常用压力单位换算表和过滤网目数对照表

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1、常用压力单位换算表牛顿/米2(帕斯卡)(N/m2)(Pa)公斤力/米2(kgf/m2)公斤力/厘米2(kgf/cm2)巴(bar)标准大气压(atm)毫米水柱4oC(mmH2O)毫米水银柱0oC(mmHg)磅/英寸2(lb/in2,psi)牛顿/米2(帕斯卡)(N/m2)(Pa)10.10197210.1972×10-61×10-50.986923×10-50.1019727.50062×10-3145.038×10-6公斤力/米2(kgf/m2)9.8066511×10-49.80665×10-59.67841×

2、10-51×10-80.07355590.00142233公斤力/厘米2(kgf/cm2)98.0665×1031×10410.9806650.96784110×103735.55914.2233巴(bar)1×10510197.21.0197210.98692310.1972×103750.06114.5038标准大气压(atm)1.01325×10510332.31.033231.01325110.3323×10376014.6959毫米水柱4oC(mmH2O)0.1019721×10-81×10-49.806

3、65×10-59.67841×10-5173.5559×10-31.42233×10-3毫米水银柱0oC(mmHg)133.32213.59510.001359510.001333220.0013157913.595110.0193368磅/英寸2(lb/in2,psi)6.89476×103703.0720.07030720.06894760.0680462703.07251.71511目数(mesh)微米(μm)目数(mesh)微米(μm)DOWRESTRICTED-Forinternaluseonly2800

4、0100150367001151254475012012054000125115633501301137280014010982360150106101700160961214001709014118017586161000180801888020075208302306224700240612860025058305502705332500300483542532545403804003842355500254532560023483008001850270100013602501340106523020006.

5、57021250002.68018080001.690160100001.3美标与公制阀门尺寸和压力等级对照表DOWRESTRICTED-ForinternaluseonlyANSI标准阀门磅级与公制标准PN等级对照表ANSI#150300400600800900150025004500PNbarPN6PN25PN64PN100-PN150PN250PN420PN760PN10PN40PN16PN50PN20　 ANSI标准阀门口径与公制标准阀门工程直径对照表英寸1/81/43/81/23/4111/411/222

6、1/2DN(mm)461015202532405065　英寸331/2456810121416DN(mm)8090100125150200250300350400　英寸18202426283032343642DN(mm)4505006006507007508008509001050　英寸485460647280848896　DN(mm)120013501500160018002000210022002400　----DN(mm)-----------NB(inch)---------OD(mm)　　15------

7、--------1/2--------------21.3　　20--------------3/4--------------26.7　　25--------------1----------------33.4　　32--------------11/4-----------42.2　　40--------------11/2-----------48.3　　50--------------2----------------60.3　　65--------------21/2-----------73.0　　8

8、0--------------3----------------88.9　　100--------------4------------114.3　　125--------------5------------139.8DOWRESTRICTED-Forinternaluseonly　　150--------------6------------168.3