inner circulation--内循环

outer circulation--外循环

self circulation--自循环

flush--冲洗 

flush fluid--冲洗流体 

quench--阻封 

quench fluid--阻封流体 

buffer fluid--隔离流体 

temperature adjustable fluid--调温流体 

coolant--冷却流体 

heating fluid--加热流体 

sealed medium--被密封介质 

sealant--密封流体 

pv --pv值(密封流体压力P与密封端面平均滑动速度V的乘积) 

limiting pv --密封达到失效时的PV值.它表示密封的水平 

working pv --极限PV值除以安全系数 

PcV--端面比压Pc与密封端面平均滑动速度V的乘积 

limiting PcV --密封达到失效时的PcV值.它表示密封材料的工作能力 

working PcV --许用PcV值.极限PcV值除以 安全系数 

leakage rate-- 泄漏量 

run out--跳动 

wear rate--磨损率 

operating life--工作寿命 

operating period--使用期 

abortive failure--早期失效 

Operating limits:工作参数 

Speed/velocity:转速 

Combination of material:材料组合 

Halted ring:弹簧挡圈 

Bellows:波纹管 

Retainer:传动套，传动座 

Drive ring:压圈 

Cup gasket:静环套 

Spring retainer:弹簧座 

O-ring: O形圈 

Tension spring:拉簧  

Stationary seat:静环形式/静环基座 

Rotary seat:动环座 

Drive screw:传动螺钉 

Wave spring/Bellow spring:波形弹簧 

Rotary o-ring:动环O形圈 

Stationary o-ring:静环O形圈 

Collar:定位套 

Snap ring/clamp ring:卡环 

Disc/thrust ring:止推环 

Wedge ring:楔形环 

Mating ring:静止环/静环 

Primary ring:动止环/动环 

Inventory:存货 

Agitator:搅拌器 

Cryogenics:低温学 

Mixer:搅拌机 

Refinery:炼油 

Petrochemical:石化 

Pulp:纸浆 

Paramecia:配药 

Desalination:脱盐 

Wastewater:污水 

Impeller:叶轮 

Fit:安装 

Lead:石墨，铅 

Edge:边缘 

Grade:等级 

Secondary sealing element:辅助密封材质 

Hydrostatic:流体静力学的 

Cross-section:横截面 

Material code:材料代码 

Seal size:密封轴径尺寸 

Assembly number:装配代码 

Sulphuric:硫酸 

Nitric acid:销酸 

Phosphoric acid:磷酸 

Hydrochloric:盐酸 

PV—pressure/velocity:压力与转速 

RS—rotating seat:动环座 

Multiplier:增效器 

TC—tungsten carbide:硬质合金 

Pin:销 

Engage:接合,啮合 

Pro剖面/侧面 

Adapter:适配器    

Titled:倾斜的 

Weld/welt:焊接 

Nested:嵌套的,镶装的 

Configuration:配置,构造

Axial:轴向的,轴的 

Working height/length:工作高度 

Tolerance:公差,容差 

Operating pressure:工作压力 

FIM—full indicator movement: 

Lubricity:光滑 

Gravity:重力 

Face material:密封面材料 

Insert/shrink-fitted:镶装的 

Primary ring adapter:动环座 

Mating ring adapter:静环座 

Delivery period:交货期 

Set screw:固定螺钉 

Cap screw:帽螺钉 

Gland:填料函盖 

Drive retainer:传动套 

Plate:镀金 

Gland plate:密封座 

Mean time:平均时 

Durability:耐用性 

Thrust ring:推环 

Clamp ring:卡环 

Eccentricity:偏心率/度,偏心距 

Deflection:偏斜,偏差 

Runout:偏转,溢流  

Pilot pins: 定位销 

Bolt:螺栓 

Screw:螺钉 

Nut:螺母 

Washer:垫圈 

Pin:销 

Rivet:铆钉 

Anchor:壁虎 

Machine screw:机械螺钉 

Wooden screw:木螺钉 

Threaded rod螺杆 

Wire rope clamps:玛卡 

Hex head pipe plugs:六角形螺塞 

Phillip:十字槽 

Spring-loaded pluger: 弹簧销 

Hex head:六角形头 

Flange:法兰 

Seal component materials:密封材料成分

Secondary sealing element:辅助密封材料 

Primary ring:动环 

Mating ring:静环 

Hardware:结构件 

Mechanical loading device (spring):弹簧材料 

Ovality:椭圆 

Letter of intent:意向书 

Rotary ring is whole part or shrink-fitted:动环是整体还是镶装的 

Leaf:金属薄片 

End play:轴向间隙 

Pad:衬垫 

Asymmetric:不对称的 

Seal adapter:密封座 

Tandem:前后的，串联的 

Inlet:进口 

Outlet:出口 

Inboard:内侧/介质端 

Outboard:外侧/大气端 

Convection:传送，对流 

Port:端口， 

Slot:狭槽 

Reducing agent:还原剂 

Notch:槽口，凹口 

Band:镶边 

Clogging:堵塞 

Tune 弹簧圈数 

Foul:淤塞 

Flatness:平面度 

Downtime:检修时间 

Alternative methods:替代方法

Wear ring:磨损环 

Torsion:扭距 

Cast:铸件 

Confining:狭窄的 

Spring seat:弹簧座 

Plug-proof:防转销 

Drive ring:推环 

Push ring: 推环 

Halted ring: 挡圈 

Cup gasket: 静环套 

Rotary ring holder/adapter/carrier: 动环座 

Axial pipe:轴套 

Drive ring/plunger collar:压圈 

Spring retainer/seat: 弹簧座

1. secondary sealing element 辅助密封, 一般指是橡胶材

2. primary ring 动环 

3. hardware 结构件 

4. mating ring 静环 

5. mechanical loading device 一般是指弹簧的材料 

1.Type 密封类型 

2.direction of the spring 弹簧旋向(RH-右旋,LH-左旋) 

3.type of seat 静环形式(例如G9,G6,G60...) 

4.combination of material 材料组合 

a.rotary ring (primary ring ) 动环 

b.stationary ring (mating ring ) 静环 

c.secondary mech.seals 辅助密封一般指橡胶 

d.spring 弹簧 

e.other metal parts 其他金属部件

常有的橡胶材料 

1.丁晴橡胶 NBR--Nitrile butadiene rubber 

2.乙丙橡胶 EPR/EPDM--ethylene propylene rubber 

3.氟橡胶 FPM/FKM--fluoroelastomer 

4.硅橡胶 MVQ--silicon rubber 

5.氯丁橡胶 CR--neoprene/chloroprene rubber

6.氢化丁晴 HNBR--hydrogen NBR 

7.全氟橡胶 Kalrez / FFKM --perfluorocarbon rubber  

四氟类材料 

1. 纯聚四氟乙烯 PTFE--polytetrafluoroethylene (Teflon和TEF也可以表达) 

2. 四氟填充玻璃纤维 glassfibre filled PTFE 

3. 四氟填充碳纤维 carbonfibre filled PTFE 

4. 四氟包覆氟橡胶 FPM coated PTFE 

5. 四氟包覆乙丙橡胶 EPDM coated PTFE 

6. 四氟包覆硅橡胶 MVQ coated PTFE 

7. 柔性石墨 fexible graphite, 像比较有名的是GRAFOIL™® fexible graphite  

国外客户常要的碳化硅(silicon carbide)材料 

1. 无压烧结碳化硅 sintered pressureless bonded sic (S-SIC) 

2. 无压烧结碳化硅镶装 shrink-fitted /inserted S-SIC 

3. 反应烧结碳化硅 sintered reaction bonded sic (R-SIC) 

4. 反应烧结碳化硅镶装 shrink-fitted /inserted R-SIC 

5. 表面硅化石墨 surface silicated sic  

常用氧化铝材料: 

1. 含99%白色氧化铝.99% AL2O3 

2. 含95%白色氧化铝.95% AL2O3 

3. 金属陶瓷 cermet

    

石墨材料: 

1. 浸锑石墨 antimony filled carbon 

2. 浸巴氏合金石墨 carbon-graphite impregnated babbit 

3. 浸呋喃树脂石墨 carbon-graphite impregnated Furan resin 

4. 浸环氧树脂石墨 carbon-graphite impregnated Epoxy resin 

5. 浸酚醛树脂石墨 carbon-graphite Phenol Aldehyde resin 

6. 热压石墨,hot pressing carbon graphite  金属材料 

7. stainless steel (S.S)--不锈钢--(国外客户经常需要的牌号是304,316,316L) Ni-resist iron = cast iron--高镍铸铁，现在客人对这个材料需要的比较多 Hast. alloy--合氏合金 AM350--沉淀硬化不锈钢 brass--黄铜 

8. CDMCu--双相钢 （用在铸件上比较多）  

机械密封分类术语...  

1. 机械端面密封-mechanical face seal 

2. 流体动压式机械密封-hydrodynamic mechanical seal 

3. 切向作用流体动压式机械密封-tangential acting hydrodynamic mechanical seal 

4. 径向作用流体动压式机械密封-radial acting hydrodynamic mechanical seal 

5. 流体静压式机械密封-hydrostatic mechanical seal 

6. 外加压流体静压式机械密封-outside pressurized hydrostatic mechanical seal 

7. 自加压流体静压式机械密封-self pressurized hydrostatic mechanical seal 

8. 非接触式密封-non contacting (free contacting) mechanical seal 

9. 内装式机械密封-internally mounted mechanical seal 

10. 外装式机械密封-externally mounted mechanical seal 

11. 弹簧内置式机械密封-mechanical seal with inside mounted spring 

12. 弹簧外置式机械密封-mechanical seal with outside mounted spring 

13. 背面高压式机械密封-mecanical seal with high back pressure 

14. 背面低压式机械密封-mechanical seal with low back pressure 

15. 内流式机械密封-mechanical seal with inward leakage 

16. 外流式机械密封-mechanical seal with outward leakage 

17. 弹簧旋转式机械密封-spring rotating mechanical seal 

18. 弹簧静止式机械密封-spring standing mechanical seal 

19. 单弹簧式机械密封-single-spring mechanical seal 

20. 多弹簧式机械密封-multiple-spring mechanical seal 

21. 非平衡式机械密封-unbalanced mechanical seal 

22. 平衡式机械密封-balanced mechanical seal 

23. 单端面机械密封-single mechanical seal 

24. 双端面机械密封-double mechanical seal 

25. 轴向双端机械密封-axial double mechanical seal 

26. 径向双端面机械密封-radial double mechanical seal 

27. 串联机械密封-tandem mechanical seal 

28. 橡胶波纹管机械密封-rubber-bellows mechanical seal 

29. 聚四氟乙烯波纹管机械密封-PTFE-bellows mechanical seal 

30. 金属波纹管机械密封-metal bellows mechanical seal 

31. 焊接金属波纹管机械密封-welded metal bellows mechanical seal 

32. 压力成型金属波纹管机械密封-formed metal bellows mechanical seal 

33. 带浮动间隔环的机械密封-mechanical seal with floating intermediate ring 

34. 磁力机械密封-magnetic mechanical seal  

机械密封零件术语的常用词汇....  

1. sealing ring --密封环

2. eal face--密封端面 

3. seal interface--密封界面

4. rotating ring--动环/旋转环

5. stationary ring--静环/静止环 

6. compensated ring--补偿环

7. un-compensated ring--非补偿环 

8. seal head--补偿环组件 

9. primary seal--主密封

10. secondary seal--副密封 

11. auxiliary seal--辅助密封

12. auxiliary seal ring--辅助密封圈

13. bellows--波纹管 

14. pushing out ring--撑环 

15. back-up ring--挡圈 

16. compensated ring adaptor--补偿环座 

17. un-compensated ring adaptor--非补偿环座 

18. spring adaptor--弹簧座 

19. seal adaptor--波纹管座 

20. retainer--传动座 

21. driving screw--传动螺钉

22. set screw--紧定螺钉 

23. snap ring--卡环 

24. clamp ring--夹紧环 

25. anti-rotating pin--防转销 

26. annular seal space--密封腔 

27. seal chamber--密封腔体 

28. end cover--密封端盖 

29. elastic component--弹性元件 

30. a pair of friction components--摩擦副  

机械密封常用英语表达词汇

Impeller:叶轮 

Outside cup gasket: 静环外套 

Inside cup gasket: 动环内套 

Spring holder:弹簧垫 

Seal ring:密封环 

Framework:骨架 

Square ring:方型圈 

Wave spring:波形弹簧 

Cylinder spring:圆柱弹簧 

Coil spring:锥形弹簧 

Integral seal case:整体密封盒 

Purity:纯度 

Density:密度 

HS—hardness:硬度 

Tensile strength:抗拉强度 

Bending strength:抗弯强度 

Compression strength:抗压强度 

Thermal conductivity:传热导系数 

Coefficient of thermal expansion:热膨胀系数 

Heat resistance:耐热 

Thermal impact coefficient:热冲击系数 

Acid resistance:耐酸 

Medium:介质 

Porosity:显气孔率 

Rockwell hardness:洛式硬度 

Breaking strength:抗析强度 

Stability of thermal vibration: 抗震稳定性 

Optical flatness:工作面平整度 

Roughness:粗糙度 

Lightbrand:光带 

Classification:分类 

Model:型号 

Thore hardness: 肖氏硬度 

Feature:特性 

Stamping:冲压 

Lobe pump:凸轮泵 

Step:台阶 

1、防转销 Anti-Rotating Pin 

2、螺 栓 Bolt  

3、静环密封圈 Stationary Seal Ring 

4、螺 钉 Screw  

5、下静环 Lower Stationary Ring 

6、轴套螺母 Bushing nut  

7、动环密封圈 Rotating Seal Ring 

8、0形密封圈 0-ring  

9、下动环 Lower Rotating Ring 

10、紧定套 Set Bushing  

11、小弹簧 Small Spring 

12、紧定螺母 Set Nut  

13、螺 钉 Screw 

14、调节套 Adjust Bushing

15、弹簧座 Spring Adater 

16、毡封油圈 Oil seal  

17、推 环 Thrust Ring 

18、滚动轴承 Bearing  

19、轴 套 Shaft Sleeve 

20、垫 板 Gasket Plate  

21、螺 栓 Bolt 

22、J形油封 Seal Ring  

23、密封箱体 Seal Box 

24、推环 Thust Ring  

25、密封垫 Gasket 

26、上静环 Upper Stationary Ring  

27、密封箱盖 Seal Box Cover 

28、上动环 Upper Rotating Ring  

29、轴承盖 Bearing Cover