给排水管道材质外观检验要求.docx

设备专业材质外观检验技术参数一、水箱1、水箱尺寸、容积应按照设计图纸要求选用2、水箱应配有进水管、出水管、溢流管、泄水管、通气管、水位信号控制装置 或接口、人孔、内外人梯等3、水箱板材厚度应符合设计图纸要求，如图纸未注明确切要求可按下表（表 1-1 表 1-2 ）要求加以选择：表 1-1 不锈钢水箱板材厚度要求序 号公称 容积m3箱体尺寸（m）外形尺寸（m）箱板厚度（mm）长宽高长宽高顶板底板侧板1段2段3段4段5段6段111111.181.181.091.51.51.5222112.181.181.091.51.51.5382222.182.182.091.52.01.51.54123223.182.182.091.52.01.51.55205225.182.182.091.52.01.51.56305325.183.182.091.52.01.51.57405425.184.182.091.52.01.51.5850542.55.184.182.091.52.01.51.5975652.56.185.182.591.52.01.51.510906536.185.183.091.52.01.51.52.0111208538.185.183.091.52.01.51.52.012150105310.185.183.091.52.01.51.52.013180106310.186.183.091.52.01.51.52.014200105410.185.184.091.52.51.51.52.02.015240106410.186.184.091.52.51.51.52.02.016300106510.186.185.091.52.51.51.52.02.02.517400108510.188.185.091.52.51.51.52.02.02.5185001010510.1810.185.091.52.51.51.52.02.02.5196001010610.1810.186.091.53.01.51.52.02.02.52.5表 1-2 搪瓷钢板水箱板材厚度要求序 号公称 容积m3箱体尺寸（m）外形尺寸（m）箱板厚度（mm）长宽高长宽高顶板底板侧板11.71.8811211.1243423.91.881.51.521.51.6236.72.3821.52.521.6249.53.3821.53.521.62510.92.8822322.12614.63.8822422.12718.44.8822522.12823.34.882.5252.52.12928.24.8832532.121035.24.8832.5532.621138.85.3832.55.532.621254.06.383.52.56.53.52.621366.86.8842.5742.621480.97.384.52.57.54.52.621596.27.8852.5852.6216115.47.8853853.1253底层4其余517130.18.8853953.1218189.19.886.53106.53.1219497.314.38103.514.5103.6220984.519.8812.542012.54.12二、低压流体输送用焊接、热镀锌钢管 管材外观尺寸应符合如下要求（表 2-1） 表 2-1 焊管、热镀锌钢管外观尺寸公称口径外径外径允 许偏差普通钢管加厚钢管min壁厚m壁厚允许偏 差％壁厚m壁厚允许偏 差％151/221.32.753.25203/426.82.753.5025133.5±0.53.25+124.00+12325/442.33.25-154.00-15403/248.03.504.2550260.0±1%3.504.50655/275.53.754.5080388.54.004.751004114.04.005.001255140.04.005.501506165.04.505.50三、无缝钢管 管材外观尺寸应符合如下要求（表 3-1） 表3-1无缝钢管外观尺寸（mm）公称 直径一外径壁厚尺寸25342.02.53.03.54.04.55.05.56.06.532422.53.03.54.04.55.05.56.06.540482.53.03.54.04.55.05.56.06.550603.03.54.04.55.05.56.06.565763.03.54.04.55.05.56.06.57.07.58.01080893.54.04.55.05.56.06.57.07.58.0101001083.03.54.04.55.05.56.06.57.07.58.0101144.04.55.05.56.06.57.07.58.0101251334.55.06.07.08.01404.55.06.07.08.09.01501594.55.06.07.08.09.010111214161686.07.08.09.010111214162002196.07.08.09.010111214162502737.08.09.010111214163003258.09.010111214163503779.01011121416四、薄壁不锈钢管1 、管材和管件的材料及用途（表 4-1 ）表 4-1牌号用途OCr18Ni(304)冷水、热水、饮用冷水等管道OCr17(430)消防、冷水、热水管道OOCr17(430LX)消防、冷水、热水管道OCr18Mo2(444)冷水、热水、饮用水等管道2、管道材质型号及厚度应符合设计图纸要求，若设计图纸无具体要求时，应根 据不同的管道连接形式对管材壁厚加以选择，具体要求见下表（表 4-2~表 4-6）表4-2氩弧焊式管材规格（单位：mm）公称直径DN管道外径及允许偏差Dw公称壁厚及允许偏差T1514 0-0.160.6±0.062020 0-0.172526 0-0.180.8±0.083234.8 +0.02-0.181.0±0.104040 +0.02-0.195050 +0.02-0.206567 +0.10-0.141.2±0.128076±0.131.5±0.15100102±0.15125133±0.8%Dw3.0±0.30150159±0.8%Dw200219±0.8%Dw4.0±0.40表4-3 I系列卡压式连接管材规格（单位：mm）公称直径DN管道外径及允许偏差Dw公称壁厚及允许偏差T计算内径 dj1518.0±0.101.0±0.1016.02022.0 ±0.111.2±0.1219.62528.0±0.1425.63235.0±0.181.5±0.1532.04042.0±0.2139.05054.0±0.2751.06576.1 ±0.3873.18088.9 ±0.442.0±0.2084.9100108.0±0.54104.0表4-4 II系列卡压式连接管材规格（单位：mm）公称直径DN管道外径及允许偏差Dw公称壁厚及允许偏差T计算内径 dj1515.88±0.100.8 ±0.0816.02022.22 ±0.111.0±0.1019.62528.58 ±0.1425.63234.00 ±0.181.2±0.1232.04042.70 ±0.2139.05048.60±0.2751.0表4-5环压。