船用浮球式空气管头AIRPIPEHEADOFFLOATINGBALL的技术参数：类型TYPE浮球式FLOATINGBALL公称通径Nominalpath125A/80A适用场所Applicable船舶甲板/油水舱Shipdeck/oil-watertank材质Material铸铁castiron材质壁厚Thickness6mm-8mm工作温度Temperature常温Normalatmospherictemperature工作压力Pressure0.3MPA连接方式Connection法兰连接Flangeconnection制作工艺Manufacturingprocess浇筑pouring***书Certificate工厂合格证Factorycertificate/船检证书Certificateofship)