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常用压力压强换算

Suction 常用压力压强单位换算表

 Pa(N/m2)Kgf/cm2barmbaratmtorrinH2OmmHgPSI(lb/in2)
Pa11.02×10-51×10-50.019.87×10-67.5×10-34.01×10-37.5×10-31.45×10-4
Kgf/cm29.8×10410.98980.670.967735.56393735.5614.2
bar1×1051.02110000.987750.06401750.0614.5
mbar1001.02×10-30.00119.87×10-40.750.4010.751.45×10-2
atm1013251.031.011013.25176040676014.7
torr133.321.36×10-31.33×10-31.331.32×10-310.53511.93×10-2
inH2O249.092.54×10-32.49×10-32.492.46×10-31.8711.873.61×10-2
mmHg133.321.36×10-31.33×10-31.331.32×10-310.53511.93×10-2
PSI68957.03×10-26.90×10-268.956.81×10-251.71527.651.7151

单位解释:

Pa 帕斯卡

bar

mbar 毫巴

atm 标准大气压(atmosphere)

torr 托; 1 Torr 定为大气压力的 1/760 倍

inH2O inch of water(inH2O) 1 inH2O=249.082Pa=0.249082kPa

PSI Pounds per square inch 英镑/平方英寸,145psi=1MPa

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