阀门(Valve)是控制流动的流体介质的流量、流向、压力、温度等的机械装置，阀门是管道系统中基本的部件。阀门管件在技术上与泵一样，常常作为一个单的类别进行讨论。阀门可用手动或者手轮，手柄或踏板操作，也可以通过控制来改变流体介质的压力，温度和流量变化。阀门可以对这些变化进行连续或重复的操作，比如在热水系统或蒸汽锅炉安装的安全阀。
推荐阅读：《如何鉴别阀门厂家，阀门质量的好坏?》
下面为大家科普下阀门专业英文术语一览表：
air control valve 空调阀
air cylinder valve 汽筒阀
air escape valve 泄汽阀
air inlet valve (=air intake valve) 进汽阀，进风阀
air operated throttle motor 风动节流器, 风动节流阀马达
air pilot valve 气体导向阀
air pressure governor valve 风压调压阀
air relay valve 气体中继阀
air release valve (air relief valve) 排汽阀，放空阀
air reversing valve 气体换向阀
air shut-off valve 气体阻断阀
air signal reducing valve 气体信号减压阀
air slide valve 气体分配阀
air starting (control) valve 气体起动(调整)阀
air straining check valve 气体滤尘止回阀
air valve 气体阀
air vent valve 汽动调压阀, 排汽阀
air-actuated direction valve 汽动调整换向阀
air-operated valve 汽动换向阀
air-vacuum proportional valve 真空比例阀
air-compressor valve 气体压缩机阀门
automatic cutout valve 自动切断阀门
angle globe valve 折角球形阀
angle stop valve 弯形止阀, 折角止阀
angle valve 角阀
angle water valve 折角水阀
annular ring valve 环形阀，环状阀
anti-g valve 【航空】防超重活门,抗重力阀
application pilot valve 作用导阀
application valve 作用阀, 调整阀
ashpan blower valve 灰盘吹风阀
Askania valve 射流管阀
atmos valve (=atmospheric valve) 大汽阀, 气体阀 放空阀
autocontrol valve 自动调整阀
automatic air valve 自动气体阀
automatic brake valve 自动制动阀
automatic control valve 自动调整阀
automatic delivery control valve 自动传输调整阀
automatic drain valve 自动排水阀
automatic expansion valve (定压式)自动膨胀阀
backlash valve 无游隙阀门
High temperature valve 高温阀门
hose valve 水带阀门
pipe manifold valves 管路汇集器阀门
pneumatic cylinder cock valve 风动气缸排水阀阀门
air-vacuum two way valve 真空二位阀
alarm valve 报警阀
aligned grid valve 栅中点校直的电子管阀
Allan valve 阿伦滑阀
altitude valve 【航空】高度阀(航空发动机气化器的可调控阀)
ammonia valve 【工】氨阀
angle back-pressure valve 背压角阀
automatic gas sampling valve 自动汽体进样阀
automatic reducing valve 自动减压阀(迅速制动机)
automatic regulating valve 自动调节阀
automatic spring loaded valve 自动弹簧阀
admission valve 进汽阀，进浆阀
air admission valve 进汽阀
air bleed(ing) valve 排汽阀，排汽嘴
automatic supplementary air valve 自动补充(空)汽阀
automatic unloading valve 自动卸载阀
automatic valve 自动阀
automatic water level valve 自动水准阀
automatically operated valve 自动操控阀
air-actuated direction valve 汽动调整换向阀
air-compressor valve 气体压缩机阀门
air-operated valve 汽动换向阀
air-vacuum proportional valve 真空比例阀
bottom drain valve 底部放泄阀
bottom valve 底阀
brake application magnet valve 电磁制动阀
brake application valve 制动作用阀
brake control valve 制动调整阀
brake cylinder release valve 制动缸缓解阀, 制动缸放风阀
brake metering valve 制动调节阀
brake pipe compensating valve 制动管补偿阀
brake release magnet valve 缓解电磁阀
brake valve 制动阀
brass valve 黄铜阀
brass-fitted cast-iron valve 黄铜配制铸铁阀
brass-trimmed valve 黄铜配制阀
breather valve 通汽阀, 呼吸阀
breathing type safety valve 呼吸式安全阀(罐车)
brine retaining valve 盐水箱维持阀
bucket valve 活塞阀
buffer change valve 缓变阀
building block valve 积木式阀, 集成阀
built-in check valve 内装式单向阀
bullet valve 球阀
buried valve with key 液下调整阀
butterfly control valve 蝶形调整阀
butterfly valve 蝶阀
by-pass valve 旁通阀, 辅助阀, 回流阀
caboose valve 守车阀
cage type valve 笼形阀
cam-operated valve 凸轮调整阀
capless tyre valve 无帽胎阀
car discharge valve 车辆放风阀
car signal valve 车辆信号阀, 车辆放风阀
cartridge inserted valve 筒式插装式阀, 插装阀
cement valve 【机】水泥止回阀
control valve 调整阀, 调节阀调整管, 调节管
controllable check valve 可控单向[止回检验]阀
controller pilot valve 调整器管制阀
conversion valve 转换阀转向阀
closed center valve 中间方位封闭的阀(方向阀) 闭中心阀
closed crossover valve 正遮盖的换向阀
closed exhaust valve 密闭排汽阀
center valve 中心阀
centre bypass valve 中间方位旁通的换向阀, M型机能换向阀
centre spool valve 中心柱形阀
centrifugal saw plate valve 离心式机的圆盘保险(溢流)阀
centrifugal type injection valve 离心式式喷射阀
change valve 活页阀转动阀, 转换阀多向阀
charge valve 充汽阀, 加载阀, 加液阀
charging check valve 充汽止回阀
charging valve 充汽阀, 加载阀, 加液阀
check valve 单向阀, 止回阀, 防逆阀，检验阀
check-valve pump 止回阀配流泵
chimney valve 烟道阀
choker checkvalve 阻汽单向阀
cindervalve 卸灰阀
Cineston controller brake valve 钦式调整制动连合阀 (用于地下铁道)
circulating-water valve 循环水阀
circulation valve 环流阀
clack valve 止回阀
clapper valve 瓣阀
clock valve 单向绞链阀
compensating air valve 补充气体阀, 补偿汽阀, 均衡汽阀
compensating valve 补偿阀
compensation valve 均衡阀, 补偿阀
compression release valve 减压阀
compression valve (减振器的)压缩行程阀
concentric valve 同心阀
condensate valve 凝结水阀
condenser level control valve 凝气器水位调节阀
condenser relief valve 凝汽器安全阀
condenser valve 凝气阀
conductor&lsquos valve 车长阀, 紧急制动阀
cone valve 锥形阀
cone-way valve 单向阀
conical seat valve 锥形座阀
conical valve 锥形阀
constant pressure expansion valve 恒压膨胀活门, 恒压膨胀阀
constant pressure valve 恒压阀
control air type reducing valve 调整气体型减压阀
control air valve 调整气体阀
closed-type fuel valve 密闭形燃油阀
closing valve 隔离阀, 节制阀, 隔断阀, 停气阀
clutch application valve 离合器作用阀
clutch temperature adjusting valve 离合器温度调节阀
coasting valve 滑行阀, 惯性运动阀
coaxial valve 同轴管[阀]
cold water stop valve 凉水止阀
column shut-off valve 柱阻断阀
column switching valve 柱转换阀
column valve 柱阀
combination sliding and rotary spool valve 又位移又转动的圆柱滑阀
combination valve 组合阀
combined inlet-outlet valve 进出组合阀
combined strainer and check valve 混合滤尘止回阀
common slide valve 普通滑阀
compensated flow control valve 带压力补偿的泵流量调整阀调速阀
compensated relief valve 均衡式溢流阀
pneumatic positioner valve 汽动阀门定位器
pneumatic sander valve 风动撒砂器阀门
quick opening valve 快开阀门
quick-opening gate valve 速启阀门
standby valve 应急阀门备用阀门
two selenoid 双螺管阀门
valve chest 阀门室
valve clearance 阀门缝隙阀余隙
valveman 阀门操控者
wash-out valve 清洗阀门
adjusting valve 调控阀，调节阀
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