 15 | |
高压密封试验 High pressure tight test | 0.66 | 1.1 | 1.8 | 2.2 | 2.8 | 4.4 | 5.5 | 7.1 | 11 | |
适用介质及温度℃ | DYQ40F型 | 水、蒸汽、纸浆等溶液 | ||||||||
DYQ40Y型 | 天然气、煤气、液化气、原油、重油 Natural gas,coal gas,liquefied gas,crude oil,and heavy oil,t ≤425℃ | |||||||||
DYQ40H型 | 溶液、矿浆、氧化铝粉、煤粉、煤灰、含尘气体、废渣等 |
说明:1、本产品法兰连接尺寸按GB/T 9113.1-2000.ASME/ANSI 16.5规定的突面法兰;
2、结构长度参照GB 12221-2005,ASNE B16.10的规定;
3、制造和验收技术条件参照GB12237-89,API 6D;
4、压力试验按JB/T9092-1999,GB/T13927-92,AP1598的要求。