附表5:常用盲板厚度及尺寸表法兰原则盲板外径（m）盲板厚度（mm）NCL.1MPa0.2MPa0.3MPa0.4MPa0.5Ma0.6MP.7a1550651111111530000525111120150611111230/6006.511111125150651125300/601111140508411111140306004.51111115050104.5111115300/00111111111655013.511515506121111.5.51.80136111.5111.2800/00148.11.5151.5.200150174.511.51.51.220030101.1.515220060019211.1.55221216152233320151.523312560024011.5233150150221.1.5223315300250.52333150002651.223215027533344420303061.53334440060031933344515033823445552530030.544250600399245531504035660030042144663501549345668530081.5346800513356888000538888401054845881015305.5568811001054610115030653480101060050.58810101515600300774588011550507756110151517030826810515151803088810101515151580300398101015151515