HG20601-2009钢制管法兰盖PN0.6PN1.0PN1.6PN2.5PN4.0公称通径法兰盖厚度理论重量法兰盖厚度理论重量法兰盖厚度理论重量法兰盖厚度理论重量法兰盖厚度理论重量10120.38140.63140.63140.63140.6315120.44140.71140.71140.71140.7120140.66161.01161.01161.01161.0125140.82161.23161.23161.23161.2332161.34182.03182.03182.03182.0340161.59182.35182.35182.35182.3550161.86203.2203.2203.2203.265162.45204.06204.06224.29224.2980183.86204.61204.61245.53245.53100184.75226.21226.21247.59247.59125186.1228.12228.122610.82610.8150208.342411.42411.42814.62814.62002213.52416.52416.53022.53427.22502420.22624.12624.13233.53844.43002427.82630.82835.13446.34264.13502434.72639.6304838684689.540024422649.43263.54089.650126.74502451.22862.93686.946119.957154.15002665.12875.136108.64815057187.860030102.934123.744184.358244.37233170040178.338182.548235.780044251.942259.95232590048335.446343.858437100052434.352473.264601.712006071760764.776998.21400681093.81600761544.11800842130.12000922860.5)