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1、DL / T 9222005中华人民共和国电力行业标准火力发电用钢制通用阀门订货、验收导则Guide rule of order and acceptance forgeneral steel valves used in thermal power plantDLT 92220051 范围 本标准规定了火力发电用钢制通用阀门的选型、订货和验收的有关要求。 本标准适用于最高工作温度不大于600，最高公称压力不大于60.0MPa的火力发电用铸造、锻造、法兰、焊接、对夹及螺纹连接式的钢制闸阀、截止阀、节流阀、止回阀、蝶阀、球阀、旋塞阀等各类通用阀门。2 标准性援用文件 以下文件中的条款通过本标准的
2、援用而成为本标准的条款。但凡注日期的援用文件，其随后所有的修正单（不包括订正的内容）或修订版均不适用于本标准，然而，鼓舞依照本标准达成协议的各方研究是否可使用这些文件的最新版本。但凡不注日期的援用文件，其最新版本适用于本标准。GB/T 3323 钢熔化焊对接接头射线照相和质量分级GB/T 4622.13 缠绕式垫片GB/T 6414 铸件尺寸与机械加工余量GB/T 9113.1 平面、突面整体钢制管法兰GB/T 9113.2 凹凸面整体钢制管法兰GB/T 9113.3 榫槽面整体钢制管法兰GB/T 9113.4 环连接面整体钢制管法兰GB/T 9115.1 平面、突面对焊钢制管法兰GB/T 9
3、115.2 凹凸面对焊钢制管法兰GB/T 9115.3 榫槽面对焊钢制管法兰GB/T 9115.4 环连接面对焊钢制管法兰GB/T 9124 钢制管法兰 技术条件GB/T 12221 法兰连接金属阀门 构造长度GB/T 12222 多回转阀门驱动装置的连接GB/T 12223 部分回转阀门驱动装置的连接GB/T 12224 钢制阀门 一般要求GB/T 12228 通用阀门 碳素钢锻件技术条件GB/T 12229 通用阀门 碳素钢铸件技术条件GB/T 12230 通用阀门 奥氏体钢铸件技术条件GB/T 12234 通用阀门 法兰和对焊连接钢制闸阀GB/T 12235 通用阀门 法兰连接钢制截止阀
4、和升降式止回阀2005-02-14 发布 2005-06-01 施行中华人民共和国国家开展和改革委员会 发 布GB/T 12236 通用阀门 钢制旋启式止回阀GB/T 12237 通用阀门 法兰和对焊连接钢制球阀GB/T 12238 通用阀门 法兰和对夹连接蝶阀GB/T 13927 通用阀门 压力试验GB/T 15188.1 阀门的构造长度 对焊连接阀门GB/T 15188.2 阀门的构造长度 对夹连接阀门GB/T 15188.3 阀门的构造长度 内螺纹连接阀门GB/T 15188.4 阀门的构造长度 外螺纹连接阀门DL/T 531 电站高温高压截止阀、闸阀技术条件DL/T 746 电站蝶阀选
5、用导则DL/T 869 火力发电厂焊接技术规程JB/T 1613 锅炉受压元件 焊接技术条件JB/T 5263 电站阀门铸钢件 技术条件JB/T 6439 阀门受压铸钢件磁粉探伤检验JB/T 6440 阀门受压铸钢件射线照相检验JB/T 6902 阀门铸钢件液体浸透检查方法JB/T 6903 阀门锻钢件超声波检查方法JB/T 7370 柔性石墨编织填料JB/T 7927 阀门铸钢件 外观质量要求JB/T 8528 一般型阀门电动装置技术条件JB/T 8529 隔爆型阀门电动装置技术条件JB/T 9625 锅炉管道附件承压铸钢件技术条件JB/T 9626 锅炉锻件技术条件ANSI Bl6.34
6、法兰 螺纹和焊接端连接的阀门3 订货根本要求3.1 材料阀门耐压件主体材料见表1。表1 耐压部位的主体材料钢 种铸 钢锻钢件或棒料最高适用温度碳素钢WCB或25427ASTMA216WCB或ASIMA1050.5%钼钢WC1或ASTMA182F1468ASTMA217WC11.25%铬WC6或15CrMo5400.5%钼钢ASTMA217WC6或ASTMA182F112.25%铬WC9或ASTMA182F225701%钼钢ASTMA217WC99铬1钼矾钢ASTMA217C12AASTMA182F916005%铬钼钢ZGCr5MoCr5Mo550铬钼矾钢ZG20CrMoV12Cr1MoVZG1
7、5Cr1Mo1V15Cr1Mo1V570奥氏体钢ZG1Cr18Ni9Ti1Cr18Ni9Ti650ZG1Cr18Ni12Mo2Ti1Cr18Ni12Mo2Ti阀门材料选用应符合以下有关标准要求，并提供材料的化学成分、力学功能及质量报告：a）铸钢件应符合JB/T 5263及JB/T 9625的规定：b）锻件应符合JB/T 9626的规定；c）碳素钢锻件应符合GB/T 12228的规定；d）碳素钢铸件应符合GB/T 12229的规定：e）不锈钢钢铸件应符合GB/T 12230的规定；f）柔性石墨编织填料应符合JB/T 7370的规定；g）缠绕式垫片应符合GB/T 4622的规定。3.2 压力一温度
8、额定值压力一温度额定值分为两类：标准压力级（第1类）和专用压力级（第2类），见表2表19，表中规定了各耐压部位的主体材料在一定使用温度下的最高同意压力。铬钼矾钢和奥氏体钢的压力一温度额定值按GB/T 9124的规定。法兰式阀门的使用压力不应大于法兰的许用压力和本标准规定的压力一温度额定值。a）第1类阀门，对应压力等级为PN16、PN20、PN25、PN40、PN50、PN63、PN67、PN100、PN110、 PN150、PN160、PN260、PN320、PN420、PN600时，见表2表6；对应压力等级为150、300、600、900、1500、2000、2500、3500磅级时，见表7
9、表11。第1类对法兰式及焊接式阀门都适用。b）第2类阀门，对应压力等级为PN260、PN320、PN420、PN600时，见表12表15；对应压力等级为1500、2000、2500、3500磅级时，见表16表19。此外，要在表示压力等级数字的末尾附上符号“”。第2类适用于焊接式阀门。表2 碳素钢WCB压力温度额定值（第1类）温度压力等级16254063100160320205067110150260420600分级表示的工作压力MPa-29381.62.02.54.15.26.57.09.610.415.616.526.332.743.460.7931.41.82.33.74.75.96.38
10、.59.514.215.023.729.739.555.41491.31.62.13.64.65.76.18.39.313.914.723.028.838.553.82041.11.41.93.44.45.66.08.28.913.414.222.327.837.152.02601.01.21.73.24.25.25.67.78.412.613.321.026.235.049.13150.81.01.42.83.84.85.17.17.711.512.219.324.032.044.93430.70.91.32.73.74.75.07.07.511.312.018.923.531.444.03
11、710.60.81.22.73.74.75.07.07.511.211.818.723.331.243.73990.50.71.12.63.54.44.76.57.110.611.217.722.129.541.34270.50.61.02.12.93.63.95.35.88.79.214.518.124.133.7454(0.4)(0.5)(0.7)(1.4)(1.9)(2.3)(2.5)(3.4)(3.7)(5.7)(6.0)(9.4)(11.7)(15.7)(21.9)注1：温度或压力数值假设处于表中所示值之间时，能够依照内插法确认最高使用温度或压力。注2：带括号的数值尽可能不使用表3
12、0.5Mo钢WC1压力温度额定值（第1类）温度压力等级16254063100160320205067110150260420600分级表示的工作压力MPa-29381.51.92.43.94.96.26.69.09.814.615.524.430.540.757.0931.41.82.33.84.85.96.38.79.514.315.123.829.839.822.71491.31.62.13.64.65.76.18.49.213.714.522.928.638.253.52041.11.41.93.44.55.66.08.39.013.514.322.528.137.552.52601.0
13、1.21.73.24.35.35.88.08.713.113.921.827.236.451.03150.81.01.53.14.25.25.67.88.512.713.421.226.535.449.63430.70.91.43.04.15.15.57.58.212.413.120.725.834.548.33710.60.81.32.94.05.05.37.38.012.012.720.024.933.246.63990.50.71.22.73.74.75.06.97.511.211.818.723.331.143.64270.50.61.12.53.54.44.76.57.110.711
14、.317.822.229.741.64540.40.50.92.43.44.24.56.26.810.210.817.121.328.540.0482(0.3)(0.3)(0.7)(2.1)(3.1)(3.9)(4.2)(5.8)(6.3)(9.5)(10.0)(15.7)(19.6)(26.3)(36.9)注1：温度或压力数值假设处于表中所示值之间时，能够依照内插法确认最高使用温度或压力。注2：带括号的数值尽可能不使用表4 1.25Cr-0.5Mo钢WC6压力温度额定值（第1类）温度压力等级16254063100160320205067110150260420600分级表示的工作压力MPa-
15、29381.62.02.54.15.26.57.09.610.515.816.726.332.943.961.5931.41.82.34.05.26.57.09.610.515.816.726.332.943.961.51491.31.62.13.85.06.36.89.310.115.216.125.431.742.359.22041.11.41.93.74.96.16.58.99.714.615.524.330.440.656.92601.01.21.73.54.75.86.28.59.314.014.823.429.238.954.53150.81.01.53.14.25.25.67.8
16、8.512.813.521.226.735.449.63430.70.91.43.04.15.15.57.58.212.413.120.725.834.548.33710.60.81.32.94.05.05.37.38.012.012.720.024.933.246.63990.50.71.22.73.74.75.06.97.511.211.818.723.331.143.64270.50.61.12.63.64.44.76.57.110.711.317.822.229.741.64540.30.41.02.43.44.04.36.26.810.210.817.121.328.540.0482
17、0.30.30.72.13.13.94.25.86.39.510.015.819.726.336.95100.20.20.51.52.22.83.04.14.56.77.111.214.018.726.25380.10.10.31.01.51.82.02.73.04.54.77.69.412.617.75650.1a0.10.20.71.01.21.31.82.03.03.15.06.28.411.8593(0.1)a(0.1)(0.1)(0.4)(0.6)(0.8)(0.9)(1.2)(1.3)(2.0)(2.1)(3.4)(4.2)(5.6)(7.9)注1：温度或压力数值假设处于表中所示值
18、之间时，能够依照内插法确认最高使用温度或压力。注2：带括号的数值尽可能不使用。a 此数据， 法兰式阀门不适用表5 2.25Cr-1Mo钢WC9压力温度额定值（第1类）温度压力等级16254063100160320205067110150260420600分级表示的工作压力MPa-29381.62.02.54.15.26.57.09.610.515.816.726.332.943.961.5931.41.82.34.05.26.57.09.610.515.816.726.332.943.961.51491.31.62.13.95.16.46.89.410.215.416.325.632.042.
19、759.82041.11.41.93.74.96.26.69.19.914.815.724.830.941.359.12601.01.21.73.54.75.86.28.59.314.014.923.429.238.954.53150.81.01.53.14.25.25.67.88.512.813.521.326.535.449.63430.70.91.43.04.15.15.57.68.312.413.120.725.834.548.33710.60.81.32.94.05.05.37.38.012.012.720.024.933.246.63990.50.71.22.73.74.75.06
20、.97.511.211.818.723.331.143.64270.50.61.12.63.64.44.76.57.110.711.317.822.229.741.64540.40.40.92.43.44.34.66.26.810.310.917.121.328.540.04820.30.30.72.13.13.94.25.86.39.510.015.818.924.236.95100.20.20.61.82.63.23.54.85.37.98.313.216.522.131.05380.10.10.31.21.82.22.43.33.65.55.89.211.415.221.45650.1a
21、0.10.20.81.21.51.62.32.53.73.96.17.610.214.3593(0.1)a(0.1)(0.2)(0.5)(0.8)(0.9)(1.0)(1.3)(1.5)(2.3)(2.4)(3.8)(4.7)(6.4)(9.0)注1：温度或压力数值假设处于表中所示值之间时，能够依照内插法确认最高使用温度或压力。注2：带括号的数值尽可能不使用。a 此数据， 法兰式阀门不适用表6 9Cr-1Mo-V钢C12A压力温度额定值（第1类）温度压力等级16254063100160320205067110150260420600分级表示的工作压力MPa-29381.62.02.54.15.
22、26.57.09.610.515.816.726.332.943.961.5931.41.82.34.05.26.57.09.610.515.816.726.332.943.961.51491.31.62.13.95.16.36.89.410.215.416.325.632.042.759.82041.11.41.93.74.96.16.58.99.714.615.724.330.940.657.92601.01.21.73.54.75.86.28.59.314.014.823.429.238.954.53150.81.01.53.14.25.25.67.88.512.813.521.226.
23、535.449.63430.70.91.43.04.15.15.57.58.212.413.120.725.834.548.3表6 （续）温度压力等级16254063100160320205067110150260420600分级表示的工作压力MPa3710.60.81.32.94.05.05.37.38.012.012.720.024.933.246.63990.50.71.22.73.74.75.06.97.511.211.818.723.331.143.64270.50.61.12.63.64.44.76.57.110.711.317.822.229.741.64540.40.41.02
24、.43.44.04.36.26.810.210.817.121.328.540.04820.30.30.72.13.13.74.25.86.39.510.015.819.726.336.95100.20.20.61.82.73.33.64.95.48.18.613.516.922.631.75380.1a0.10.51.72.53.13.44.75.17.68.012.816.021.329.85650.1a0.10.51.72.53.13.44.65.07.57.912.615.721.129.85930.1a0.10.41.42.12.62.83.84.26.36.710.613.217.
25、724.76210.1a0.10.31.11.61.92.02.83.14.74.97.89.713.018.36490.1a0.10.20.71.01.21.31.82.03.03.15.06.28.411.8注1：温度或压力数值假设处于表中所示值之间时，能够依照内插法确认最高使用温度或压力。注2：带括号的数值尽可能不使用。a 此数据， 法兰式阀门不适用表7 碳素钢WCB压力温度额定值（第1类）温度压力等级1503006009001500200025003500分级表示的工作压力MPa-29381.975.1010.2015.3125.5534.0442.5459.57931.794.629
26、.3113.9623.2731.0338.7854.301491.594.529.0713.5822.6230.1737.7152.812041.384.388.7613.1021.8629.1336.4050.992601.174.148.2712.3820.6527.5334.4148.163160.973.797.5511.3118.8625.1531.4444.023430.863.697.4111.1018.5124.6830.8543.203710.763.697.3411.0318.3824.4930.6142.853990.663.486.9610.4117.3823.1728
27、.9640.544270.552.835.698.5214.2018.9323.6533.10454(0.45)(1.86)(3.69)(5.55)(9.24)(12.31)(15.38)(21.51)注1：温度或压力数值假设处于表中所示值之间时，能够依照内插法确认最高使用温度或压力。注2：带括号的数值尽可能不使用表8 0.5Mo钢WC1压力温度额定值（第1类）温度压力等级1503006009001500200025003500分级表示的工作压力MPa-29381.834.799.5814.3823.9331.9139.8955.85931.794.699.3814.0323.4131.223
28、9.0254.641491.594.529.0013.4822.4829.9837.4752.472041.384.418.8313.2422.0629.4136.7551.472601.174.288.5812.8621.4128.5735.7249.993160.974.178.3412.5120.8627.8134.7548.643430.864.078.1012.1720.2727.0533.8247.333710.763.937.8311.7619.5826.1032.6145.683990.663.657.3411.0018.3424.4430.5442.754270.553.52
29、7.0010.5217.5123.3429.1740.824540.453.346.7210.0716.7922.3927.9939.20482(0.35)(3.10)(6.21)(9.31)(15.48)(20.65)(25.82)(36.16)注1：温度或压力数值假设处于表中所示值之间时，能够依照内插法确认最高使用温度或压力。注2：带括号的数值尽可能不使用表9 1.25Cr-0.5Mo钢WC6压力温度额定值（第1类）温度压力等级1503006009001500200025003500分级表示的工作压力MPa-29382.005.1710.3415.5125.8634.4743.0960.3
30、3931.795.1710.3415.5125.8634.4743.0960.331491.594.969.9614.9324.8933.1841.4758.092041.384.799.5514.3423.8931.8639.8255.782601.174.599.1713.7622.9330.5738.2053.473160.974.178.3412.5120.8627.8034.7548.643430.864.078.1012.1720.2727.0533.8247.333710.763.937.8311.7619.5826.1032.6145.683990.663.657.3411.0
31、018.3424.4430.5442.754270.553.527.0010.5217.5123.3429.1640.824540.453.346.7210.0716.7922.3927.9939.204820.353.106.219.3115.4820.6525.8236.165100.242.214.416.5911.0014.6618.3125.655380.141.482.974.487.459.9312.4117.385660.14a1.002.002.974.966.628.2711.58593(0.14)a(0.66)(1.31)(2.00)(3.31)(4.41)(5.52)(
32、7.72)注1：温度或压力数值假设处于表中所示值之间时，能够依照内插法确认最高使用温度或压力。注2：带括号的数值尽可能不使用a 此数据， 法兰式阀门不适用表10 2.25Cr-1Mo钢WC9压力温度额定值（第1类）温度压力等级1503006009001500200025003500分级表示的工作压力MPa-29382.005.1710.3415.5125.8634.4743.0960.33931.795.1710.3415.5125.8634.4743.0960.331491.595.0310.0315.0725.1033.4741.8558.612041.384.869.7214.5824.
33、3432.4440.5457.952601.174.599.1713.7622.9330.5638.2053.473160.974.178.3412.5120.8627.8034.7548.643430.864.078.1012.1720.2727.0533.8247.333710.763.937.8311.7619.5826.1032.6145.683990.663.657.3411.0018.3424.4430.5442.754270.553.527.0010.5217.5123.3429.1740.824540.453.346.7210.0716.7922.3927.9939.20482
34、0.353.106.219.3115.4820.6525.8236.165100.242.595.217.7913.0017.3421.6830.375380.141.793.595.389.0011.9814.9620.965660.14a1.212.413.626.038.0310.0314.07593(0.14)a(0.76)(1.52)(2.28)(3.79)(5.05)(6.31)(8.83)注1：温度或压力数值假设处于表中所示值之间时，能够依照内插法确认最高使用温度或压力。注2：带括号的数值尽可能不使用a 此数据， 法兰式阀门不适用表11 9Cr-1Mo-V钢C12A压力温度额定值（第1类）温度压力等级1503006009001500200025003500分级表示的工作压力MPa-29382.005.1710.3415.5125.8634.4743.0960.33931.795.1710.3415.5125.8634.4743.0960.331491.595.0310.0315.0725.1033.4741.8558.612041.384.869.7214.5824.3432.4440.5457.952601.174.599.1713.7622.9330.56