化学英语证书考试(PEC)化工机械安装词汇.doc

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 bonnet
1.1.1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 screw＆yoke [OS＆Y]
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 gear 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 bore ; 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 bonnet［BB］
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［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 seat
1.1.2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 valve
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 way 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 check 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 relief 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 operated 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 trap

Reducing 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 trap

control 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
Bimetallic expansion
压力比例调节阀
Pressure ratio regulating valve

steam trap
1.1.4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; (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
取样阀
Sampling valve
铁合金钢管
Ferritic alloy steel pipe
手动阀
Hand operated valve;
扎制钢管
Wrought-steel pipe

manually-operated valve
段铁管
Wrought-iron pipe
锻造阀
Forged valve
无缝钢管
Seamless[SMLS]steel pipe
铸造阀
Cast valve
焊接钢管
Welded steel pipe
实心本体的阀
Barstock valv e
电阻焊钢管
Electric-resistance-welded steel pipe
（水）龙头
Bibb; Bib; Faucet
电熔（弧）焊钢板卷管
Electric-fusion (arc)-welded
抽出液阀（小阀）
Bleed valve

steel-plate pipe
旁路阀
By-pass valve
螺旋焊接钢管
Spiral welded steel pipe
软管阀
Hose valve
镀锌钢管
Galvanized steel pipe
混合阀
Mixing valve
热轧无缝钢管
Hot-rolling seamless pipe
破真空阀
Vacuum breaker
冷拉无缝钢管
Cold-drawing seamless pipe
冲洗阀
Flush valve
水煤气钢管
Water-gas steel pipe
根部阀
Root valve;Primary valve;
塑料管
Plastic pipe

Header valve
玻璃管
Glass tube
1.2 管子、管件及法兰

橡胶管
Rubber tube
1.2.1 管子

壁厚
Wall thickness(WT)
管子（按照标准规格制造的配管用管）
Pipe
壁厚系列号
Schcdule number
管子（不按照标准规格制造的其他用管)
Tube
架厚的，加强的
Extra heavy; Extra stromg
钢管
Steel pipe
双倍加强的，双倍加厚的
Double extra heavy; Double
铸铁管
Cast iron pipe

extra strong
衬里管
Lined pipe
1.2.2管件
Fitting
复合管
Clad pipe
弯头
Elbow
碳钢管
Carbon steel [C.S.]pipe
异径弯头
Reducimg elbow
短半径弯头
Short radius elbow
带支座弯头
Base elbow
长半径180º弯头
Long radius return
长半径弯头
Long radius elbow
短半径180º弯头
Short radius return
等径四通
Straight cross
带侧向口的弯头（右向或左向）
Side outlet elbow(Right hand or left hand)
异经四通
Reducing cross

异径四通（一个分支口为异径）
Reducing cross (Reducing on one outlet)
双支管弯头
Double branch elbow

三通
Tee
异径四通（两个分支口为异径）
Reducing cross (Reducing on both outlet)
异径三通
Reducing tee

等径三通
Straight tee
异径四通（一个直通口及分支口为异径）
Reducing cross (Reducing on one run and outlet)
带侧向口的三通（右向或左向）
Side outlet tee (Right hand or left hand)

异径四通（一个直通口及两个分支口为异径）
Reducing cross (Reducing on one run and both outlet)
异径三通（分支口为异径）
Reducing tee(Reducing on outlet)

异径管
Reducer
异径三通（一个直通口为异径）
Reducing tee (Reducing on one run)
同心异径管
Concentric reducer

偏心异径管
Eccentric reducer
带支座三通
Base tee
锻制异径管
Reducing swage
异径三通（一个直通口及分支口为异径）
Reducing tee (Reducing on one tun and outlet)
支管连接
Branch connection

螺纹支管台
Thredolet
异径三通（两个直通口为异径）（双头式）
Reducing tee (Reducimg on both runs) (Bull head)
焊接支管台
Weldolet

承插焊支管台
Sockolet
45º斜三通
46ºLateral
弯头支管台
Elbolet
45º斜三通（支管为异径）
46ºLateral (Reducing on one branch)
斜接支管台
Latrolet

镶入式支管嘴
Sweepolet
45º斜三通（一个直通口为异径）
46ºLateral (Reducing on one run)
短管支管台
Nipolet

支管台，插入式支管台
Boss
45º斜三通（一个直通口及支管为异径）
46ºLateral (Reducing on one run and branch)
管接头
Coupling; Full coupling

半管接头
Half couping
Y型三通
True “Y”
异径接头
Reducing coupling
四通
Cross
活接头
Union
堵头
Plug
内外螺纹缩接
Bushing
短管
Nipple
管帽
Cap [C]
异径短节
Reducing nipple
法兰连接（接头）
Flanged joint
异径短节(外螺纹或无螺纹)
Swage nippe (选自BS 3800)
对焊连接（接头）
Bull welding joint
1.2.3 弯管

螺纹连接；管螺纹连接
Threaded joint; pipe
预制弯管
Fabricated pipe bend

threaded joint
跨越弯管( )形
Cross-over bend
锥管螺纹密封焊连接
Seal-welded taper pipe
偏置弯管（）形
Offset bend

threaded joint
90º弯管
Quarter bend
承插焊连接（接头）
Socket welded joint
环形弯管
Circle bend
承插连接（接头）
Bell and spigot joint
单侧偏置90º弯管( )形
Single offset quarter bend
焊接接头
Welded joint
S型弯管
“S” bend
环垫接头
Ring joint[RJ]
单侧偏置90º弯管
Single offset “U”bend
万向接头
Universal
U型弯管
“U” bend
软钎焊连接（接头）
Soldered joint
双偏置U型膨胀弯管
Double offset expansion
搭接接头
Lapped joint

“U” bend
外侧厚度切斜角
Bevel for outside thickness
斜接弯头
Mitre elbow
内侧厚度切斜角
Bevel for inside thickness
斜接弯
Mitre bend
内外侧厚度切斜角
Bevel for combined thickness
三节斜接管
4-piece mitre bend
法兰式的
Flanged [FLGD]
折皱弯管
Corrugated bend
对焊的
Butt welded [BW]
12.4 端部连接
End connection
螺纹的
Threaded [THD]
法兰端
Flanged end
承插焊的
Socket welded [SW]
坡口端；对焊端
Beveled end [BEV.E];Butt
小端为平的
Small end plain [SEP]

welded end
大端为平的
Large end plain [LEP]
平端
Plain end [PE]
两端平
Both ends plain [BEP]
承插焊端
Socket welding end
小端带螺纹
Small end thread [SET]
螺纹端
Threaded end [TE]
大端带螺纹
Large end thread
承口
Bell end
一端带螺纹
One end thread
焊接端
Welding end
两端带螺纹
Both ends thread
钢管法兰
Steel pipe flange
1.2.5法兰
Flange[FLG]
螺纹法兰
Threaded flange
整体管法兰
Integral pipe flange
滑套法兰（平焊法兰)
Slip-on-welding flange
光滑突面
Smooth raised face [SRF]

Slip-on [SO] flange
法兰面加工
Facing finish
承插焊法兰
Socket welding flange
粗糙度
Roughness
松套法兰
Lap joint flange [LJF]
光滑的
Smooth
对焊法兰
Weld neck flange [WNF]
齿形的
Serrated
法兰盖
Blind flange ; Blind
均方根
Root mean square [RMS]
孔板法兰
Orifice flange
算术平均粗糙高度
Arithmetical average roughness height[AARH]
异径法兰
Reducimg flange
1.   3管道特殊件
Piping soeciality
盘座式法兰
Pad type flange
1.3.1管道特殊件（组件）

松套带颈法兰
Loose hubbed flange
粗滤器
Strainer
板式平焊法兰
Welding plate flange
过滤器
Filter
对焊环
Welding neck collar
临时粗滤器（锥形)
Tenportary strainer(cone type)
（与stubend相似）
（与stubend相似）
T型粗滤器
T-type strainer
平焊环
Welding-on collar
永久过滤器
Permanent filter
管端突缘
Stub end
网状粗滤器
Gauze strainer
翻边端
Lapped pipe end
洗眼器及淋浴器
Eye washer and shower
松套板式法兰
Loose plate flange
视镜
Sight glass
压力级
Pressure rating ; Pressure rating class
阻火器
Flame arrester
压力-温度等级
Pressure-temperature rating
喷嘴；喷头
Sparay nozzle
法兰密封面；法兰面
Flange facing
喷射器
Ejector
突面
Raised face [RF]
取样冷却器
Sample cooler
凸面
Male face [MF]
消音器
Silencer
凹面
Female face [FMF]
膨胀节
Expansion joint
榫面
Tongue face
波纹膨胀节
Bellow expansion joint
槽面
Groove face
单波
Single bellow
环连接面
Ring joint face
双波
Double bellow
全平面；满平面
Flat face; Full face [FF]
多波
Multiple bellow
轴向位移型膨胀节
Axial movement type
压力平衡式膨胀节
Pressure balanced expansion joint
自均衡膨胀节（带外加强环)
Self-equalizing expansion joint
带铰链膨胀节
Hinged expansion joint
带拉杆膨胀节
Tied expansion joint
a) 材料

万向型膨胀节
Universal type expansion joint
碳素钢
Carbon steel [ C.S. ]
球形补偿器
Ball type expansion
低碳钢
Low-carbon steel

joint flexible ball joint
中碳钢
Medium-carbon steel
填函式补偿器
Slip type
高碳钢
High-carbon steel

(packed type expansion joint)
普通碳素钢
General carbon steel
1.3.2管道特殊元件
Piping special element
优质碳素钢
High-quality carbon steel
软管接头
Hose connection [HC]
普通低合金结构钢
General structure low-alloy steel
快速接头
Quick coupling
合金结构钢
Structure alloy steel
金属软管
Metal hose
合金钢
Alloy steel
橡胶管
Rubber hose
工具钢
Tool steel
挠性管
Flexible hose
弹簧钢
Spring steel
鞍形补强板
Reinforcing saddles，
钼钢
Molybdenum steel

Reinforcing pad
镍钢
Nickel steel
特殊法兰
Special flange
铬钢
Chrome steel
漏斗
Funnel
铬钼钢
Chrome-molybdenum steel
排液环
Drip ring
铬镍钢
Chrome-nickel steel
排液漏斗
Drain funnel
渗铬钢，镀铬钢
Chromized steel
插板
Blank
镀铬的
Chromium-plated ; chrome-plated
垫环
Spacer
不锈钢
Stainless steel [S.S.]
垫环
Special blind；Figure 9 blind
奥氏体不锈钢
Austenitic stainless steel
限流孔板
Restriction orifice
马氏体不锈钢
Martensitic stainless steel
爆破板
Rupture disk
司特来合金（钨铬钴合金)
Stellite
法兰盖贴面
Protective disc
耐蚀耐热镍基合金
Hastelloy
1.   4其它材料

平炉钢（马丁钢)
Martin steel
1.4.1一般材料

镇静钢
Killed steel
（1）  金属材料

半镇静钢
Semi-killed steel
铸钢
Cast steel
沸腾钢
Rimmed steel ; Rimming steel ; Open steel
铸铁
Cast iron [ C.I. ]
锻钢
Forged steel
灰铸铁
Grey cast iron
抗弯强度
Bending strength
可锻铸铁
Malleable iron [ M.i. ] ; Nodular
弹性极限
Elastic limit
球墨铸铁
Nodular cast iron ; Nodular graphite iron
疲劳极限
Fatigue limit
生铁
Pig iron
蠕变极限
Creep limit
熟铁，锻铁
Wrought iron
持久极限
Endurance limit
铸件
Casting
布氏极限
Brinell hardness
高硅铸铁
High silicon cast iron
洛氏极限
Rockwell hardness
非铁合金
Non-ferrous alloy
维氏极限
Vickers diamond hardness ; Diamond penetrator hardness
铝
Aluminum
(2)非金属材料
Non-metallic material
铜，紫铜
Copper
塑料
Blastic
黄铜
Brass
丙烯腈-丁二烯-苯乙烯
Acrylonitrile-butadiene-styrene
青铜
Bronze
聚乙烯
Polyethylene [ PE ]
铝青铜
Aluminum bronze
聚氯乙烯
Poly vinyl chloride [ PVC ]
磷青铜
Phosphor bronze
苯乙烯橡胶
Styrene-rubber [ SR ]
铝镁合金
Aluminum magnesium
聚丁烯
Polybutylene [ PB ]
锰青铜
Manganese bronze
聚丙烯
Polypropylene [ PP ]
蒙乃尔（注：镍及铜合金)
Monel
聚苯乙烯
Polystyrene [PS]
钛
Titanium
氯化聚醚
Chlorinated polyether [CPE]
铅
Lead
聚酰胺
Polyamide [PA]
硬铅
Hard lead
聚碳酸酯
Polycarbonate [PC]
(b)性能

聚甲基丙烯酸甲酯
Poly(methyl methacrylate) [PMMA]
极限强度
Ultimate strength
醋酸丁酸纤维素
Cellulose acetate butyrate [CAB]
抗拉强度
Tensile strength
氯化聚氯乙烯
Chlorinated poly vinyl chloride
屈服极限
Yield limit

[CPVC]
屈服点
Yield point
聚偏二氟乙烯
Poly vinylidene fluoride
延伸率
Percentage elongation
缩醛塑料
Acetal plastic
抗压强度
Compressive strength
尼龙塑料
Nylon plastic
聚四氟乙烯
Polytetrafluoroethylene[PTFE]
聚烯烃
Polyolefin[PO]
纤维增强热塑性塑料
Fiber reinforced thermop lastics
石墨酚醛塑料
Gtsphited phenolic plastics
热塑性塑料
Thermoplastic
无石墨压缩白石棉垫片

热固性
Thermoset

Non gtaphited compressed white asbestos gasket
胶粘剂
Adhesive
天然白棉垫片
Natural white rubber gasket
溶剂胶接剂
Solvent cement
压缩石棉垫片
Compressed asbestos gasket
树脂
Resin
浸聚四氟乙烯的石棉垫片

木材
Wood

PTFE impregnated asbestos gasket
耐火砖
Fire brick
夹石棉的缠绕金属垫片

陶瓷
Ceramic

Spiral-wound metal gasket with asbestos filler
搪瓷
Porcelain enamel
内环
Inner ring
硼硅玻璃
Borosillicate glass
外环，外定位环
Outer ring
玻璃
Glass
波纹金属垫片
Corrugated metal gasket
橡胶
Rubber
波纹金属包石棉垫片

丁腈橡胶
Nitrile butadiene rubber

Corrugated metal double jackted asbestos filled gasket
氯丁橡胶
Neoprene
双夹套波纹金属包石棉垫片

天然橡胶
Natural rubber

Double jacketed asbestos filled gasket
乙丙橡胶
Ethylene propylene rubber[ EPR]
双夹套垫片
Double jacketed gasket
乙烯丙烯二烃单
Ethylene propylene diene monomer[EPDM]
金属包石棉平垫片
Flat metal jacketed asbestos
1.4.2垫片
Gasket [GSKT]

filled gasket
垫片的型式
Type of gasket
实心金属齿形垫片
Solid metal serated gasket
平垫片
Flat gasket
槽形金属垫片
Grooved metal gasket
环形平垫片
Flat ring gasket
环形连接金属垫片
Ring joint metal gasket
平