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

（疏水阀用） 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