口径尺寸换算(3页).doc

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1、-各国口径尺寸换算公称尺寸inchinch公称通径DN国标A国标B美标日标1/8610.31/4813.73/81017.11/20.8401521.31821.33/41.0502026.92526.727.211.3152533.73233.43411/41.6603242.43842.242.711/21.9004048.34548.348.622.3755060.35760.360.521/22.8756576.17673.076.333.5008088.98988.989.131/290101.6101.644.500100114.3108114.3114.355.563125139

2、.0133141.3139.8066.625150168.3159168.3165.2088.625200219.1219219.1216.301010.750250273.0273273.1267.401212.750300323.9325323.9318.501414.000350355.6377355.6355.601616.000400406.4426406.4406.401818.000450457.0478457.2457.202020.000500508.0529508.0508.002222.000550559.0558.8558.002424.000600610.063060

3、9.6609.602626.000650660.0660.4660.402828.000700711.0720711.2711.203030.000750762.0762.0762.003232.000800813.0820812.8812.803434.000850864.0863.6863.603636.000900914.0920914.4914.403838.000950965.0965.2965.204040.00010001016.010201016.01016.004242.00010501067.01066.81066.804444.00011001118.011201117.

4、61117.604646.00011501168.01168.41168.404848.00012001219.0国标、美标弯头尺寸inch公称通径 DN中心至端面中心至中心背部至端面4590180中心高H中心高FPK长半径长半径短半径长半径短半径长半径短半径1/215163876483/420163876511251638257651564111/4322048329564705211/2402457381147683622503276511521021068121/265409564191127132100380471147622915215912131/29055133892671781

5、84140410063152102305203210159512579190127381254262197615095229152457305313237820012630520361040641431310250158381254762508518391123001894573059146106194671435022153335610677117115331640025361040612198138136101845028468645713729149146862050031676250815241016101676222550347838.255916761118111883824600

6、379914.461018291219121991426650410990.6660287004421066.8711307504731143762328005051219.2813348505371295.4864369005681371.6914389506001447.8965401000631152410164210506631600.210674411006941676.411184611507261752.611684812007581828.81219521300821198113215614008832134142060150094722861524641600101024381620681700107325911727721800113727431829761900119928961930802000126330482032-第 3 页-