管件、管材英语词汇

1 管道组成件 Piping component

1.1 管子 Pipe

管子(按照配管标准规格制造的) pipe

管子(不按配管标准规格制造的其他用管) tube

钢管 steel pipe

铸铁管 cast iron pipe

衬里管 lined pipe

复合管 clad pipe

碳钢管 carbon steel pipe

合金钢管 alloy steel pipe

不锈钢 stainless steel pipe

奥氏体不锈钢管 austenitic stainless steel pipe

铁合金钢管 ferritic alloy steel pipe

轧制钢管 wrought-steel pipe

锻铁管 wrought-iron pipe

无缝钢管 seamless (SMLS) steel pipe

焊接钢管 welded steel pipe

电阻焊钢管 electric-resistance welded steel pipe

电熔（弧）焊钢板卷管 electric-fusion (arc)-welded steel-plate pipe

螺旋焊接钢管 spiral welded steel pipe

镀锌钢管 galvanized steel pipe

热轧无缝钢管 hot-rolling seamless pipe

冷拔无缝钢管 cold-drawing seamless pipe

水煤气钢管 water-gas steel pipe

塑料管 plastic pipe

玻璃管 glass tube

橡胶管 rubber tube

直管 run pipe; straight pipe

1.2 管件 Fitting

弯头 elbow

异径弯头 reducing elbow

带支座弯头 base elbow

k半径弯头 long radius elbow

短半径弯头 short radius elbow

长半径180°弯头 long radius return

短半径180°弯头 short radius return

带侧向口的弯头（右向或左向） side outlet elbow (right hand or left hand)

双支管弯头（ 形） double branch elbow

三通 tee

异径三通 reducing tee

等径三通 straight tee

带侧向口的三通（右向或左向） side outlet tee (right hand or 1eft hand)

异径三通（分支口为异径） reducing tee (reducing on outlet)

异径三通（一个直通口为异径）reducing tee (reducing on one run)

带支座三通 base tee

异径三通（一个直通口及分支口为异径） reducing tee (reducing on one run and outlet)

异径三通（两个直通口为异径，双头式） reducing tee (reducing on both runs, bull head)

45°斜三通 45° lateral

45°斜三通（支管为异径） 45° lateral (reducing on branch)

45°斜三通(一个直通口为异径) 45° lateral (reducing on one run)

45°斜三通(一个直通口及支管为异径) 45° lateral (reducing on one run and branch)

Y型三通（俗称裤衩） true “Y”

四通 cross

等径四通 straight cross

异径四通 reducing cross

异径四通（一个分支口为异径）reducing cross (reducing on one outlet)

异径四通（一个直通口及分支口为异径） reducing cross (reducing on one run and outlet)

异径四通（两个分支口为异径） reducing cross (reducing on both outlet)

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)

异径管 reducer

同心异径管 concentric reducer

偏心异径管 eccentric reducer

锻制异径管 reducing swage

螺纹支管台 threadolet

焊接支管台 weldolet

承插支管台 sockolet

弯头支管台 elbolet

斜接支管台 latrolet

镶入式支管嘴 sweepolet

短管支管台 nipolet

支管台，插入式支管台 boss

管接头 coupling, full coupling

半管接头 half coupling

异径管接头 reducing coupling

活接头 union

内外螺纹缩接（俗称补芯） bushing

管帽 cap (C)

堵头 plug

短节 nipple

异径短节 reducing nipple; swage nipple

1.3 弯管 Bend

预制弯管 fabricated pipe bend

跨越弯管（^ 形） cross-over bend

偏置弯管（~ 形） offset bend

90°弯管 quarter bend

环形弯管 cirele bend

单侧偏置90°弯管（? 形） single offset quarter bend

S形弯管 “S” bend

单侧偏置U形膨胀弯管（| ?形） single offset “U” bend

U形弯管 “U” bend

双偏置U膨胀弯管 double offset expansion “U” bend

斜接弯管 mitre bend

三节斜接弯管 3-piece mitre bend

折皱弯管 corrugated bend

圆度 roundness

1.4 法兰 Flange (FLG）

整体管法兰 integral pipe flange

钢管法兰 steel pipe flange

螺纹法兰 threaded flange

滑套法兰（包括平焊法兰） slip-on flange (SO); slip-on welding flange

承插焊法兰 socket welding flange

松套法兰 lap joint flange (LJF)

对焊法兰 welding neckflange (WNF)

法兰盖 blind flange, blind

孔板法兰 orifice flange

异径法兰 reducing flange

盘座式法兰 pad type flange

松套带颈法兰 loose hubbed flange

焊接板式法兰 welding plate flange

对焊环 welding neck collar （与stub end相似）

平焊环 welding-on collar

突缘短节 stub end, lap

翻边端 lapped pipe end

松套板式法兰 loose plate flange

压力级 pressure rating, pressure rating class

压力—温度等级 pressure-temperature rating

法兰密封面，法兰面 flange facing

突面 raised face (RF)

凸面 male face (MF)

凹面 female face (FMF)

榫面 tongue face

槽面 groove face

环连接面 ring joint face

全平面；满平面 flat face; full face (FF)

光滑突面 smooth raised face (SRF)

法兰面加工 facing finish

粗糙度 roughness

光滑的 smooth

齿形 serrated

均方根 root mean square (RMS)

算术平均粗糙高度 arithmetical average roughness height (AARH)

配对法兰 companion-flange

螺栓圆 bolt circle (B.C.)

1.5 垫片 Gasket (GSKT)

垫片的型式 type of gasket

平垫片 flat gasket

环形平垫片 flat ring gasket

平金属垫片 flat metal gasket

夹棉织物的橡胶 elastomer with cotton fabric insertion

夹石棉织物的橡胶 elastomer with asbestos fabric insertion

夹石棉织物及金属丝加强的橡胶 elastomer with asbestos fabric insertion and with wire reinforcement

无石墨压缩白石棉垫片 non graphited compressed white asbestos gasket

天然白橡胶垫片 natural white rubber gasket

压缩石棉垫片 compressed asbestos class gasket

浸聚四氟乙烯的石棉垫片 PTFE impregnated asbestos gasket

夹石棉的缠绕金属垫片 spiral-wound metal gasket with asbestos filler

内环 inner ring

外环，外定位环 outer ring

波纹金属垫片 corrugated metal gasket

波纹金属包嵌石棉垫片 corrugated metal gasket with asbestos inserted

双夹套波纹金属包石棉垫片 corrugated metal double jacketed asbestos filled gasket

双夹套垫片 double jacketed gasket

金属包石棉平垫片 flat metal jacketed asbestos filled gasket

整体金属齿形垫片 solid metal serrated gasket

槽形金属垫片 grooved metal gasket

环形连接金属垫片 ring joint metal gasket

八角环形垫片 octagonal ring gasket

椭圆环形垫片 oval ring gasket

透镜式垫片 lens gasket

非金属垫片 non-metallic gasket

1.6 阀门 Valve

1.6.1 阀门结构、零件

阀轭 yoke

外螺纹阀杆及阀轭 outside screw and yoke (OS & Y)

阀杆 stem

内螺纹 inside screw (IS)

阀轭套 yoke sleeve

阀杆环 stem ring

阀座 valve seat (body seat)

阀座环、密封圈 seat ring

整体（阀）座 integral seat

堆焊（阀）座 deposited seat

阀芯（包括密封圈、杆等内件） trim

阀盘 disc

阀盘密封圈 disc seat

阀体 body

阀盖 bonnet

阀盖衬套 bonnet bush

螺纹阀帽 screw cap

螺纹阀盖 screw bonnet

螺栓连接的阀盖 bolted bonnet (BB)

活接阀盖（帽） union bonnet (cap)

螺栓连接的阀帽 bolted cap (BC)

焊接阀盖 welded bonnet (WB)

本体阀杆密封 body stem seal

石棉安全密封 asbestos emenen seal

倒密封 back seal

压力密封的阀盖 pressure-tight bonnet

动力操纵器 powered operator

电动操纵器 electric motor operator

气动操纵器 pneumatic operator

液压操纵器 hydraulic operator

快速操纵器 quick-acting operator

滑动阀杆 sliding stem

正齿轮传动 spur gear operated

伞齿轮传动 bevel gear operated

扳手操作 wrench operated

链轮 chain wheel

手轮 hand wheel

手柄 hand lever (handle)

气缸（或液压缸）操纵的 cylinder operated

链条操纵的 chain operated

等径孔道 full bore; full port

异径孔道 reducing bore, reduced port,venturi port

短型 short pattern

紧凑型（小型） compact type

笼式环 lantern ring

压盖 gland

阀杆填料 stem packing

阀盖垫片 bonnet gasket

升杆式（明杆） rising stem (RS)

非升杆式（暗杆） non-rising stem (NRS)

指示器/限位器 indicator/stopper

注油器 grease injector

可更换的阀座环 renewable seat ring

1.6.2 常用阀

(1）闸阀 gate valve

平行双闸板 double disc parallel seat

开口楔形闸板 split wedge

挠性整体楔形闸扳 flexible solid wedge

整体楔形闸板 solid wedge

塞型闸阀 plug gate valve

直通型闸阀 through conduit gate valve

(2) 截止阀 globe valve

球心型阀盘 globe type disc

塞型阀盘 plug type disc

可转动的阀盘 swivel disc

(3) 节流闪阀 throttle valve

针阀 needle valve

(4) 角阀 angle valve

(5) Y型阀（Y 型阀体截止阀） Y-valve (Y-body globe valve)

(6) 球阀 ball valve

三通球阀 3-way ball valve

装有底轴的 trunnion mounted

耐火型 fire safe type

浮动球型 floating ball type

防脱出阀杆 blowout proof stem

(7) 蝶阀 butterfly valve

对夹式（薄片型） wafer type

凸耳式 lug type

偏心阀板蝶阀 offset disc burerfly valve; eccentric butterfly valve

斜阀盘蝶阀 canted disc butterfly valve

连杆式蝶阀 link butterfly valve

8) 柱塞阀 piston type valve

(9) 旋塞阀 plug valve

三通旋塞阀 three-way plug valve

四通旋塞阀 four-way plug valve

旋塞 cock

衬套旋塞 sleeve cock

(10) 隔膜阀 diaphragm valve

橡胶衬里隔膜阀 rubber lined diaphragm valve

直通式隔膜阀 straight way diaphragm valve

堰式隔膜阀 weir diaphragm valve

(11) 夹紧式胶管阀 pinch valve（用于泥浆、粉尘等）

(12) 止回阀 check valve

升降式止回阀 lift check valve

旋启式止回阀 swing check valve, flap check valve

落球式止回阀 ball check valve

弹簧球式止回阀 spring ball check valve

双板对夹式止回阀 dual plate wafer type check valve

无撞击声止回阀 non-slam cheek valve

底阀 foot valve

切断式止回阀 stop check valve; non-return valve

活塞式止回阀 piston check valve

斜翻盘止回阀 tilting disc check valve

蝶式止回阀 butterfly check valve

1.6.3 其它用途的阀

安全泄气阀 safety valve (SV)

安全泄液阀 relief valve (RV)

安全泄压阀 safety relief valve

杠杆重锤式 lever and weight type

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

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

（疏水阀用）

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 actionpacked 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 maehine 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

铆钉 rivet

键 key

2.2 螺纹

左螺纹left hand thread

右螺纹 right hand thread

管螺纹 pipe thread

锥管螺纹 taper pipe thread

直管螺纹straight pipe thread

梯形螺纹 trapezoid thread

螺距pitch of thread

粗牙螺纹coarse thread

细牙螺纹 fine thread

特细牙螺纹extra fine thread

通长螺纹full thread

惠氏螺纹whitworth thread

公制螺纹 metric ibread

美国标准锥管螺纹 American standard taper pipe thread (NPT)

螺孔 tap

3 材料、型钢及填料

3.1 金属材料

3.1.1 黑色金属 Ferrous Metal

碳素钢 carbon steel (CS)

低碳钢 low-carbon steel

中碳钢 medium-carbon steel

高碳钢 high-carbon steel

普通碳素钢 general carbon steel

优质碳素钢 high-quality carbon steel

普通低合金结构钢 general structure low-alloy steel

合金结构钢 structural alloy steel

合金钢 alloy steel

低合金钢 low alloy steel

中合金钢 medium alloy steel

高合金钢 high alloy steel

耐热钢 heat resisting steel

高强度钢 high strength steel

复合钢 clad steel

工具钢 tool steel

弹簧钢 spring steel

钼钢 molybdenum steel

镍钢 nickel steel

铬钢 chromium steel

铬钼钢 chrome-molybdenum steel

铬镍钢 chromium-nickel steel,chrome-nickel steel

不锈钢 stainless steel (S.S.)

奥氏体不锈钢 Austenitic stainless steel

马氏体不锈钢 Martensitic stainless steel

司特来合金（钨铬钴台金） Stellite

耐蚀耐热镍基合金 Hastelloy

铬镍铁合金 inconel

耐热铬镍铁合金 incoloy

20合金 20 alloy

平炉钢（马丁钢） Martin steel

镇静钢 killed steel

半镇静钢 semi-killed steel

沸腾钢 rimmed steel; rimming steel; open-steel

锻钢 forged steel

铸钢 cast steel

铸铁 cast iron (C.I.)

灰铸铁 grey cast iron

可锻铸铁 malleable iron (MI)

球墨铸铁 nodular cast iron; nodular graphite iron

生铁 pig iron

熟铁，锻铁 wrought iron

铸件 casting

高硅铸铁 high silicon cast iron

3.1.2 镀层及制造方法

渗铬钢，镀铬钢 chromized steel

镀铬的 chromium-plated, chrome-plated

镀层 plating

锻造，型钢 swage

锻造的，锻造 forging

轧制 rolling

热轧 hot rolling

冷轧 cold rolling

挤压 extruding

冷加工 cold working

热加工 hot working

拔制 drawing

3.1.3 有色金属Non-ferrous Metal

铝 aluminum

铜，紫铜 copper

黄铜 brass

青铜 bronze

铝青铜 aluminum bronze

磷青铜 phosphor bronze

铝镁合金 aluminum magnesium

锰青铜 manganese bronze

蒙乃尔（注：镍及铜合金） Monel

镍铜台金 nickel copper alloy

非铁合金 nonferrous alloy

钛 titanium

铅 lead

硬铅 hard lead

3.1.4 材料性能

极限强度 ultimate strength

抗拉强度 tensile strength

屈服极限 yield limit

屈服点 yield point

延伸率 percentage elongation

抗压强度 compressive strength

抗弯强度 bending strength

弹性极限 elastic limit

冲击值 impact value

疲劳极限 fatigue limit

蠕变极限 creep limit

持久极限 endurance limit

布氏硬度 Brinell hardness

洛氏硬度 Rockwell hardness

维氏硬度 Vickers diamond hardness, diamond penetrator hardness

蠕变断裂强度 creep rupture strength

断面收缩率 reduction of area

韧性 toughess

脆性 brittleness

延性 ductility

冷脆 cold shortness

冷流 cold flow

3.2 非金属材料 Non-metallic Material

塑料 plastic

丙烯腈—丁二烯—苯乙烯 acrylonitrile-butadiene-styrene (ABS)

聚乙烯 polyethylene (PE)

聚氯乙烯 polyvinyl chloride (PVC)

苯乙烯橡胶 styrene-rubber (SR)

聚丁烯 polybutylene (PB)

聚丙烯 polypropylene (PP)

聚苯乙烯 polystyrene (PS)

氯化聚醚 chlorinated polyether (CPE)

聚酰胺 polyamide (PA)

聚碳酸酯 polycarbonate (PC)

聚甲基丙烯酸甲酯 polymethyl methacrylate (PMMA)

醋酸丁酸纤维素cellulose acetate butyrate (CAB)

氯化聚氯乙烯 chlorinated polyvinyl chloride (CPVC)

聚偏二氟乙烯 polyvinylidene fluoride (PVDF)

缩醛塑料 acetal plastic

尼龙塑料 nylon plastic

聚烯烃 polyolefin (PO)

石墨酚醛塑料 graphite phenolic plastics

聚四氟乙烯 polytetrafluoroethylene (PTFE)

纤维增强热塑性塑料 fiber reinforced thermoplastics

热塑性塑料 thermoplastic

热固性塑料 thermosetting plastics

胶粘剂 adhesive

溶剂胶接剂 solvent cement

树脂 resin

环氧树脂 epoxy, epoxy resin

聚酯树脂 polyester resin

聚酯纤维 polyester fibers

氟塑料 fluoroplastics

聚氨基甲酸酯 polyurethane

丙烯酸树脂 acrylic resin

脲醛树脂 urea resin

呋哺树脂 furan resin

乙烯丙烯二烃单体 ethylene propylene diene monomer (EPDM)

合成橡胶 synthetic rubber

橡胶 rubber

丁腈橡胶 nitrile butadiene rubber

氯丁橡胶 neoprene

天然橡胶 natural rubber

乙丙橡胶 ethylene propylene rubber (EPR)

玻璃 glass

硼硅玻璃 borosilicate glass

耐火砖 fire brick

陶瓷 ceramic

搪瓷 porcelain enamel

木材 wood

3.3 型材

型钢 shaped steel, section steel, swage

角钢 angle steel

槽钢 channel

工字钢 I-beam

宽缘工字钢或H钢 wide flanged beam

T型钢 T-bar

方钢 square bar

扁钢 flat bar

角钢 hexagonal steel bar

圆钢 round steel; rod

钢带 strap steel

钢板 plate

网纹钢板 checkered plate

腹板（指型钢的立板） web

翼缘（指型钢的缘） wing

3.4 填料及填料函

填料 packing

石棉绳 asbestos rope, asbestos cord．

O形环 O-ring

自密封 self-sealing

四氟带 Teflon tap

带铬镍合金丝的石棉绳 asbestos rope with inconel wire, inconel wire asbestos

浸聚四氟乙烯的石棉填料 Teflon impregnated asbestos packing

金属填料 metallic stuffing

填料箱，填料函 packing box, stuffing box

填料函压盖 stuffing box gland