公称直径DN（mm）1015202532405065801001251501752002252503003504004505006007008009001000110014001600管道外经do(mm)141825323845577310813316919421924527332537742785296307208209201020122014201620法兰单位重量（Kg）PN=0.25MPaPN=0.6MPaPN=1.0MPaPN=1.6MPa0.2510.2900.4500.5530.7950.8700.9541.4301.9502.2002.7803.4903.8604.8805.9307.3209.40010.50011.70014.90016.20020.60029.90036.70044.20052.70065.90078.30094.3000.3130.3350.5360.11.0971.2191.3481.6702.4802.03.9404.4705.5406.0706.6008.03010.30012.59015.20017.59020.67026.57037.10046.20055.10057.3000.4580.5110.7480.01.4001.7102.0902.8403.2404.0405.4006.1207.4408.2409.30010.70012.90015.90021.80024.40027.20039.4000.5470.7110.8671.1741.6002.0002.6103.4503.7104.8006.4707.9208.81010.10011.70015.70018.10023.30031.00040.20055.10080.300
