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1、化学英语证书考试（PEC）-化工机械安装词汇1.1 阀门类压力密封的阀盖Pressure seal bonnet1.1.1阀门结构.零件动力操纵器Powered operator阀轭 Yoke电动操纵器 Electric motor operator外螺纹阀杆及有阀轭Outside screwyoke OSY气动操纵器Pneumatic operator阀杆Stem液压操纵器Hydraulic operator内螺纹阀杆 Inside screw快速操纵器（滑动阀杆）Quick-acting operator (sliding stem)阀轭套 Yoke sleeve正齿轮传动 Spur ge
2、ar operated阀杆环 Stem ring 伞齿轮传动 Bevel gear operated 阀座 Valve seat (Body seat)扳手操作 Wrench operated阀座环.密封圈 seat ring链轮 Chain wheel整体阀座 Integral seat手轮 Hand wheel堆焊阀座 Deposited seat手柄Hand level (Handle)阀心(包括密封圈.杆等) Trim气缸（或液压缸）操纵的 Cylinder operated 阀盘 Dise链条操纵的Chain operated 阀盘密封圈 Dise seat等径孔道 Full bor
3、e ; Full port 阀体 Body异径孔道 Reducing bore ; Reduced port ; Venturi port阀盖 Bonnet短型 Short pattern阀盖衬套Bonnet bush紧凑型（小型) Compact type 螺纹阀帽Screw cap笼式环Lantern ring 螺纹阀盖Screw bonnet压盖 Gland螺栓连接的阀盖Bolted bonnetBB阀杆填料Stem packing活接阀盖(帽)Union bonnet (cap)阀盖垫片 Bonnet gasket螺栓连接的阀帽Bolt cap BC升杆式（明杆）Rising stem
4、RS焊接阀盖Welded bonnet WB非升杆式（暗杆）Non-rising stem NRS本体阀杆密封Body stem seal开闭指示器/限位器 Indicator/stopper石棉安全密封Asbestos emergency seal注油器 Grease injector倒密封Back seal可更换的阀底座 Renewable seat ring 平行双闸阀 Double disc parallel seat1.1.2常用阀楔形双闸阀 Split wedge(1) 闸阀 Gate valve挠性楔形闸阀 Flexible solid wedge（9） 旋塞阀 Plug val
5、ve楔形单闸板 Solid wedge三通旋塞阀 Three-way plug valve塞形闸阀 Plug gate valve四通旋塞阀 Four-way plug valve疏通型闸阀 Through conduit gate valve旋塞 Cock(2) 截止阀 Globe valve衬套旋塞 Sleeve cock球心型阀盘 Globe type disc（10）隔膜阀 Diaphragm valve 塞型阀盘 Plug type disc 橡胶衬里隔膜阀 Rubber lined diaphragm valve可转动的阀盘 Swivel disc直通式隔膜阀 Straight w
6、ay diaphragm valve(3) 节流阀 Throttle valve堰式隔膜阀 Weir diaphragm valve针阀Needle valve（11）加紧式胶管阀 Pinch valve (用于泥浆、粉尘等)(4) 角阀（角式截止阀） Angle valve（12）止回阀 Check valve(5) Y型阀（Y型阀体截止阀) Y-valve (Y-body globe valve)升降式止回阀 Lift check valve(6) 球阀 Ball valve旋启式止回阀 Swing check valve 三通球阀4-way ball valve落球式止回阀 Ball c
7、heck valve装有底轴的 Trunnion mounted 弹簧球式止回阀 Spring ball check valve耐火型 Fire safe type 双板对夹式止回阀 Dual plate wafer type check valve 防脱出阀杆 Blowout proof stem无撞击声止回阀 Non-slam check valve (7) 蝶阀 Butterfly valve底阀 Foot valve对夹式（薄片式) Wafer type 切断式止回阀 Stop check valve凸耳式 Lug type 活塞式止回阀 Pistonche check valve偏心
8、阀板蝶阀 Offset disc butterfly valve,翻板止回阀 Flap check valve Eccentric butterfly valve翻转盘式止回阀 Tilting disc check valve斜阀盘蝶阀 Canted disc butterfly valve蝶式止回阀 Butterfly check valve连杆式蝶阀 Link butterfly valve 安全泄气阀 Safety valve SV止回式蝶阀 Combined non-return安全泄液阀 Relief valve RV butterfly valve安全泄压阀 Safety reli
9、ef valve （8） 柱塞阀 Piston type valve杠杆重锤式 Lever and weight type罐底排污阀 Flush-bottom tank valve引导阀操纵的安全泄气阀 Pilot operated safety valve波纹管密封阀 Bellow sealed valve复式安全泄气阀 Twin type safety valve电磁阀 Solenoid valve ; solenoid 自动关闭阀Self-closing valve operated valve自动排液阀 Self-draining valve 电动阀 Electrically oper
10、ated valve ;管道盲板阀 Line-blind valve Electric-motor operated valve挤压阀 Sgueeze valve气动阀 Pneumatic operated valve (用于泥浆及粉尘等一般不能全关闭)低温用阀 Cryogenic service-valve呼吸阀 Breather valve 蒸汽疏水阀 Steam trap风门 Damper 机械式疏水阀 Mechanical trap减压阀Pressuer reducing valve; 浮桶式疏水阀 Open bucket trap;open top bucket trapReduci
11、ng valve 浮球式疏水阀 Float trap控制阀 Control valve 倒吊桶式疏水阀 Inverted bucket trap膜式控制阀 Diaphragm, operated 自由浮球式疏水阀 Loose float trapcontrol valve 恒温式疏水阀 Thermostatic trap执行机构 Actuator 金属膨胀式蒸汽疏水阀 Metal expansion steam trap背压调节阀 Back pressure regulating液体膨胀式蒸汽疏水阀 Liquid expansion steam trap valve 双金属膨胀式蒸汽疏水阀 B
12、imetallic expansion 压力比例调节阀 Pressure ratio regulating valve steam trap1.1.4未指明结构（或阀型）的阀压力平稳式恒温疏水阀 Balanced pressure 切断阀Block valve; shut-off valve;thermostatic trap stop valve热动力式疏水阀 Thermodynamic trap 调节阀 Regulating valve 脉冲式蒸汽疏水阀 Impulse steam trap 快开阀 Quick opening valve 放汽阀（自动放汽阀） Air vent valve
13、; (Automatic air vent valve ) (疏水阀用)快闭阀 Quick closing valve 平板式滑动闸阀 Slab type sliding gate valve 隔断阀 Isolating valve 盖阀 Flat valve 三通阀 Three way valve 换向阀 Diverting valve; Reversing夹套阀 Jacketed valve valve 非旋转式阀 Non-rotary valve热膨胀阀 Thermo expansion valve 排污阀 Blowdown valve 放空阀 Vent valve 集液排放阀 Drip valve 卸载阀 Unloading valve 排液阀 Drain valve 排出阀 Discharge valve 合金钢管 Alloy steel pipe吸入阀 Suction valve 不锈钢管 Stainless steel S.S.pipe多通路阀 Multiport valve 奥氏体不锈钢管 Austenitic stainless pipe取样
