2.管道特殊元件Piping Special Element 软管接头 hose connection (HC) 快速接头 quick coupling 金属软管 metal hose 橡胶管 rubber hose 挠性管 flexible tube 鞍形补强板 reinforcing saddles 补强板 reinforcement pad 特殊法兰 special flange 漏斗 funnel 排液环 drip ring 排液漏斗 drain funnel 插板 blank 垫环 spacer 8字盲板 spectacle blind; figure 8 blind 限流孔板 restriction orifice 爆破片 rupture disk 法兰盖贴面 protective disc 费托立克接头 victaulic coupling
3. 端部连接 End Connection 法兰端 flanged end 坡口端 beveled end (BE) 对焊端 butt welded end 平端 plain end (PE) 承插焊端 socket welding end 螺纹端 threaded end (TE) 承口 bell end 焊接端 welding end 法兰连接(接头) flanged joint 对焊连接(接头) butt welded joint 螺纹连接，管螺纹连接 threaded joint, pipe threaded joint 锥管螺纹密封焊连接 seal-welded taper pipe threaded joint 承插焊连接(接头) socket welded joint 承插连接(接头) bell and spigot joint 环垫接头 ring joint (RJ) 万向接头 universal joint 软钎焊连接(接头) soldered joint 搭接接头，松套连接 lapped joint 外侧厚度切斜角 bevel for outside thickncss 内侧厚度切斜角 bevel for inside thickness 内外侧厚度切斜角 bevel for combined thickness 法兰式的 flanged (FLGD) 对焊的 butt welded (BW) 螺纹的 threaded (THD) 承插焊的 socket welded (SW) 小端为平的 small end plain (SEP) 大端为平的 large end plain (LEP) 两端平 both ends plain (BEP) 小端带螺纹 small end thread (SET) 大端带螺纹 large end thread (LET) 两端带螺纹 both end thread (BET) 一端带螺纹 one end thread (OET) 支管连接 branch connection
