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) （疏水阀用） 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 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