一．常用阀
(1)闸阀 gate valve
平行双闸板 double discparallel seat
开口楔形闸板 split wedge
挠性整体楔形闸扳 flexiblesolid wedge
整体楔形闸板 solid wedge
塞型闸阀 plug gate valve
直通型闸阀 through conduitgate valve
(2) 截止阀 globevalve
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 throttlevalve
针阀 needle valve
(4) 角阀 anglevalve
(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 trunnionmounted
耐火型 fire safe type
浮动球型 floating balltype
防脱出阀杆 blowout proofstem
(7) 蝶阀 butterflyvalve
对夹式（薄片型） wafer type
凸耳式 lug type
偏心阀板蝶阀 offset discburerfly valve; eccentric butterfly valve
斜阀盘蝶阀 canted discbutterfly valve
连杆式蝶阀 link butterflyvalve
(8) 柱塞阀 pistontype valve
(9) 旋塞阀 plugvalve
三通旋塞阀 three-way plugvalve
四通旋塞阀 four-way plugvalve
旋塞 cock
衬套旋塞 sleeve cock
(10) 隔膜阀 diaphragmvalve
橡胶衬里隔膜阀 rubber lineddiaphragm valve
直通式隔膜阀 straight waydiaphragm valve
堰式隔膜阀 weir diaphragmvalve
(11) 夹紧式胶管阀 pinchvalve（用于泥浆、粉尘等）
(12) 止回阀 check valve
升降式止回阀 lift checkvalve
旋启式止回阀 swing checkvalve, flap check valve
落球式止回阀 ball checkvalve
弹簧球式止回阀 spring ballcheck valve
双板对夹式止回阀 dual platewafer type check valve
无撞击声止回阀 non-slamcheek valve
底阀 foot valve
切断式止回阀 stop checkvalve; non-return valve
活塞式止回阀 piston checkvalve
斜翻盘止回阀 tilting disccheck valve
蝶式止回阀 butterfly checkvalve
二. 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 reliefvalve
杠杆重锤式 lever andweight type
引导阀操纵的安全泄气阀 pilotoperated safety valve
复式安全泄气阀 twin typesafety valve
罐底排污阀 flush-bottomtank valve
电磁阀 solenoid valve,solenoid operated valve
电动阀 electricallyoperated valve, electric-motor operated valve
气动阀 pneumaticoperated valve
低温用阀 cryogenicservice valve
蒸汽疏水阀 steam trap
机械式疏水阎 mechanicaltrap
浮桶式疏水阀 open buckettrap, open top bucket trap
浮球式疏水阀 float trap
倒吊桶式疏水阀 invertedbucket trap
自由浮球式疏水阀 loose floattrap
恒温式疏水阀 thermostatictrap
金属膨胀式蒸汽疏水阀 metalexpansion steam trap
液体膨胀式蒸汽疏水阀 liquid expansionsteam 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 balancedpressure thermostatic trap
热动力式疏水阀 thermodynamictrap
脉冲式蒸汽疏水阀 impulsesteam trap
放气阀（自动放气阀） air ventvalve (automatic air vent valve) （疏水阀用）
平板式滑动闸阀 slab typesliding gate valve
盖阀 flat valve
换向阀 diverting valve,reversing valve
热膨胀阀 thermo expansionvalve
自动关闭阀 self-closinggate valve
自动排液阀 self-drainingvalve
管道盲板阀 line-blindvalve
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 reducingvalve, reducing valve
控制阀 control valve
膜式控制阀 diaphragmoperated control valve
执行机构 actuator
背压调节阀 back pressureregulating valve
差压调节阀 differentialpressure regulating valve
压力比例调节阀 pressureratio regulating valve
三. 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 openingvalve
快闭阀 quick closingvalve
隔断阀 isolating valve
三通阀 three way valve
夹套阔 jacketed valve
非旋转式阀 non-rotaryvalve
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-operatedvalve; manually operated valve
锻造阀 forged valve
铸造阀 cast valve
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