1、GB/T15530.4-2008表4PN6突面铜合金带颈平焊法兰尺寸单位为毫米连接尺寸密封面法兰颈法兰内颈公称管子法兰法兰近似尺寸外径法兰螺栓孔中螺栓螺栓厚度高度质量DN外径心圆直径A孔径数量螺纹Hkg个L规格10157550M10352122815.52.50.38580的M1040183420.52.50.4320259065114M10502121835425.52.50.5525321007511M106014204532.50.79323812090144M1270152152438.51.20404513010014M1280316225845.51.445055140110M12
2、903705631.75657016013014M12110317268757132.23808519015018M161281928104863.46100108210170184M161482029125510934.0212513524020018M16178320291525136.534.8415016026522518M162022029178161.55.56(175)190295255188M16232320292105191.536.4520022032028018M1625820292355221.56.82(225)250345305M16282223426562527.902502603753351812M1631222342852623.59.673003204403952212M20365223423223.511.963503604904452212M2041542237390836214.774004195404952216M20465243943942117.534504575955502216M20520447745925.625005086456002220M20570304553451030.33带括号尺寸不推荐使用
