船用法兰铸钢吸入通海阀GB/T2029-80,船用法兰铸钢吸入通海阀(四进位)GB/11691-89,公称压力；PN0.4MPA,公称通径DN80-DN400,适用介质；海水，淡水，阀体，阀盖；铸钢/锡青铜，阀盘阀座；锡青铜，阀杆；铝青铜。性能规范公称压力(MPa)公称通径(mm)适用介质0480-400海水、淡水主要零部件材质零件名称材料名称牌号Marks阀体、阀盖铸钢ZG230-450阀盘、阀座铸锡青铜ZCuSn102n2阀杆铝青铜CuA19Mn2基本尺寸公称通径结构尺寸法兰螺栓壁厚手轮升程参考重量DN(mm)LHDDiD2bDon个(k）501252301351038413156M1471401614.46514524015512310413156M1471402017.68015526017013811814158M1471602416.810017528019015813814158M1481803021.8125200310215183164141510M1482004030.8150225340240208190141512M1492254847.8200275375295264247151512M1492806068.4250325425365327306161714M161036070104.0300375480430386360192214M201140078167.0350425560480436410202216M2011450100221.0400475640530486460212216M2012500110292.0