压力等级

压力等级PN（Mpa）CIass2.01505.030011.060015.090026.0150042.02500公称通径和钢管外径公称通径101520253240506580钢管外径A17.221.326.933.742.448.360.376.188.9B141825323845577689公称通径100125150200250300350400450500钢管外径A114.3139.7168.3219.1273323.9355.6406.4457508B108133159219273325377426480530公称通径600700800900100012001400160018002000钢管外径A610711813914101612191422162618292032B630720820920102012201420162018202020公称通径NPS（in）1/23/4111/411/2221/234DN1520253240506580100钢管外径21.326.933.742.448.360.376.188.9114.3公称通径NPS（in）56810121416182022DN125150200250300350400450500550钢管外径139.7168.3219.1273.0323.9355.6406.4457508559公称通径NPS（in）24262830323436384042DN60065070075080085090095010001050钢管外径61066071176281386491496510161067公称通径NPS（in）444648505254565860DN110011501200125013001350140014501500钢管外径111811681219127013211372142214731524法兰类型及类型代号欧洲体系美洲体系法兰类型法兰类型代号法兰类型法兰类型代号板式平焊法兰PL带颈平焊法兰SO带颈平焊法兰SO带颈对焊法兰WN带颈对焊法兰WN整体法兰IF整体法兰IF承插焊法兰SW承插焊法兰SW螺纹法兰Tｈ螺纹法兰Tｈ对焊环松套法兰LF/SE对焊环松套法兰PJ/SE法兰盖BL平焊环松套法兰PJ/RJ大直径管法兰WN法兰盖BL衬里法兰盖BL（S）法兰的尺寸公差（欧洲体系）项目法兰型式尺寸范围极限偏差法兰厚度C双面加工的所有型式法兰（包括锪孔）C≤18﹢2018﹤C≤50﹢30C﹥50﹢40法兰的尺寸公差（美洲体系）项目法兰型式尺寸范围极限偏差法兰厚度C双面加工的所有型式法兰（包括锪孔）DN≤450﹢3.20DN﹥450﹢4.80碳素钢、合金钢无缝钢管的尺寸和理论质量（SH3405-96）公称直径DN外径mm壁厚及理论质量SCH20SCH30SCH40SCH60SCH80SCH100SCH120SCH140SCH160XXSmmKg/mmmKg/mmmKg/mmmKg/mmmKg/mmmKg/mmmKg/mmmKg/mmmKg/mmmKg/m10172.5.0893.51.1715223.01.414.01.785.02.107.52.6820273.01.784.02.275.52.928.03.7525343.52.634.53.276.54.419.05.55(32)423.53.335.04.566.55.6910.07.8940484.04.345.05.307.07.0810.09.3750603.54.884.05.525.06.785.57.397.09.158.510.7911.013.29(65)764.57.935.08.756.010.367.011.918.013.429.515.5814.021.4080894.59.385.511.336.513.227.515.079.017.7611.021.1615.027.371001145.013.446.015.987.018.478.522.1111.027.9414.034.5217.040.66(125)1405.016.656.521.408.026.049.530.5713.040.7116.048.9319.056.691501685.520.046.525.897.027.799.537.1311.042.5914.053.1718.066.5822.079.212002196.534.067.036.608.041.6310.051.5413.066.0415.075.4618.089.2220.098.1524.0115.4123.0111.172502736..542.728.052.289.561.7313.083.3515.095.4318.0113.1922.0136.1725.0152.8928.0169.1725.0152.893003256.551.058.566.3410.077.6814.0107.3717.0129.1222.0164.3825.0184.9528.0205.0734.0244.0026.0191.713503568.068.659.581.1711.093.5815.0126.1419.0157.9024.0196.4928.0226.4832.0255.6736.0284.084004068.078.529.592.8913.0125.9917.0163.0822.0208.3326.0243.6432.0295.1336.0328.4740.0361.024504578.088.5811.0120.9814.0152.9419.0205.2224.0256.2730.0315.8935.0364.2340.0411.3345.0457.205005089.5116.7813.0158.6915.0182.3620.0240.6826.0309.0432.0375.6238.0440.4345.0513.7950.0564.715505599.5128.7313.0175.0417.0227.2222.0291.3328.0366.6435.0452.2642.0535.4748.0604.8654.06720486006109.5140.6814.0205.7618.0262.7825.0360.6532.0456.1138.0536.0145.0626.9852.0715.5360.0813.78奥氏体不锈钢无缝钢管尺寸和理论质量（SH3405-96）公称直径DN外径mm壁厚及理论质量SCH5SSCH10SSCH20SSCH40SSCH80SmmKg/mmmKg/mmmKg/mmmKg/mmmKg/m10171.20.471.60.622.00.752.50.913.21.1115221.60.822.01.002.51.223.01.434.01.8020271.61.022.01.252.51.533.01.804.02.3025341.61.302.82.193.02.333.52.674.53.32（32）421.61.622.82.753.02.933.53.375.04.6340481.61.862.83.173.03.384.04.415.05.3850601.62.342.84.013.54.954.05.615.57.50（65）762.03.703.05.483.56.355.08.897.012.0980892.04.363.06.464.08.515.511.507.515.301001142.05.613.08.334.011.016.016.228.522.45（125）1402.89.623.511.965.016.906.521.729.531.031501682.811.583.514.415.020.407.028.2111.043.232002192.815.154.021.536.534.578.042.2513.067.032502733.523.614.026.936.543.369.562.6615.096.873003254.032.134.536.106.551.829.575.0217.0131.063503564.035.245.043.934004064.545.225.050.18法兰连接型式及密封面型式代号（SH3406-96）连接型式代号密封面型式代号对焊WN凸台面RF承插焊SW全平面FF平焊SO凹凸面MF（凹面为LF，凸面为LM）螺纹PT榫槽面（TG槽面为GF，榫面为TF）松套LJ环曹面RJ或环号(R11~R79)法兰盖不标注钢制对焊无缝管件类型及代号（SH3408-96）类型代号45°弯头长半径45E90°弯头长半径90E短半径90E(S)180°弯头长半径180E短半径180E(S)异径管（大小头）同心R(C)偏心R(E)三通等径T(S)异径T(R)管帽CST/T3517-20012.2.1三通一平即：道路通、通电、通水一平：场地平整3.1.1管道组成件的制造单位，经省级以上质量单位技术监督行政部门的安全注册。3.3.14（3）安全阀应按设计压力规定的开启压力进行调试，当设计为规定时，开启压力应为工作压力的1.05~1.15倍，会做压力应大于工作压力的0.9倍。3.4.4C对焊无缝、对焊焊接管件：管件上不得有深度大于工程壁厚5%且大于0.8mm的结疤、折叠、扎折、离层、发纹。管件上不得有深度大于工程壁厚12%且大于1.6mm的机械划痕和凹坑。奥实体不锈钢和低温钢管道法兰不得用钢印作标识。3.6.5设计压力大于或等于10Mpa、设计温度低于-29℃管道用的合金钢螺栓、螺母应逐件进行光谱分析。每批应抽两件进行硬度试验。3.6.7其他管道用的合金钢螺栓、螺母应抽5%且不少于一件进行光谱分析。3.8.3视镜经外观检查后，应逐个进行液压，强度试验和密封性试验。强度试验压力为设计压力的1.5倍，密封性试验压力为设计压力。3.8.6过滤器应以设计压力的1.5倍逐个进行液压，强度试验3.8.8承压阻火器逐个对壳体进行液压、强度试验]，试验前不得安装内部充填物，试验压力为设计压力的1.5倍进行。5.6.5管道焊接接头射线检测百分率管道类别设计条件检测百分率(%)合格等级压力(Mpa)温度℃SHA－－100ⅡⅢSHB≤≥4＜≥400100≥4-29~40020＜4≥400＜4-29~40010SHC≥6.4≥400100≥4-29~40010＜4≥400＜4-29~4005SHD－＜-70100－-29~-7020SHE≥10≥400100≥10-29~400≥P＜10≥400≥P＜10＜400≥P＜4≥400≥P＜4＜400＜1≥400＜1186~400原油和成品油设施改造工程中交前“三查四定”参加单位内容存在问题整改时间责任人备注技术处18号路～6号路的钢结构、涂漆、地坪，DN700原油、DN150成品油、DN200蒸汽、150凝结水DN200回用水管线安装及保温，生产处机动处安环处储运厂炼油厂动力厂设计院质检站永登二建西古四建省二建河南保温吉林监理工程部“三查”既查设计图纸施工情况、查设计变更执行情况、查尾项，“四定”既定任务、定时HG20610-9外环材料金属带材料非金属带材料内环材料名称代号名称代号名称代号名称代号无00Cr18Ni92特制石棉纸1无0低碳钢10Cr17Ni12Mo23柔性石墨带2低碳钢10Cr18Ni9200Cr17Ni14Mo24聚四氟乙烯30Cr18Ni92特制非石棉纸40Cr17Ni12Mo2300Cr17Ni14Mo24代号GTAW（钨极气体保护焊）—Ⅱ（试件类别）—6G（45°向上焊）—2/57—02—实心焊序号123456名称焊接方法试件钢号试件形式代号焊缝金属厚度/试件外管焊条类别代号焊接要素代号代号SMAW（手工电弧焊）—Ⅱ—3G（立焊）—14—F3J（低氧型碱性）序号12345名称焊接方法试件钢号分类试件形式代号焊缝金属