口径尺寸换算.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1/8"610.31/4"813.73/8"1017.11/2"0.8401521.31821.33/4"1.0502026.92526.727.21"1.3152533.73233.43411/4"1.6603242.43842.242.711/2"1.9004048.34548.348.62"2.3755060.35760.360.521/2"2.8756576.17673.076.33"3.5008088.98988.989.131/2"90

2、101.6101.64"4.500100114.3108114.3114.35"5.563125139.0133141.3139.806"6.625150168.3159168.3165.208"8.625200219.1219219.1216.3010"10.750250273.0273273.1267.4012"12.750300323.9325323.9318.5014"14.000350355.6377355.6355.6016"16.000400406.4426406.4406.4018"18.0004504

3、57.0478457.2457.2020"20.000500508.0529508.0508.0022"22.000550559.0558.8558.0024"24.000600610.0630609.6609.6026"26.000650660.0660.4660.4028"28.000700711.0720711.2711.2030"30.000750762.0762.0762.0032"32.000800813.0820812.8812.8034"34.000850864.0863.6863.6036"36.00

4、0900914.0920914.4914.4038"38.000950965.0965.2965.2040"40.00010001016.010201016.01016.0042"42.00010501067.01066.81066.8044"44.00011001118.011201117.61117.6046"46.00011501168.01168.41168.4048"48.00012001219.0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45º90º180º中心高H中心高FPK长半

5、径长半径短半径长半径短半径长半径短半径1/2"15163876483/4"20163876511"251638257651564111/4"322048329564705211/2"402457381147683622"503276511521021068121/2"654095641911271321003"80471147622915215912131/2"9055133892671781841404"100631521023052032101595"125791901273812542621976"1509522

6、91524573053132378"20012630520361040641431310"25015838125476250851839112"30018945730591461061946714"350221533356106771171153316"400253610406121981381361018"450284686457137291491468620"50031676250815241016101676222"550347838.255916761118111883824"600379914.4610182

7、91219121991426"650410990.666028"7004421066.871130"750473114376232"8005051219.281334"8505371295.486436"9005681371.691438"9506001447.896540"10006311524101642"10506631600.2106744"11006941676.4111846"11507261752.6116848"12007581828.8121952"13008211981132156"14008832

8、134142060"15009472286152464"160010102438162068"170010732591172772"180011372743182976"190011992896193080"2000126330482032