国标法兰球阀B型不锈钢球阀性能规范SpecificationsNominal pressure:PN1.6,2.5,4.0,6.4MPaStrength testing pressure:PT2.4,3.8,6.0,9.6,MPa公称压力:PN1.6,2.5,4.0,6.4MPa Seat testing pressure(low pressure):0.6MPa强度试验压力:PT2.4,3.8,6.0,9.6,MPa Applicable media: 不锈钢球阀低压气密封试压力: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℃
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