『一下』-Q21F外螺纹食品球阀 性能规范Specifications | Nominal pressure:PN1.6,2.5,4.0MPa | | Strength testing pressure:PT2.4,3.8,6.0,9.6,MPa | 公称压力:PN1.6,2.5,4.0MPa | Seat testing pressure(low pressure):0.6MPa | 强度试验压力:PT2.4,3.8,6.0,9.6,MPa | Applicable media: | | | 低压气密封试验压力:0.6MPa | Q21F-(16-64)C Water.Oil.Gas | | 适用介质:Q21F-(16-64)C 水,油,气 | Applicable temperature:-29~280℃ | | 适用温度:-29~280℃ | Applicable media: | | | 适用介质:Q21F-(16-64)P 硝酸类 | Q21F-(16-64)P Nitric acid | | Q21F-(16-64)R 醋酸类 | Q21F-(16-64R Acetic acid | | 适用温度:-40~280℃ | Applicable temperature:-40~280℃ | | 主要零件材料Materials of main parts 零件名称 Description of parts | Q21F-(16-64)C | | | | | | | 阀盖Bonnet | WCB | ZG1Cr18Ni9i CF8 | ZG1Cr18Ni12Mo2Ti CF8M | | | | | | | | | | 聚四氟乙烯Polytetrafluorethylene(PTEE) | | 聚四氟乙烯Polytetrafluorethylene(PTEE) | |