ASME磅级ASME Class公称压力MPa公称压力PN1500.6 MPa1.0 MPa1.6 MPa2.0 MPaPN6PN10PN16PN203002.5 MPa4.0 MPa5.0 MPaPN25PN40PN504006.4 MPa60010.0 MPaPN64PN1001Pa帕1Pa帕1bar巴1kgf / cm2 千克力 / 厘米21atm标准大气压1at工程大气压1Torr托1mm毫米水柱1mmHg毫米汞柱1Psi磅 / 英寸2110000098066.510132598067133.39.8067133.3226894.761bar巴1kgf / cm21atm标准大气压0.000010.000010.0000111.019720.98690.9806710.96781.013251.03310.9806710.96780.001330.001360.001320.0000980.00010.00009680.001330.001360.001320.068950.070310.06805800-9001500250015.0 MPa25.0 MPa42.0 MPa-PN150PN250PN4201at工程大气压1Torr 托1mm H2O1mm Hg1Psi磅 / 英寸20.000010.00750.101970.00750.000141.01972750.06210.1972750.06214.5041735.610735.614.221.03376010.33276014.6971735.610735.614.220.00136113.610.019340.00010.0735610.073560.001420.00136113.595110.019340.0703151.7149703.0751.71491