化工管道设计技术词汇（中英对照完整版）(3)

引导阀操纵的安全泄气阀 pilot operated safety valve 复式安全泄气阀 twin type safety valve 罐底排污阀 flush-bottom tank valve

电磁阀 solenoid valve, solenoid operated valve

电动阀 electrically operated valve, electric-motor operated valve 气动阀 pneumatic operated valve 低温用阀 cryogenic service valve 蒸汽疏水阀 steam trap

机械式疏水阎 mechanical trap

浮桶式疏水阀 open bucket trap, open top bucket trap 浮球式疏水阀 float trap

倒吊桶式疏水阀 inverted bucket trap 自由浮球式疏水阀 loose float trap 恒温式疏水阀 thermostatic trap

金属膨胀式蒸汽疏水阀 metal expansion steam trap 液体膨胀式蒸汽疏水阀 liquid expansion steam trap

双金属膨胀式蒸汽疏水阀 bimetallic expansion steam trap 压力平衡式恒温疏水阀 balanced pressure thermostatic trap 热动力式疏水阀 thermodynamic trap 脉冲式蒸汽疏水阀 impulse steam trap

放气阀（自动放气阀） air vent valve (automatic air vent valve) 平板式滑动闸阀 slab type sliding gate valve 盖阀 flat valve

换向阀 diverting valve, reversing valve 热膨胀阀 thermo expansion valve 自动关闭阀 self-closing gate valve 自动排液阀 self-draining valve 管道盲板阀 line-blind valve

挤压阀 squeeze valve（用于泥浆及粉尘等） 呼吸阀 breather valve 风门、挡板 damper

减压阀 pressure reducing valve, reducing valve 控制阀 control valve

膜式控制阀 diaphragm operated control valve 执行机构 actuator

背压调节阀 back pressure regulating valve

差压调节阀 differential pressure regulating valve 压力比例调节阀 pressure ratio regulating valve

1.6.4 未指明结构（或阀型）的阀

切断阀 block valve; shut-off valve; stop valve

（疏水阀用） 调节阀 regulating valve 快开阀 quick opening valve 快闭阀 quick closing valve 隔断阀 isolating valve 三通阀 three way valve 夹套阔 jacketed valve

非旋转式阀 non-rotary valve 排污阀 blowdown valve 集液排放阀 drip valve 排液阀 drain valve 放空阀 vent valve

卸载阀 unloading valve 排出阀 discharge valve 吸入阀 suction valve 多通路阀 multiport valve 取样阀 sampling valve

手动阀 hand-operated valve; manually operated valve 锻造阀 forged valve 铸造阀 cast valve

（水）龙头 bibb; bib; faucet 抽出液阀（小阀） bleed valve 旁路阀 by-pass valve 软管阀 hose valve 混合阀 mixing valve

破真空阀 vacuum breaker 冲洗阀 flush valve

第一道阀；根部阀 primary valve 根部阀 root valve 总管阀 header valve

事故切断阀 emergency valve

1.7 管道特殊件 Piping Specialty

1.7.1 管道特殊件（组件）

粗滤器 strainer 过滤器 filter

临时粗滤器（锥型） temporary strainer (cone type) y 型粗滤器 y-type strainer

T型粗滤器 T-type strainer 永久过滤器 permanent filter 丝网粗滤器 gauze strainer

洗眼器及淋浴器 eye washer and shower 视镜 sight glass

阻火器 flame arrester 喷嘴；喷头 spray nozzle 取样冷却器 sample cooler 消声器 silencer

膨胀节 expansion joint

波纹膨胀节 bellow expansion joint 单波 single bellow 双波 double bellow 多波 multiple bellow

压力平衡式膨胀节 pressure balanced expansion 带铰链膨胀节 hinged expansion joint

轴向位移型膨胀节 axial movement type expansion joint 自均衡膨胀节（外加强环）self-equalizing expansion joint 带接杆膨胀节 tied expansion joint

万向型膨胀节 universal type expansion joint 球形补偿器 ball type expansion joint

填函式补偿器 slip type (packed type) expansion joint 单向滑动填料函补偿器 single action packed slip joint

1.7.2 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

1.8 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

焊接支管 branch pipe welded directly to the run pipe

2 管道用紧固件及螺纹

2.1 紧固件

螺栓 bolt

六角头螺栓 hexagonal head bolt 方头螺栓 square head bolt 螺柱，双头螺栓 stud bolt 环头螺检 eye bolt

沉头螺栓 countersunk (head) screw 地脚螺栓 anchor bolt; foundation bolt 松紧螺旋扣（花篮螺丝） turnbuckle U形螺栓 U-bolt T形螺栓 T-bolt

圆头螺钉 round head bolt 机螺栓，机螺钉 machine bolt 顶开螺栓，顶起螺栓 Jack screw 自攻螺钉 self tapping screw 膨胀螺栓 expansion bolt 粗制的 coarse

精制的 finished, fine 螺母 nut

六角螺母 hexagonal nut 方螺母 square nut 蝶形螺母 wing nut 扁螺母 flat nut 锁紧螺母 lock nut 垫圈 washer

平垫圈 plain washer

球面垫圈 spherical washer 弹簧垫圈 spring washer 方垫圈 square washer 斜垫圈 slant washer 销轴 pinned shan 销 pin

开口销 cotter pin 定位销 dowel pin 带孔销 pin with hole 圆锥销 taper pin

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