1、法兰 Flange(FLG)中英文对照表：整体管法兰 integral pipe flange钢管法兰 steel pipe flange螺纹法兰 threaded flange滑套法兰（包括平焊法兰） slip-on flange (SO); slip-on welding flange承插焊法兰 socket welding flange松套法兰 lap joint flange (LJF)对焊法兰 welding neckflange (WNF)法兰盖 blind flange, blind孔板法兰 orifice flange异径法兰 reducing flange盘座式法兰 ? pa
2、d type flange松套带颈法兰 loose hubbed flange焊接板式法兰 ? welding plate flange对焊环 welding neck collar （与 stub end 相似）平焊环 welding-on collar突缘短节 stub end, lap翻边端 lapped pipe end松套板式法兰 loose plate flange压力级 pressure rating, pressure rating class压力温度等级 pressure-temperature rating法兰密封面，法兰面 flange facing突面 raised f
3、ace (RF)凸面 male face (MF)凹面 female face (FMF)榫面 tongue face槽面 groove face环连接面 ring joint face全平面；满平面 flat face; full face (FF)光滑突面 smooth raised face (SRF)法兰面加工 facing finish粗糙度 roughness光滑的 smooth齿形 serrated均方根 root mean square (RMS)算术平均粗糙高度 arithmetical average roughness height (AARH)配对法兰 companion-flange螺栓圆 bolt circle (B.C.)
