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钢制管法兰用金属环垫
尺寸
GBT
9128-2003
钢制
法兰
金属环
9128
2003
GB/T9128-2003表1金属环垫尺寸单位为毫米公称通径DN平均环高八角形环的PN50及环号节径环宽椭圆形八角形平面宽度PN20PN150PN260PN420PN110PABH15R.1134.136.3511.119.534.321515R.1239.697.9414.2912.705.232015R.1342.867.9414.2912.705.232020R.1444.457.9414.2912.705.2325一R.1547.637.9414.2912.705.2325252520R.1650.807.9114.2912.705.2332R.1757.157.9114.2912.705.2332323225R.1860.337.9414.2912.705.2340R.1965.097.9414.2912.705.23404040R.2068.267.9414.2912.705.2332R.2172.2411.1117.4615.887.7550一R.2282.557.9414.2912.705.235040R.2382.5511.1117.4615.887.755050R.2495.2511.1117.4615.887.7565R.25101.607.9414.2912.705.236550R.26101.6011.1117.4615.887.756565R.27107.9511.1117.4615.887.7565R.28111.1312.7019.0517.478.6680一R.29114.307.9414.2912.705.2380R.30117.4811.1117.4615.887.758080R.31123.8311.1117.4615.887.7580R.32127.0012.7019.0517.468.6680R.35136.5311.1117.4615.887.75100R.36149.237.9414.2912.705.23100100R.37149.2311.1117.4615.887.75100R.38157.1615.8822.2320.6410.49100R.39161.9311.1117.4615.887.75125R.40171.457.9414.2912.705.23125125R.41180.9811.1117.4615.887.75125R.42190.5019.0525.4023.8112.32150R.43193.687.9114.2912.705.23125R.44193.6811.1117.4615.887.75150150R.45211.1411.1117.4615.887.75