水处理常用管件标准化手册 45页

水处理常用管件标准化手册\n目录第一部分钢制管法兰标准应用…………………………………………………1第一节编制说明……………………………………………………………………2一、技术要求………………………………………………………………………2二、选用范围………………………………………………………………………2三、标记示例………………………………………………………………………3四、注意事项………………………………………………………………………3第二节钢制管法兰标准……………………………………………………………4一、凸面板式平焊钢制管法兰……………………………………………………4二、凸面带颈平焊钢制管法兰…………………………………………………7三、凹凸面带颈平焊钢制管法兰………………………………………………10第二部分钢制管法兰紧固件标准应用………………………………………12第一节编制说明…………………………………………………………………13一、技术要求……………………………………………………………………13二、标准选用……………………………………………………………………14三、注意事项……………………………………………………………………15四、标记示例……………………………………………………………………15第二节紧固件标准应用…………………………………………………………16一、法兰与法兰连接……………………………………………………………16二、法兰与对夹式蝶阀连接……………………………………………………21第三部分常用管道标准应用…………………………………………………25第一节技术要求…………………………………………………………………27一、管道…………………………………………………………………………27二、90°弯头……………………………………………………………………28三、三通…………………………………………………………………………28四、同心异径管…………………………………………………………………29五、偏心异径管…………………………………………………………………29六、说明…………………………………………………………………………29第二节标准应用…………………………………………………………………30一、管道应用……………………………………………………………………32二、90°弯头应用………………………………………………………………32三、三通应用……………………………………………………………………34四、同心异径管应用……………………………………………………………40五、偏心异径管的应用…………………………………………………………45\n第一部分钢制管法兰标准应用第一节编制说明一、技术要求二、选用范围三、标记示例四、注意事项第二节钢制管法兰标准一、突面板式平焊钢制管法兰1.PN0.6Mpa(6bar)GB9119.6-2000（参照）2.PN1.0Mpa(10bar)GB9119.7-2000（参照）3.PN1.6Mpa(16bar)GB9119.8-2000（参照）4.PN2.5Mpa(25bar)GB9119.9-2000（参照）5.PN4.0Mpa(40bar)GB9119.10-2000（参照）二、突面带颈平焊钢制管法兰1.PN5.0Mpa(50bar)GB9116.9-2000（参照）2.CLASS150ANSIB16.5-1998（接管标准为SN3405系列Ⅰ）3.CLASS300ANSIB16.5-1998（接管标准为SN3405系列Ⅰ）4.CLASS150ANSIB16.5-1998（接管标准为公制）5.CLASS300ANSIB16.5-1998（接管标准为公制）三、凹凸面带颈平焊钢制管法兰PN4.0Mpa(40bar)GB9116.13-2000（参照）\n第一节编制说明一、技术要求：1.国标法兰内径及所配钢管采用公制，其它尺寸按国家标准。其中公称压力≤4.0MPa的法兰参照GB9119凸面板式平焊钢制管法兰系列；公称压力5.0MPa法兰参照GB9116.9-88凸面带颈平焊钢制管法兰标准；凹凸面带颈平焊钢制管法兰参照GB9116.13PN4.0MPa标准。2.ANSI标准法兰按ANSIB16.5CLASS150及CLASS300系列。3.法兰的技术要求和材料按GB9125-88《钢制管法兰技术条件》的规定，其中材料的选择如下：①公称压力≤2.5MPa时，选用材料牌号为：Q235-A板材或锻件；②2.5MPa＜公称压力≤5.0MPa时，选用材料牌号为：20、25或16Mn、1Cr18Ni9Ti板材、锻件或铸件。4.法兰的公称压力及在不同温度下的最大允许工作压力按GB9131-88《钢制管法兰压力—温度等级》的规定。5.所有连接紧固件均采用公制。二、选用范围1.管道连接一般选用GB9119凸面板式平焊钢制管法兰系列。2.法兰用于连接中压（4.0MPa）国产阀门、水泵时，选用GB9116.13凹凸面带颈平焊钢制管法兰或根据产品样本连接标准选用；若设备本体法兰为凹面（B型），则所配法兰应选用凸面（A型），反之所配法兰应选用凹面（B型）。3.法兰用于连接进口阀门时，选用ANSIB16.5CLASS150及CLASS300系列。德国GEMU蝶阀连接尺寸与国标GB9119.7-88（PNI.0MPa）一致。4.国标法兰GB9116.9-88PN5.0MPa凸面带颈平焊钢制管法兰系列与ANSIB16.5CLASS300连接尺寸一致。5.ANSIB16.5CLASS150及CLASS300系列的法兰内径及所配钢管有英制和公制两种规格，与进口蝶阀连接时，法兰内径及所配钢管应按蝶阀实际需要选用英制，以保证蝶阀开启自如。用于连接管道及蝶阀以外的阀门连接时，法兰内径及所配钢管可选用公制。6.法兰用于连接对夹式蝶阀时，所配钢管内径应满足阀板开启所需最小尺寸，以保证蝶阀开启自如。\n三、标记示例1.公称通径100mm、公称压力1.0MPa（10bar）、材料为Q235-A的凸面板式平焊钢制管法兰的标记：法兰100-10GB9119.7-88Q235-A2.公称通径100mm、压力等级为CLASS150、材料为Q235-A的ANSIB16.5标准管法兰的标记：法兰DN100CLASS150ANSIB16.5Q235-A四、注意事项选用法兰和提交法兰采购清册时，必须注明法兰内径尺寸及所配钢管的规格是采用公制还是英制。\n第二节钢制管法兰标准一、凸面板式平焊钢制管法兰法兰的型式和尺寸按下图和下表的规定。1．PN0.6Mpa(6bar)GB9119.6-88（参照）公称通径DN管子外径A法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓密封面法兰厚度C法兰内径B法兰理论重量kg数量n螺纹Th.df101520141825758090505565111111444M10M10M1033384822212121414.518.525.50.310.350.532532403238451001201307590100111414444M10M12M1258697833314161632.539.046.00.600.991.17506580577689140160190110130150141418444M12M12M168810812433316161858.577.590.51.281.612.60100125150108133159210240265170200225181818488M16M16M16144174199333182020110.0135.0161.02.853.864.2320025030021927332532037544028033539518182281212M16M16M202543093633342224242222763286.238.1510.5335040037742649054044549522221216M20M2041346344262838143015.2618.12\n2．PN1.0Mpa(10bar)GB9119.7-88（参照）公称通径DN管子外径A法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓密封面法兰厚度C法兰内径B法兰理论重量kg数量n螺纹Th.df1015201418259095105606575141414444M12M12M1241465622214141614.518.525.50.530.590.8525324032384511514015085100110141818444M12M16M1665768433316181832.539460.961.591.82506580577689165185200125145160181818448M16M16M169911813233320202058.577.590.52.433.483.95100125150108133159220250285180210240181822888M16M16M201561842113332222241101351614.524.936.5320025030021927332534039544529535040022222281212M20M20M202663193703342426282222763288.5110.9213.3035040037742650556546051522261616M20M2442948044303238143021.5927.483．PN1.6Mpa(16bar)GB9119.8-88（参照）公称通径DN管子外径A法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓密封面法兰厚度C法兰内径B法兰理论重量kg数量n螺纹Th.df1015201418259095105606575141414444M12M12M1241465622214141614.518.525.50.530.590.8525324032384511514015085100110141818444M12M16M1665768433316181832.539460.961.591.82506580577689165185200125145160181818448M16M16M169911813233320202058.577.590.52.432.973.23100125150108133159220250285180210240181822888M16M16M201561842113332222241101351614.524.936.53200250300219273325340405460295355410222626121212M20M24M242663193703342629322222763289.0113.2017.3435040037742652058047052526301616M24M2742948044353838143026.2733.55\n4．PN2.5Mpa(25bar)GB9119.9-88（参照）公称通径DN管子外径A法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓密封面法兰厚度C法兰内径B法兰理论重量kg数量n螺纹Th.df1015201418259095105606575141414444M12M12M1241465622214141614.518.525.50.530.590.8525324032384511514015085100110141818444M12M16M1665768433316181832.539460.961.591.82506580577689165185200125145160181818488M16M16M169911813233320222458.577.590.52.433.153.95100125150108133159235270300190220250222626888M20M24M241561842113332628301101351615.577.579.52200250300219273325360425485310370430263030121216M24M27M2727433038933432353822227632814.6219.0124.8835040037742655562049055033361616M30M3344850344424638143039.5552.485．PN4.0Mpa(40bar)GB9119.10-88（参照）公称通径DN管子外径A法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓密封面法兰厚度C法兰内径B法兰理论重量kg数量n螺纹Th.df1015201418259095105606575141414444M12M12M1241465622214141614.518.525.50.530.590.8525324032384511514015085100110141818444M12M16M1665768433316181832.539460.961.591.82506580577689165185200125145160181818488M16M16M169911813233320222458.577.590.52.433.153.95100125150108133159235270300190220250222626888M20M24M241561842113332628301101351615.577.579.52200250300219273325375450515320385450303333121216M27M30M3028434540933436424822227632817.0127.9439.5935040037742658066051058536391616M33M3646553544546038143059.5986.26\n二、凸面带颈平焊钢制管法兰法兰的型式和尺寸按下图和下表的规定。1.PN5.0Mpa(50bar)GB9116.9-88（参照）公称通径DN管子外径A法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓密封面法兰厚度C法兰高度H法兰颈N法兰内径B法兰理论重量kg数量n螺纹Th.df1520251825329512012566.582.589.0162020444M14M18M1834.942.950.822214.516.017.522252738485418.525.532.50.621.111.3232405038455713515516598.5114.5127.0202220448M18M20M1863.573.092.122219.521.022.5273033647084394658.51.732.442.8265801007689108190210255149.0168.5200.0222222888M20M20M20104.8127.0157.222225.529.032.038434810011814677.590.51104.215.909.70125150200133159219280320380235.0270.0330.022222681212M20M20M24185.7215.9269.922235.037.041.551526217820626013516122212.2416.0323.81250300350273325377445520585387.5451.0514.5303333161620M27M30M30323.8381.0412.822248.051.054.067737632137542627632838133.8248.9768.85400426650571.53620M33469.9257.58348343088.63\n2.CLASS150ANSIB16.5-1998（接管标准为SN3405系列Ⅰ）单位：英制公称通径DN管子外径A（㎜）法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓密封面法兰厚度C法兰高度H法兰颈N法兰内径B数量n螺纹Th.df1/23/4121.326.933.73.503.884.252.382.753.120.620.620.62444M12M12M121.381.692.000.060.060.060.440.500.560.620.620.691.191.501.940.881.091.3611/411/2242.448.360.34.625.006.003.503.884.750.620.620.75444M12M12M162.502.883.620.060.060.060.620.690.750.810.881.002.312.563.061.701.952.4421/23476.188.9114.37.007.509.005.506.007.500.750.750.75448M16M16M164.125.006.190.060.060.060.880.940.941.121.191.313.564.255.312.943.574.57568139.7168.3219.110.011.013.58.509.5011.750.880.880.88888M20M20M207.318.5010.620.060.060.060.941.001.121.441.561.756.447.569.695.666.728.721012273.0329.916.019.014.2517.01.001.001212M22M2212.7515.00.060.061.191.251.942.1912.014.3810.8812.881416355.6406.421.023.518.7521.251.121.121216M24M2416.2518.500.060.061.381.442.252.5015.7518.014.1416.163.CLASS300ANSIB16.5-1998（接管标准为SN3405系列Ⅰ）单位：英制公称通径DN管子外径A（㎜）法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓密封面法兰厚度C法兰高度H法兰颈N法兰内径B数量n螺纹Th.df1/23/4121.326.933.73.754.624.882.623.253.500.620.750.75444M12M16M161.381.692.000.060.060.060.560.620.690.881.001.061.501.882.120.881.091.3611/411/2242.448.360.35.256.126.503.884.505.000.750.880.75448M16M20M162.502.883.620.060.060.060.750.810.881.061.191.312.502.753.311.701.952.4421/23476.188.9114.37.508.2510.05.886.627.880.880.880.88888M20M20M204.125.006.190.060.060.061.001.121.251.501.691.883.944.625.752.943.574.57568139.7168.3219.111.012.515.09.2510.6213.00.880.881.0081212M20M20M227.318.5010.620.060.060.061.381.441.622.002.062.447.008.1210.255.666.728.721012273.0329.917.520.515.2517.751.121.251616M24M2712.7515.00.060.061.882.002.622.8812.6214.7510.8812.881416355.6406.423.025.520.2522.51.251.382020M27M3016.2518.500.060.062.122.253.003.2516.7519.014.1416.16\n4.CLASS150ANSIB16.5-1998（接管标准为公制）单位：英制公称通径DN管子外径A（㎜）法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓密封面法兰厚度C法兰高度H法兰颈N法兰内径B数量n螺纹Th.df1/23/411825323.503.884.252.382.753.120.620.620.62444M12M12M121.381.692.000.060.060.060.440.500.560.620.620.691.191.501.9418.525.532.511/411/223845574.625.006.003.503.884.750.620.620.75444M12M12M162.502.883.620.060.060.060.620.690.750.810.881.002.312.563.0639.046.058.521/23476891087.007.509.005.506.007.500.750.750.75448M16M16M164.125.006.190.060.060.060.880.940.941.121.191.313.564.255.3177.590.5110.056813315921910.011.013.58.509.5011.750.880.880.88888M20M20M207.318.5010.620.060.060.060.941.001.121.441.561.756.447.569.69135.0161.0222101227332516.019.014.2517.01.001.001212M22M2212.7515.00.060.061.191.251.942.1912.014.38276328141637742621.023.518.7521.251.121.121216M24M2416.2518.500.060.061.381.442.252.5015.7518.03814315.CLASS300ANSIB16.5-1998（接管标准为公制）单位：英制公称通径DN管子外径A（㎜）法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓密封面法兰厚度C法兰高度H法兰颈N法兰内径B数量n螺纹Th.df1/23/411825323.754.624.882.623.253.500.620.750.75444M12M16M161.381.692.000.060.060.060.560.620.690.881.001.061.501.882.1218.525.532.511/411/223845575.256.126.503.884.505.000.750.880.75448M16M20M162.502.883.620.060.060.060.750.810.881.061.191.312.502.753.3139.046.058.521/23476891087.508.2510.05.886.627.880.880.880.88888M20M20M204.125.006.190.060.060.061.001.121.251.501.691.883.944.625.7577.590.5110.056813315921911.012.515.09.2510.6213.00.880.881.0081212M20M20M227.318.5010.620.060.060.061.381.441.622.002.062.447.008.1210.25135.0161.0222101227332517.520.515.2517.751.121.251616M24M2712.7515.00.060.061.882.002.622.8812.6214.75276328141637742623.025.520.2522.51.251.382020M27M3016.2518.500.060.062.122.253.003.2516.7519.0381431\n三、凹凸面带颈平焊钢制管法兰法兰的型式和尺寸按下图和下表的规定。\nPN4.0Mpa(40bar)GB9116.13-88（参照）称通径DN管子外径A法兰外径D螺栓孔中心圆直径K螺栓孔径L螺栓密封面法兰厚度C法兰高度H法兰颈N法兰颈R法兰内径B法兰理论重量kg数量n螺纹Th.dXYff1f2A型B型1015201518259095105606575141414444M12M12M1241465634395035405122244433314141622222630354533418.022.027.50.510.630.820.520.620.8125324032384511514015085100110141818444M12M16M1665768457657558667633344433316181828303252607045534.539461.011.651.941.001.781.99506580577689165185200125145160181818488M16M16M169911813287109120881101213334443332022243438408410411856658.577.590.52.523.434.322.523.444.23100125150108133159235270300190220250222626888M20M24M241561842111491752031501762043334.54.54.53.53.53.52426284448521451702006681101351615.607.689.825.437.359.31200250300219273325375450515320385450303333121216M27M30M302843454092593123642603133643344.54.54.53.53.53.534384252606726031238081010221.5276.532816.9126.4338.4216.2325.4137.1235040037742658066051058536391616M33M3646553542147342247444554446507278424478101038143056.1080.0353.6275.83\n第二部分钢制管法兰紧固件标准应用第一节编制说明一、技术要求1.螺栓标准2.螺母标准3.垫圈标准二、选用范围1.螺栓标准的选用2.螺母标准的选用3.垫圈标准的选用4.垫片的选用三、.注意事项四、标记示例1.螺栓标记示例2.螺母标记示例3.垫圈标记示例第二节紧固件标准应用一、法兰与法兰连接1.凸面板式平焊钢制管法兰2.凸面带颈平焊钢制管法兰二、法兰与对夹式蝶阀连接1.上海阀门五厂产品（法兰标准GB9119.7、GB9119.8）2.BRAY产品（法兰标准ANSIB16.5）3.KEYSTONEK-LOK系列产品（法兰标准ANSIB16.5）4.德国GEMU产品（法兰标准GB9119.7-88）\n第一节编制说明一、标准规范㈠螺栓标准1.六角头螺栓—C级，标准GB5780-86，螺纹规格d为M5～M64。机械性能等级：d≤39等级为4.6和4.8d＞39等级按协议要求本标准等效采用国际标准ISO4016—1979《六角头螺栓—产品等级C》；2.六角头螺栓—A、B级，标准GB5782-86，螺纹规格d为M3～M64。2.1A级用于d≤24和螺栓公称长度L≤10d或L≤150㎜（按较小值），B级用于d＞24和L＞10d或L＞150㎜（按较小值）。机械性能等级：d≤39等级为8.8和10.9d＞39等级按协议要求2.2不锈钢机械性能等级为A2—50和A2—70A2—50用于20＜d≤39A2—70用于d≤20＝d＞39等级按协议要求本标准等效采用国际标准ISO4014—1979《六角头螺栓—产品等级A和B》；㈡螺母标准1.1型六角螺母—C级，标准GB41-86，螺纹规格d为M5～M64。机械性能等级：d≤39等级为4、5d＞39等级按协议要求本标准等效采用国际标准ISO4034—1979《六角螺母—产品等级C》；2.1型六角螺母—A、B级，标准GB6170-86，螺纹规格d为M1.6～M64。A级用于d≤16，B级用于d＞16机械性能等级：3≤d≤39等级为6、8、10d＜3，d＞39等级按协议要求2.2不锈钢机械性能等级为A2—50和A2—70A2—50用于20＜d≤39A2—70用于d≤20\n本标准等效采用国际标准ISO4032—1979《六角螺母—1型—产品等级A和B》；㈢垫圈标准1.平垫圈C级，标准GB95-85，适用于规格为5～36、C级、标准六角的螺栓和螺母。机械性能等级：钢100HV；本标准等效采用国际标准ISO7091—1983《平垫圈—标准系列—产品等级C》；2.平垫圈A级，标准GB97.1-85，适用于规格为1.6～36、A和B级、标准六角的螺栓和螺母。机械性能等级：（1）钢140HV（2）不锈钢A140。本标准等效采用国际标准ISO7089—1983《平垫圈—标准系列—产品等级A》。二、标准选用1.螺栓标准的选用（按压力等级选用）（1）压力等级为0.6—1.6MPa时，选用GB5780-86六角头螺栓—C级机械性能等级：钢4.8级；（2）压力等级为2.5—5.0MPa时，选用GB5782-86六角头螺栓—A、B级机械性能等级：钢8.8级；不锈钢A2—50和A2—70。（3）d＞39的螺栓按协议要求。2.螺母标准的选用（按压力等级选用）（1）压力等级为0.6—1.6MPa时，选用GB41-861型六角螺母—C级机械性能等级：钢5级；（2）压力等级为2.5—5.0MPa时，选用GB6170-861型六角螺母—A、B级机械性能等级：钢8级；不锈钢A2—50和A2—70。（3）d＞39的螺栓按协议要求。3.垫圈标准的选用（1）GB95-85的C级、平垫圈，机械性能等级：钢100HV，适用于规格为5～36㎜、C级、标准六角的螺栓和螺母，且采用螺母一端加垫圈结构。（2）GB97.1-85的A级、标准系列平垫圈，机械性能等级：（3）钢140HV和不锈钢A140，分别适用于规格为1.6～36㎜、A和B级、标准六角的碳钢和不锈钢的螺栓和螺母，且采用螺母一端加垫圈结构。4.垫片的选用（1）法兰连接、法兰阀门连接均采用垫片，厚度为δ=3mm。\n垫片的材质按以下要求：压力等级为0.6—1.6MPa时，选用耐酸橡胶垫片（适用介质酸、碱）；压力等级为2.5—5.0MPa时，选用石棉橡胶垫片（适用介质水、蒸汽）。（1）法兰与衬胶蝶阀连接可不采用垫片连接，但要根据衬胶蝶阀实际要求而定。三、注意事项不锈钢中压蝶阀（BRAY系列42产品）的定位孔用螺栓的选用均按小一规格选用。四、标记示例1.螺栓标记示例：（1）螺纹规格d=M12、公称长度L=80mm、性能等级为4.8级、C级的六角头螺栓的标记：螺栓GB5780M12×80钢4.8级（2）螺纹规格d=M12、公称长度L=80mm、性能等级为8.8级、A和B级的六角头螺栓的标记：螺栓GB5782M12×80钢8.8级（不锈钢A2—50、A2—70）2.螺母标记示例：（1）螺纹规格d=M12、性能等级为5级、C级的1型六角螺母的标记：螺母GB41M12钢5级（2）螺纹规格d=M12、性能等级为8级、A级的1型六角螺母的标记：螺母GB6170M12钢8级（不锈钢A2—50、A2—70）。3.垫圈标记示例（1）标准系列、规格8㎜、性能等级为100HV平垫圈的标记：垫圈GB958100HV（2）标准系列、规格8㎜、性能等级为A140平垫圈的标记：垫圈GB97.18A140\n第二节紧固件标准应用一、法兰与法兰连接螺栓的连接型式见下图：L=c1+c2+h+m+5+g1（g2）注：g1——衬胶胶板厚度g2——衬塑反边厚度㈠凸面板式平焊钢制管法兰1．PN0.6MPa(6bar)（法兰标准GB9119.6-88）公称通径DN法兰厚度C螺栓数量n螺母厚度m（max）螺栓规格及长度L螺栓规格及长度（法兰面衬3mm厚防腐层）L垫圈内径（min）外径（max）厚度h1015201212144449.549.549.54M10×45M10×45M10×50M10×50M10×50M10×551111112020202222532401416164449.5412.1712.17M10×50M12×55M12×55M10×55M12×60M12×601113.513.52024242.52.52.550658016161844412.1712.1715.9M12×55M12×55M16×65M12×60M12×60M16×7013.513.517.52424302.52.5310012515018202048815.915.915.9M16×65M16×70M16×70M16×70M16×75M16×7517.517.517.53030303332002503002224248121215.915.919.0M16×70M16×75M20×80M16×75M16×80M20×8517.517.5223030373333504002628121619.019.0M20×85M20×85M20×90M20×902222373734\n2．PN1.0MPa(10bar)（法兰标准GB9119.7-88）公称通径DN法兰厚度C螺栓数量n螺母厚度m（max）螺栓规格及长度L螺栓规格及长度（法兰面衬3mm厚防腐层）L垫圈内径（min）外径（max）厚度h10152014141644412.1712.1712.17M12×50M12×50M12×55M12×55M12×55M12×6013.513.513.52424242.52.52.525324016181844412.1715.915.9M12×55M16×65M16×65M12×60M16×70M16×7013.517.517.52430302.53350658020202044815.915.915.9M16×70M16×70M16×70M16×75M16×75M16×7517.517.517.530303033310012515022222488815.915.919.0M16×70M16×70M20×80M16×75M16×75M20×8517.517.5223030373332002503002426288121219.019.019.0M20×80M20×85M20×85M20×85M20×90M20×902222223737373333504003032161619.022.3M20×90M24×100M20×95M24×10522263744343．PN1.6MPa(16bar)（法兰标准GB9119.8-88）公称通径DN法兰厚度C螺栓数量n螺母厚度m（max）螺栓规格及长度L螺栓规格及长度（法兰面衬3mm厚防腐层）L垫圈内径（min）外径（max）厚度h10152014141644412.1712.1712.17M12×50M12×50M12×55M12×55M12×55M12×6013.513.513.52424242.52.52.525324016181844412.1715.915.9M12×55M16×65M16×65M12×60M16×70M16×7013.517.517.52430302.53350658020202044815.915.915.9M16×70M16×70M16×70M16×75M16×75M16×7517.517.517.530303033310012515022222488815.915.919.0M16×70M16×70M20×80M16×75M16×75M20×8517.517.52230303733320025030026293212121219.022.322.3M20×85M24×95M24×100M20×90M24×100M24×1052226263744443443504003538161622.324.7M24×105M27×115M24×110M27×1202630445044\n4．PN2.5MPa(25bar)（法兰标准GB9119.9-88）公称通径DN法兰厚度C螺栓数量n螺母厚度m（max）螺栓规格及长度L螺栓规格及长度（法兰面衬3mm厚防腐层）L垫圈内径（min）外径（max）厚度h10152014141644410.810.810.8M12×50M12×50M12×55M12×55M12×55M12×601313132424242.52.52.525324016181844410.814.814.8M12×55M16×65M16×65M12×60M16×70M16×701317172430302.53350658020222448814.814.814.8M16×65M16×70M16×75M16×70M16×75M16×801717173030303331001251502628308881821.521.5M20×80M24×90M24×95M20×85M24×95M24×10021252537444434420025030032353812121621.523.823.8M24×100M27×105M27×115M24×105M27×110M27×1202528284450504443504004246161625.628.7M30×120M33×135M30×125M33×14031345660445．PN4.0MPa(40bar)（法兰标准GB9119.10-88）公称通径DN法兰厚度C螺栓数量n螺母厚度m（max）螺栓规格及长度L螺栓规格及长度（法兰面衬3mm厚防腐层）L垫圈内径（min）外径（max）厚度h10152014141644410.810.810.8M12×50M12×50M12×55M12×55M12×55M12×601313132424242.52.52.525324016181844410.814.814.8M12×55M16×65M16×65M12×60M16×70M16×701317172430302.53350658020222448814.814.814.8M16×65M16×70M16×75M16×70M16×75M16×801717173030303331001251502628308881821.521.5M20×80M24×90M24×95M20×85M24×95M24×10021252537444434420025030036424812121623.825.625.6M27×110M30×120M30×135M27×115M30×125M30×140283131505656444350541628.7M33×150M33×16034614\n400601631M36×165M36×17037665㈡带颈平焊钢制管法兰1.PN5.0MPa(50bar)（法兰标准GB9116.9-88）公称通径DN法兰厚度C螺栓数量n螺母厚度m（max）螺栓规格及长度L螺栓规格及长度（法兰面衬3mm厚防腐层）L垫圈内径（min）外径（max）厚度h15202514.516.017.544412.815.815.8M14×55M18×60M18×65M14×60M18×65M18×701519192835352.53332405019.521.022.544815.81815.8M18×65M20×70M18×75M18×70M20×75M18×80192119353735333658010025.529.032.0888181818M20×80M20×90M20×95M20×85M20×95M20×10021212137373733312515020035.037.041.581212181821.5M20×100M20×105M24×120M20×105M20×110M24×12521212537374433425030035048.051.054.016162023.825.625.6M27×135M30×140M30×145M27×140M30×145M30×15028313149565644440057.52028.7M33×155M33×160346042.CLASS150（法兰标准ANSIB16.5-1998）公称通径DN（ins）法兰厚度C（ins）螺栓数量n螺母厚度m（max）螺栓规格及长度L螺栓规格及长度（法兰面衬3mm厚防腐层）L垫圈内径（min）外径（max）厚度h1/23/410.440.500.5644412.1712.1712.17M12×45M12×50M12×50M12×50M12×55M12×5513.513.513.52424242.52.52.511/411/220.620.690.7544412.1712.1715.9M12×55M12×60M16×65M12×60M12×65M16×7013.513.517.52424302.52.5321/2340.880.940.9444815.915.915.9M16×70M16×75M16×75M16×75M16×80M16×8017.517.517.53030303335680.941.001.1288819.019.019.0M20×80M20×80M20×85M20×85M20×85M20×9022222237373733310121.191.25121220.220.2M22×90M22×95M22×95M22×100242440403314161.381.44121622.322.3M24×105M24×1102626444444\nM24×110M24×1153.CLASS300（法兰标准ANSIB16.5-1998）公称通径DN（ins）法兰厚度C（ins）螺栓数量n螺母厚度m（max）螺栓规格及长度L螺栓规格及长度（法兰面衬3mm厚防腐层）L垫圈内径（min）外径（max）厚度h1/23/410.560.620.6944410.814.814.8M12×50M16×60M16×60M12×55M16×65M16×651317172430302.53311/411/220.750.810.8844814.81814.8M16×65M20×70M16×70M16×70M20×75M16×7517211730373033321/2341.001.121.25888181818M20×80M20×85M20×95M20×85M20×85M20×1002121213737373335681.381.441.6281212181819.4M20×100M20×105M22×115M20×105M20×110M22×12021212337374033310121.882.00161621.523.8M24×130M27×135M24×135M27×140252844504414162.122.25202023.825.6M27×145M30×150M27×150M30×1552831505644㈢凹凸面带颈平焊钢制管法兰公称通径DN法兰厚度C螺栓数量n螺母厚度m（max）螺栓规格及长度L螺栓规格及长度（法兰面衬3mm厚防腐层）L垫圈内径（min）外径（max）厚度h10152014141644412.815.815.8M12×55M12×60M12×65M12×60M12×65M12×701313132424242.53325324016181844415.81815.8M12×70M16×70M16×75M12×75M16×75M16×80131717243030333506580202224488181818M16×80M16×90M16×95M16×85M16×95M16×100171717303030333100125150242628888181821.5M20×100M24×105M24×120M20×105M24×110M24×12521252537444433420025030034384212121623.825.625.6M27×135M30×140M30×145M27×140M30×145M30×150283131505656444350461628.7M33×155M33×16034614\n4005016M36×155M36×15537664二、法兰与对夹式蝶阀连接㈠上海阀门五厂产品（法兰标准GB9119.7、GB9119.8）1.PN1.0MPa(10bar)公称通径DN（㎜）法兰厚度C（㎜）蝶阀厚度L（㎜）螺栓数量n螺母厚度m（㎜）（max）垫圈厚度h螺栓规格及长度L（㎜）螺栓规格及长度（法兰面衬3mm厚防腐层）L（㎜）50658020202043464644815.915.915.9333M16×115M16×115M16×115M16×120M16×120M16×12010012515022222452565688815.915.919.0333M16×125M16×130M20×140M16×130M16×135M20×1452002503002426286068788121219.019.019.0333M20×140M20×155M20×170M20×145M20×160M20×175350400303278102161619.022.334M20×170M24×205M20×175M24×210㈡BRAY产品（法兰标准ANSIB16.5）1.系列20CLASS150公称通径DN（㎜）公称通径DN（ins）法兰厚度C（ins）蝶阀厚度L（ins）螺栓数量n螺母厚度m（㎜）（max）垫圈厚度h（㎜）螺栓规格及长度（㎜）L（㎜）螺栓规格及长度（法兰面衬3mm厚防腐层）L（㎜）254050111/220.560.690.751.181.261.6244412.1715.915.92.533M12×85M12×100M16×110M12×90M12×105M16×115658010021/2340.880.940.941.751.752.0044815.915.915.9333M16×120M16×125M16×130M16×125M16×130M16×1351251502005680.941.001.122.122.122.5088819.019.019.0333M20×135M20×140M20×155M20×140M20×145M20×16025030010121.191.252.503.00121220.220.233M22×160M22×175M22×165M22×18035040014161.381.443.004.00121622.322.344M24×185M24×215M24×190M24×220\n2.系列40CLASS150公称通径DN（㎜）公称通径DN（ins）法兰厚度C（ins）蝶阀厚度L（ins）螺栓数量n螺母厚度m（㎜）（max）垫圈厚度h（㎜）螺栓规格及长度（㎜）L（㎜）螺栓规格及长度（法兰面衬3mm厚防腐层）L（㎜）658010021/2340.880.940.941.881.882.0344815.915.915.9333M16×125M16×125M16×130M16×130M16×130M16×1351251502005680.941.001.122.232.232.4088815.919.019.0333M20×135M20×140M20×150M20×140M20×145M20×15525030010121.191.252.753.10121220.220.233M22×165M22×175M22×170M22×18035040014161.381.443.734.11121622.322.344M24×205M24×215M24×210M24×220350141.383.001222.34M24×180M24×185400161.444.001622.34M24×210M24×2153.系列42CLASS300公称通径DN（㎜）公称通径DN（ins）法兰厚度C（ins）蝶阀厚度L（ins）螺栓数量n螺母厚度m（㎜）（max）垫圈厚度h（㎜）螺栓规格及长度L（㎜）螺栓规格及长度（法兰面衬3mm厚防腐层）L（㎜）658010021/2341.001.121.251.881.882.03888181818333M20×130M20×140M20×150M20×135M20×145M20×1551251502005681.381.441.622.232.422.8281212181819.4334M20×160M20×170M22×190M20×165M20×175M22×1952503003501012141.882.002.123.283.624.6216162021.523.823.8555M24×220M27×235M27×265M24×225M27×240M27×270400162.255.352025.66M30×295M30×300\n㈢KEYSTONEK-LOK系列产品（法兰标准ANSIB16.5）1.F360CLASS150公称通径DN（㎜）公称通径DN（ins）法兰厚度C（ins）蝶阀厚度L（㎜）螺栓数量n螺母厚度m（㎜）（max）垫圈厚度h（㎜）螺栓规格及长度L（㎜）螺栓规格及长度（法兰面衬3mm厚防腐层）L（㎜）506580221/230.750.880.9460484844415.915.915.9333M16×130M16×125M16×125M16×135M16×130M16×1301001251504560.940.941.0054575788815.915.919.0333M16×135M20×135M20×140M16×140M20×140M20×145200250300810121.121.191.256471978121219.020.220.2333M20×155M22×170M22×195M20×160M22×175M22×20035040014161.381.4492102121622.322.344M24×200M24×215M24×205M24×2202.F370CLASS300公称通径DN（㎜）公称通径DN（ins）法兰厚度C（ins）蝶阀厚度L（㎜）螺栓数量n螺母厚度m（㎜）（max）垫圈厚度h（㎜）螺栓规格及长度L（㎜）螺栓规格及长度（法兰面衬3mm厚防腐层）L（㎜）506580221/230.881.001.1260484888814.81818333M16×135M20×130M20×135M16×140M20×135M20×1401001251504561.251.381.445459598812181818333M20×150M20×160M20×165M20×155M20×170M20×170200250300810121.621.882.007383921216161819.423.8333M22×190M24×210M27×230M22×195M24×215M27×24035040014162.122.25117133202023.825.634M27×265M30×290M27×270M30×295\n㈣德国GEMU产品（法兰标准GB9119.7-88）PN1.0MPa(10bar)公称通径DN（㎜）法兰厚度C（㎜）蝶阀厚度L（㎜）螺栓数量n螺母厚度m（㎜）（max）垫圈厚度h（㎜）螺栓规格及长度L（㎜）螺栓规格及长度（法兰面衬3mm厚防腐层）L（㎜）40506518202033434644415.915.915.9333M16×100M16×115M16×115M16×105M16×120M16×1208010012520222246525688815.915.915.9333M16×115M16×125M16×130M16×120M16×130M16×135150200250242426566068881219.019.019.0333M20×140M20×140M20×155M20×145M20×145M20×160300350400283032787810212161619.019.022.3334M20×170M20×170M24×205M20×175M20×175M24×210\n第三部分常用管道标准应用第一节、技术要求一、管道㈠无缝碳钢管㈡无缝不锈钢管㈢衬胶管㈣衬塑管㈤塑料管二、90°弯头1.衬塑弯头2.衬胶弯头3.钢制弯头三、三通㈠等径三通1.衬塑等径三通2.衬胶等径三通3.钢制等径三通㈡径三通1.异径三通2.衬胶异径三通3.钢制异径三通四、同心异径管1.衬塑异径管2.衬胶异径管3.钢制异径管一、偏心异径管二、说明第二节标准应用一、管道应用1.无缝碳钢管应用2.无缝不锈钢管应用3.衬胶管应用\n1.衬塑管应用2.塑料管应用①PVC（PN0.6）②PVC（PN1.0）二、90°弯头应用1.衬塑弯头应用2.衬胶弯头应用3.钢制弯头应用三、三通应用㈠.等径三通应用1.衬塑等径三通应用2.衬胶等径三通应用3.钢制等径三通应用㈡径三通应用1.衬塑异径三通应用2.衬胶异径三通应用3.钢制异径三通应用四、同心异径管应用1.衬塑异径管应用2.衬胶异径管应用3.钢制异径管应用五、偏心异径管应用\n第一节技术要求一、管道㈠无缝碳钢管1.碳钢管选用标准为GB8163-87《输送流体用无缝钢管》，钢管的尺寸偏差按普通精度要求。钢管外径普通精度钢管壁厚普通精度＞10～30＞30～≤50＞50±0.40±0.45±1%＞1～3＞3+15%-10%+12%-10%2.碳钢管的材料牌号选用10钢和20钢。①公称压力≤1.6MPa时，选用材料牌号10钢②1.6MPa＜公称压力≤5.0MPa时，选用材料牌号20钢。㈡无缝不锈钢管1.不锈钢管选用标准为GB12771-91《不锈、耐酸无缝钢管》，钢管的尺寸偏差按普通精度要求。钢管外径普通精度钢管壁厚普通精度≤140＞140±1.5%±1.25%≤10＞10±15%±20%2.不锈钢管的材料牌号选用1Cr18Ni9Ti或304。㈢衬胶管1.衬胶管的制作按设备公司通用标准（TG9A），衬胶厚度均按一层3㎜考虑，工作温度≤75℃。2.衬胶管的最小管径为DN25；长度按下表：公称直径DN长度L（㎜）25～3250040～801000100～2502000300～4003000㈣衬塑管\n1.衬塑管的钢管制作按制造厂标准，衬塑厚度按供货厂家标准，使用压力≤1.6MPa，工作温度与衬塑的材质有关，按下表衬塑材质工作温度℃聚丙烯（PP）-25～110聚氯乙烯（PVC）-15～65聚乙烯（PE）-15～82聚四氟乙烯（PTFE）-100～2502.以上塑料材料为常用衬塑材料，耐酸、碱腐蚀性能较好，可根据用户的要求选用。衬塑管的最大长度为6000㎜。㈤塑料管塑料管选用标准为GB4219-84《化工用硬聚氯乙烯管》，耐酸、碱腐蚀及抗氧化性能较好，其技术特性为密度1.40～1.60使用温度≤60℃使用压力≤1.6MPa二、90°弯头1.衬塑弯头衬塑弯头的钢件制作按设备公司通用标准（TG11.1），衬塑厚度及尺寸按供货厂家标准，使用压力≤1.6MPa，工作温度及衬塑材料性能按衬塑管的要求。2.衬胶弯头衬胶弯头的制作尺寸按制造厂标准，衬胶厚度均按一层3㎜考虑，工作温度≤75℃。3.钢制弯头①钢制弯头选用标准为GB12456-90《钢制对焊无缝管件》，规格有长半径和短半径两种，可根据工程需要选用。②钢制弯头若采用法兰连接，制作尺寸按设备公司通用标准（TG11.1）选取。三、三通㈠等径三通1.衬塑等径三通衬塑等径三通的钢件制作按制造厂标准，衬塑厚度及尺寸按供货厂家标准，使用压力≤1.6MPa，工作温度及衬塑材料性能按衬塑管的要求。2.衬胶等径三通\n衬胶等径三通的制作尺寸按设备公司通用标准（TG12.2），衬胶厚度均按一层3mm考虑，工作温度≤75℃。3.钢制等径三通①等径三通选用标准为GB12456-90《钢制对焊无缝管件》。②制等径三通若采用法兰连接，制作尺寸按设备公司通用标准（TG12.2）选取。㈡异径三通异径三通的技术要求与等径三通相同。四、同心异径管1.衬塑同心异径管衬塑同心异径管的钢件制作按制造厂标准，衬塑厚度及尺寸按供货厂家标准，使用压力≤1.6MPa，工作温度及衬塑材料性能按衬塑管的要求。2.衬胶同心异径管衬胶同心异径管的制作尺寸按设备公司通用标准（TG11.1A），衬胶厚度均按一层3mm考虑，工作温度≤75℃。3.钢制同心异径管①钢制同心异径管选用标准为GB12456-90《钢制对焊无缝管件》。②.钢制同心异径管若采用法兰连接，制作尺寸可参照设备公司通用标准（TG12.2）选取。五、偏心异径管偏心异径管的标准、规格尺寸及技术要求与同心异径管相同。根据工程需要选用偏心异径管，在泵的入口处应选用偏心异径管。注：法兰压力等级＞1.0PMa时，弯头、三通标准的选用，对长度（L）应考虑适当加长。六、说明1.衬胶、衬塑管件重量为钢件与衬里之和重量。2.衬塑单重且含两片法兰重量，若计算重量及提采购清册时只需增加钢管部分重量。钢管部分重量为钢管重量乘以系数1.123.衬胶管单重且含两件法兰（PN1.0）重量，若计算重量时只需增加钢管部分重量。钢管部分重量为钢管重量+衬胶重量（钢管面积×3×1.38）\n第二节标准应用一、管道应用规格（DNmm）外径×壁厚（Dw×Smm）理论重量（kg/m）标准材料1.无缝碳钢管应用1014×20.592GB8163-87钢10（20）1518×20.7892025×21.132532×32.143238×32.594045×33.105057×34.626576×3.57.108089×48.38100108×410.26125133×4.514.25150159×4.519.00200219×736.58250273×852.28300325×870.10350377×1090.50400426×11112.572.无缝不锈钢管应用1014×20.592GB/T14976-94304或1Cr18Ni9Ti1518×20.7892025×21.132532×32.143238×32.594045×33.105057×34.626576×47.108089×48.38100108×410.26125133×414.25150159×4.519.00200219×636.58250273×852.28300325×870.1350377×10（订做）90.50400426×11（订做）112.57\n3.衬胶管应用DNDNL规格（DNmm）外径×壁厚（Dw×Smm）理论重量（kg/m）标准法兰压力等级（MPa）2532×3Lmax=5002.56（参照TG9A）≤5.03238×3Lmax=5003.094045×3Lmax=10004.185057×3Lmax=10005.396576×4Lmax=10008.128089×4Lmax=100010.58100108×4Lmax=200012.96125133×4.5Lmax=200017.60150159×5Lmax=200021.17200219×7Lmax=200039.60250273×8Lmax=200062.34300325×9Lmax=300082.15350377×10Lmax=3000113.21400426×11Lmax=3000119.884.衬塑管应用规格（DNmm）外径×钢管厚×塑料管厚（Dw×S1×S2mm）理论重量（kg/m）标准法兰压力等级（MPa）2532×3×2.54.55（参照TG9A）1.0（1.6）3238×3×2.76.464045×3×2.77.555057×3×310.626576×4×3.214.608089×4×3.516.62100108×4×4.221.62125133×4.5×4.527.00150159×5×535.91200219×7×5.560.03250273×8×6.281.40300325×9×6.7108.30350377×10×7149.72400426×11×7187.63\n规格（DNmm）外径×壁厚（Dw×Smm）理论重量（kg/m）标准法兰压力等级（MPa）5.塑料管应用（1）PVC管应用（PN0.6）3240×2.00.36GB4219-840.64050×2.40.605063×3.00.926575×3.61.438090×4.31.80100110×5.32.68125140×6.74.28150160×7.76.01200225×10.810.52（2）PVC管应用（PN1.0）1520×2.00.17GB4219-841.02025×2.00.182532×2.40.363240×3.00.574050×3.70.885063×4.71.406575×5.52.258090×6.62.53100110×8.13.82125140×10.36.65二、900弯头应用DNLDNL规格（DNmm）长度（L=mm）理论重量（m=kg）标准法兰压力等级（MPa）1.衬塑弯头应用25902.23（参照TG11.1）1.0（1.6）321003.20401153.98\n规格（DNmm）长度（L=mm）理论重量（m=kg）标准法兰压力等级（MPa）501205.04（参照TG11.1）1.0（1.6）651257.18801308.9810015512.7112519015.4515023021.4020030535.7025038054.7230030581.60350365116.34400415141.192.衬胶弯头应用401203.82TG11.11.0501105.1651157.1801309.810016011.912519516.615023022.020030534.825031041.630035554.6350410122.8（参照TG11.1）400460167.31.钢制弯头应用DNLDNL规格（DNmm）L（㎜）长半径L（㎜）短半径重量（kg）长半径重量（kg）短半径标准1538/0.067/GB124592038/0.098/2538250.130.0863248320.20.134057380.280.195076510.480.33\n规格（DNmm）L（㎜）长半径L（㎜）短半径重量（kg）长半径重量（kg）短半径标准6595640.950.64GB1245980114761.521.011001521022.471.661251901274.32.871502291526.94.5820030520317.711.825038125431.5821.0530045730550.8233.9235053335676.4851.08400610406108.972.47三、三通应用（一）等径三通应用DNHDNDNL规格（DNmm）长度理论重量（m=kg）标准法兰压力等级（MPa）(L=mm)(H=mm)1.衬塑等径三通应用25180903.60（参照TG12.2）1.0（1.6）322001005.12402301156.43502401207.516525012511.558026013014.0410031015518.3612538019026.6415046023034.9420061030561.0925076038095.45300610305143.73350730365192.62400830415217.52\n规格（DNmm）长度理论重量（m=kg）标准法兰压力等级（MPa）(L=mm)(H=mm)2.衬胶等径三通应用402401206.59（TG12.2）1.0502201107.756522011010.538026013013.5810032016017.0012539019525.7615046023032.5220061030556.2325062031080.00300710355112.00350820410159.59（参照TG12.2）400920460214.593.钢制等径三通应用DNHDNDNL规格（DNmm）长度理论重量（m=kg）标准等级(L=mm)(H=mm)1550250.06GB124592058290.112576380.183296480.2840114570.4750128640.6680172861.811002101052.701252481244.391502861436.0320035617815.6325043221626.9030050825437.7235055827959.0440061030579.50\n（二）异径三通应用规格（DN1mm/DN2mm）长度理论重量（m=kg）标准法兰压力等级（MPa）(L=mm)(H=mm)1.衬塑异径三通应用32/252001005.00(参照TG12.2)1.0（1.6）40/252301155.0040/322301156.0050/252401207.0050/322401207.0050/402401208.0065/252501259.0065/3225012510.065/4025012510.065/5025012510.080/2526013011.080/3226013011.080/4026013012.080/5026013012.080/6526013013.0100/2531015514.0100/3231015514.0100/4031015515.0100/5031015515.0100/6531015517.0100/8031015517.0125/2538019019.0125/3238019020.0125/4038019020.0125/5038019021.0125/6538019022.0125/8038019023.0125/10038019025.0150/2546023026.0150/3246023027.0150/4046023028.0\n规格（DN1mm/DN2mm）长度理论重量（m=kg）标准法兰压力等级（MPa）(L=mm)(H=mm)150/5046023028.0(参照TG12.2)1.0（1.6）150/6546023030.0150/8046023030.0150/10046023032.0150/12546023034.0200/4061030543.0200/5061030544.0200/6561030546.0200/8061030546.0200/10061030549.0200/12561030551.0200/15061030555.0250/5076038068.0250/6076038070.0250/8076038071.0250/10076038073.0250/12576038076.0250/15076038080.0250/20076038087.0300/50610305101300/65610305103300/80610305104300/100610305106300/125610305109300/150610305114300/200610305121300/250610305131350/50730365133350/65730365135350/80730365137350/100730365139350/125730365143350/150730365148350/200730365156350/250730365167350/300730365177400/100830415181400/125830415184400/150830415190400/200830415199400/250830415210400/300830415226400/3508304152372.衬胶异径三通应用\n规格（DN1mm/DN2mm）长度理论重量（m=kg）标准法兰压力等级（MPa）(L=mm)(H=mm)40/25240120(参照TG12.2)1.040/3224012050/2522011050/3222011050/4022011065/2522011065/3222011065/4022011065/5022011080/3226013080/4026013080/5026013080/65260130100/40320160100/50320160100/65320160100/80320160125/50390195125/65390195125/80390195125/100390195150/65460230150/80460230150/100460230150/125460230200/80610305200/100610305200/125610305200/150610305250/100620310250/125620310250/150620310250/200620310300/125710355300/150710355300/200710355300/250710355350/150820410350/200820410350/250820410350/300820410400/200920460400/250920460400/300920460400/350920460\n3.钢制异径三通应用DNHDNDNL规格（DN1mm/DN2mm）长度理论重量（m=kg）标准等级(L=mm)(H=mm)20/155829GB1245925/15763825/20763832/15964832/20964832/25964840/201145740/251145740/321145750/251285150/321285750/401286465/321526465/401526765/501527080/401727380/50172763.1580/6517283100/50210894.76100/6521095100/80210985.37125/65248108125/802481116.91125/1002481177.23150/802861249.38150/1002861309.54150/1252861379.83200/10035615619.52200/12535616219.79200/15035616820.28250/12543219128.45250/15043219428.45250/20043220831.71300/15050821937.68300/20050822939.93\n规格（DN1mm/DN2mm）长度理论重量（m=kg）标准等级(L=mm)(H=mm)300/25050824141.70GB12459350/20055824848.76350/25055825755.16350/30055827057.20400/25061028359.34400/30061029579.82400/35061030583.90四、同心异径管应用DN2DN1L规格（DN1mm/DN2mm）长度（L=mm）理论重量（m=kg）标准法兰压力等级（MPa）1.衬塑异径管应用32/251203.0（参照TG10·1A）1.0（1.6）40/251203.540/321204.050/251304.250/321304.650/401305.165/321406.065/401406.365/501406.980/401507.080/501507.780/651508.7100/501609.0100/6516010.0100/8016010.7125/6520013.0125/8020013.6\n规格（DN1mm/DN2mm）长度（L=mm）理论重量（m=kg）标准法兰压力等级（MPa）125/10020014.7（参照TG10·1A）1.0（1.6）150/6522015.6150/8022016.2150/10022017.4150/12522019.4200/10023024.7200/12523026.7200/15023028.1250/12525038.7250/15025040.0250/20025043.7300/12530047.0300/15030051.5300/20030055.2300/25030059.6350/20042084.2350/25042090.0350/30042096.2400/250450106.4400/300450112.0400/350450119.02.衬胶异径管应用40/251003.07（参照TG10·1A）≤5.040/321003.7350/251003.7250/321004.3950/401004.6265/251004.8565/321005.4965/401005.7465/501006.4080/401006.3480/501006.9580/651008.05100/501508.18100/651509.30100/801509.78125/6515010.05125/8015010.49125/10015011.12150/6520012.46150/8020013.20150/10020013.66150/12520014.45200/10020017.11\n规格（DN1mm/DN2mm）长度（L=mm）理论重量（m=kg）标准法兰压力等级（MPa）200/12520017.65（参照TG10·1A）≤5.0200/15020019.36250/12525022.31250/15025024.64250/20025027.40300/12530027.05300/15030030.70300/20030033.83300/25030036.73350/20035046.60350/25035050.87350/30035055.52400/25040063.37400/30040068.60400/35040076.183.钢制异径管应用DN1DN2L规格（DN1mm/DN2mm）长度（L=mm）理论重量（m=kg）标准法兰压力等级（MPa）20/15380.041GB1245925/15510.06425/20510.07232/15510.07532/20510.08332/25510.09140/20640.1240/25640.1340/32640.1450/25760.2250/32760.2450/40760.2665/32890.3865/40890.4165/50890.45\n规格（DN1mm/DN2mm）长度（L=mm）理论重量（m=kg）标准等级80/40890.53GB1245980/50890.5880/65890.64100/501020.76100/651020.84100/801020.92125/651271.20125/801271.30125/1001271.42150/801401.80150/1001401.96150/1251402.16200/1001523.41200/1251523.69200/1501524.00250/1251785.82250/1501786.21250/2001786.98300/1502039.10300/20020310.11300/25020311.12350/20033023.67350/25033025.89350/30033028.03400/25035633.02400/30035635.56400/35035638.09五、偏心异径管应用DN1DN2L标准、规格、尺寸按同心异径管应用。