弹簧活塞式减压阀-Arimori Valve

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各种阀门的英语翻译

各种阀门的英语翻译CQ螺纹球阀CQ Thread Ball ValvesL形三通式L-pattern three wayT形三通式T-pattern three way安全阀Safety valve暗杆闸阀Inside screw nonrising stem type gate valve 百叶窗; 闸板shutter百叶窗式挡板louver damper摆阀式活塞泵swing gate piston pump保温式Steam jacket type报警阀alarm valve报警阀; 信号阀; 脉冲阀sentinel valve背压调节阀back pressure regulating valve背压率Rate of back pressure本体阀杆密封body stem seal波纹管阀Bellows valves波纹管密封阀bellow sealed valve波纹管密封式Bellows seal type波纹管平衡式安全阀Bellows seal balance safety valve 波纹管式减压阀Bellows reducing valve波纹管式减压阀Bellows weal reducing valve薄膜thin film薄膜; 隔膜diaphragm薄膜式减压阀Diaphragm reducing valve薄型闸阀Thin Gate Valves不封闭式Unseal type槽车球阀Tank Lorry Ball Valves颤振Flutter常闭式Normally closed type常开式Normally open type超低温阀门Cryogenic valve超高压阀门Super high pressure valve超过压力Overpressure of a safety valve衬胶隔膜阀rubber lined diaphragm衬胶截止阀rubber lined globe valve垂直板式蝶阀Vertical disc type butterfly valve磁耦合截止阀Magnetic Co-operate Globe Valves带补充载荷的安全阀Supplementary loaded safety valve带辅助装置的安全阀Assisted safety valve单阀碟双面平行密封闸阀parallel single disk gate valve 单口排气阀Single Opening Exhaust Valves单向阀Non-return Valve单闸板Single gate disc单闸板平板闸阀Single Disc Flat Gate Valves弹簧薄膜式减压阀Spring diaphragm reducing valve弹簧式安全阀Direct spring loaded safety valve弹簧座Spring plate弹性闸板Flexible gate disc当量计算排量Equivalent calculated capacity挡板damper导阀Pilot valve导向套Valve guide disc guide低温阀门Sub-zero valve低压阀门Low pressure valve底阀bottom valve底阀Foot valve电磁动装置Eletro magnetic actuator电磁阀magnetic valve电磁阀solenoid valve电磁－液动装置Eletro magnetichydraulic actuator电动阀mortor operated valve电动阀motorized valve电动截止阀Electric Actuated Stop Valves电动平行式双闸板闸板Electric Double Disk Parallel Gate Valves电动楔式闸阀Electric Actuated Wedge Gate Valves电动装置Electric actuator电－液动装置Eletro hydraulic actuator电液伺服阀electro-hydraulic servovalve调节弹簧Regulation spring调节阀adjusting valve调节阀control valve调节阀regulating valve调节螺套Adjusting bolt Adjusting screw调节圈Adjusting ring蝶板Disc蝶阀；瓣阀butterfly valve蝶阀；瓣阀；拍门；铰链阀flap valve蝶式缓冲止回阀Butterfly Type Non-slam Check蝶式止回阀Butterfly swing check valve定比减压阀Proprutioning pressure reducing valve定差减压阀Fixed differential reducing valve定值减压阀Fixed pressure reducing valve动态特性Dynamic characteristics对焊连接阀Buttwelding valves对夹蝶板阀Wafer plate valves对夹式衬胶蝶阀Wafer Type Butterfly Valves with Rubber Itning对夹式阀门Clamp valves对夹式止回阀Wafer Check Valves额定排量Certified capacity额定排量系数Derated coefficient of discharge二通阀Two-way valves阀valve阀板valve deck plate阀板valve plate阀板式活塞泵valve deck plate type piston pump 阀板式活塞泵valve plate type piston pump阀瓣Disc阀操纵杆valve operating rod阀痤槽valve seat recess阀挡valve grid阀挡valve positioner阀挡valve stop阀导杆valve tail rod阀导向器valve guide阀盖bonnet阀盖衬套bonnet bush阀盖垫片bonnet gasket阀杆stem阀杆valve rod阀杆valve spindle阀杆端部尺寸Dimmension of valve stem end阀杆环stem ring阀杆螺母Yoke bushing Yoke nut阀杆填料stem packing阀杆头部尺寸Dimension of valve stem head阀簧valve spring阀簧压板valve spring plate阀控水锤泵valve-controlled hydraulic ram阀框架valve yoke阀门Valve阀门传动装置valve bandle set阀门和管件Valves and Fittings阀门盘根valve packing阀门手柄valve handle阀盘disc阀盘valve disc阀片Disc阀球valve ball阀驱动臂valve driving arm阀驱动臂valve motion arm阀式活塞valve type piston阀式活塞valve type bucket阀室式活塞泵valve box type piston pump阀室式活塞泵（美）valve pot type piston pump阀抬起装置valve lifting device阀体body阀体valve body阀箱valve box阀箱valve cage阀箱valve chest阀箱；阀限位器valve guard阀箱盖cover for valve box阀箱盖valve box cover阀箱式活塞泵（美）turret type piston pump阀形活塞泵valve type piston pump阀座Seat ring阀座valve carrier阀座valve seat(body seat)阀座；阀盘valve seat阀座环seat ring阀座密封嵌条sealing strip for valve seat法兰flange法兰堵头blind flange法兰端flange end法兰接头flange joint法兰连接紧固件（双头螺栓和螺帽）flange bolting法兰密封面，法兰面flange facing法兰面加工flange facing finish法兰球阀Flange Ball Valves翻板阀Flap反冲盘Disc holder反向作用式减压阀Reverse acting reducing valve反向作用式减压阀Reverse acting reducing valve放空阀emptying valve放气阀air vent valve;vent valve放气阀；排气阀air evacuation valve放泄阀escape valve分置阀室式活塞泵separate valve box type piston pump 分置阀室式活塞泵（美）side pot type piston pump封闭式Seal type浮动式球阀Float ball valve浮球Ball float浮球阀Float Valve浮球式疏水阀Ball float steam trap浮球式疏水阀Free Float Type Steam Trap浮桶Bucket float浮桶式疏水阀Open bucket steam trap辅助（副）阀Auxiliary valves负荷率Rate of load condensate附加背压力Superimposed back pressure复位弹簧Returnning spring杠杆式Lever type杠杆式安全阀Lever and weight loaded safety valve杠杆式减压阀Lever reducing valve高温阀门High temperature valve高压阀门High pressure valve格兰密封gland隔离阀isolating valve隔膜Diaphragm隔膜阀diaphragm valve隔膜式控制阀diaphragm operated comtrol valve工作背压Operating back pressure工作温度Operating temperature工作温度Working temperature工作压差Operting differential pressure工作压力Operating pressure工作压力Working pressure公称通径Nominal diameter公称压力Nominal pressure固定式球阀Fixed ball valve关闭压力Lockup pressure关阀过冷度Subcooled temperature of close valve关阀温度Closing valve temperature管道安全阀Piping Safety Valves过冷度Subcoold temperature过流阀(或节流阀) Restrictor Valves喉径Throat diameter滑阀slide valve滑阀式回转活塞泵rotary piston pump with slide gate滑阀型转子泵eccentric rotary pump with sliding sleeve 环形阀annular valve环形阀double beat valve换向阀selector valve换向阀shuttle valve回转滑阀活塞泵piston pump with rotary gate回座压力Re-seating pressure of a safety valve活塞昵减压阀Piston reducing valve活塞式阀piston valve活塞式阀；柱塞式阀plunger valve活塞式减压阀Piston reducing valve减速阀Deceleration valves减压比Pressure reducing ratio减压阀pressure reducing valve浆液阀Parallel Slide Valves角阀Angle Valve角阀isolation valve angle configuration角式Angie type角式节流阀Angle Throttle Valves角式截止阀Angle Stop valves铰链阀；片状阀flapper valve节流阀throttle valve节流阀choke valve节流阀；节流throttle结构长度Face-to-face dimension ;End-to-end dimension; Face-to-centre dimension结构形式Type of construction截止阀Globe valve截止阀Shut-off Valve截止阀；关断阀shut-off valve截止式隔膜阀Globe diaphragm valve紧急切断阀Emergeny Cut-off Valves进气阀air intake valve进水阀；进口阀门inlet valve静态特性Static characteristics静态特性偏差Static characteristics derivation开阀过冷度Subcooled temperature of open valve开阀温度Opening valve temperature开启高度Lift壳体试验Shell test壳体试验压力Seal test pressure空气阀门Air valves快速排污阀Quick Draining Valves类型Type冷凝结水排量Cold condensate capacity冷态试验差压力Cold differential test pressure理论排量Theoretical flowing capacity连接槽尺寸Dimension of connecting channel连接尺寸Conncetion cimension连接形式Type of connection帘面积Curtain area流道面积Flow area流道直径Flow diameter流量孔板flow orifice plate流量控制阀flow control valve流量特性Flow characteristics流量特性偏差Flow characteristics derivation漏汽量Steam loss脉冲式疏水阀Impulse steam trap密封面Sealing face密封试验Seal test密封试验压力Seal test pressure明杆平行式双闸板闸板Double Disk Parallel Gate Valves明杆闸阀Outside screw stem rising through handwheel type gate val ve膜片Diaphragm内压自封Pressure seat逆止阀；止回阀check valve逆止阀；止回阀non-return valve逆止阀;止回阀;单向阀check valve排放背压力Brilt-up back pressure排放压力Relieving pressure排灰阀Ash valves排量系数Coefficient of discharge排气阀air release valve排气阀Exhaust valves排气阀Vent Valve排水阀Drainage valves排水温度Temperature at discharging condensate排污阀blowdown valve排污箱(阀) Waste Valves排渣闸阀Scum Gate Valves盘阀moushroom valve盘状阀plate valve旁路阀by pass valve配汽活塞阀缸套piston valve line喷射阀injection valve喷射阀sprayer valve喷水阀spray water valve频跳Chatter平衡阀Balance valves平衡式Balance type平行式闸阀Parallel gate valve Parallel slide valve启闭件Disc启闭压差Blowdown of a safety valve起始升程Commencement of lift气动装置Pneumatic actuator气阀摇臂valve arm气－液动装置Pneumatic-hydraulic actuator潜水电泵(排污泵) Submerged Motor Pumps切断阀;截止阀block valve;shut-off valve;stop valve 切断式止回阀stop check valve切换阀;多向阀changeover valve球、球芯Ball球阀Ball valve球阀globe valve球体Ball全启式安全阀Fall lift safety valve热凝结水排量Hot condensate capacity入口隔离门suction isolating valve塞子Plug三通阀three-way isolating valve三通阀three-way valve三通式Three way type上密封Back seat上密封试验Back seal test渗漏量Leckage升降立式止回阀Vertical lift check valve升降式止回阀Lift check valve适用介质Suitable medium适用温度Suitable temperature手摇油泵(阀) Manual Oil Pumps Valves疏水阀drain valve双金属片式疏水阀Bimetal elements steam trap双口排气球Double Opening Exhaust Valves双联弹簧式安全阀Duplex safety valve双闸板Double gate disc双闸板平板闸阀Double Disc Flat Gate Valves水封闸阀Water Seal Gate Valves水力喷射器(真空泵) Vacuum Pumps伺服阀servovalve填料Packing填料垫Packing seat填料函Stuffing填料式旋塞阀Gland packing plug valve填料箱Stuffing box填料压盖Gland通气阀breather valve通气阀；呼吸器breather通用阀门General valve吐出阀；排出阀discharge valve吐出阀限位器delivery valve guard微启式安全阀Low lift safety valve微阻缓闭止回阀Tiny Drag Slow Shut Check Valves吻合度Percent of contact area蜗轮传动蝶阀Butterfly Valves with Gear Actuator蜗轮传动装置Wormgear actuator屋脊式隔膜阀Weir diaphragm valve无阀泵valveless pump无阀隔膜泵valveless diaphragm pump无阀振动泵valveless vibration pump无负荷漏汽量No-load steam loss无负荷漏汽率Rate of no-load steam loss吸（抽）气阀Aspirating valves吸入阀suction valve吸入阀限位器suction valve guard先导式安全阀Pilot operated safety valve先导式液压阀Pilot-operated reducing valve相对静偏差Relative static characteristics derivation相对流量特性偏差Relative flow characteristics derivation相对压力特性偏差Relative pressure characteristics derivation 销轴Hinge pin楔式闸阀Wedge gate valve斜板式蝶阀Indined disc butterfly valve泄料（放空，排污）阀Blowdown valves泄压阀Decompression valves泄压阀pressure release valve泄压阀；安全阀relief valve卸荷式减压阀Balanced reducing valve型号Type Model旋启多瓣式止回阀Multi-disc swing foot valve旋启式止回阀Swing check valve旋启双瓣式底阀Double disc swing foot valve旋塞阀Cock旋塞阀plug valve压力（増压）阀Pressure valve压力调节阀；压力控制阀pressure controlled valve压力特性Pressure characteristics压力特性偏差Pressure characteristics derivation压力增长系数Pressure increasing ratio摇杆Arm液动装置Hydraulic actuator液化气管件LPG Pipe Fitting液下泵Under Water Pumps液压执行器hydraulic actuator仪表针形截止阀Meter Needle Type Globe Valves 溢流阀overflow valve翼形阀；锥形阀wing valve油封式旋塞阀Lubricated plug valve有阀翼板double acting wing有阀翼板wing with valve有负荷漏汽量Load steam loss有负荷漏汽率Rate of load steam loss圆板阀；圆盘阀disc valve圆盘式疏水阀Shemostatic team trap圆柱齿轮传动装置Cylindrical gear actuator圆锥齿轮传动装置Conical gear actuator闸板Wedge disc闸板式隔膜阀Wedge diaphragm valve闸阀gate valve闸阀sluice valve针形阀Pintle valve ; Needle valve真空破坏阀vacuum breaker valve蒸汽疏水阀Automatic steam trap Trap整定压力Set pressure正向作用式减压阀Direct acting reducing valve 支架Yoke直接载荷式安全阀Direct loaded safety valve直接作用式减压阀Direct-acting reducing valve 直流式Y-globe type直流式截止阀Oblique Stop Valve直通单向阀inline check valve直通单向阀straightway check valve直通阀Throughway Valve止回阀Check Valve止回阀；回流阀reflux valve制动阀Brake valves中压阀门Middle pressure valve钟形浮子式疏水阀Inverted bucket steam trap钟形罩Inverted bucket轴套Axis Guide主阀Main valve主要外形尺寸Prime out-form dimensions主要性能参数Specifeca tion speeification注液漏斗阀Priming Tundish Valve柱塞阀Plunger valve柱塞截止阀Plunger Globe Valve柱塞型摆动阀rocking plunger valve撞击手轮Impact handwheel锥形阀；翼形阀conical valve自动循环阀Automatic Recirculation Valve组合阀Combination valves最大过冷度Maximum subcoold temperature最大流量Maximum flow rate最大压差Maximum differential pressure最低工作压力Minimum operating pressure最高背压率Maximum rate of back pressure最高工作背压Maximum operating back pressure最高工作温度Maximum operating temperature最高工作压力Maximum operating pressure最高排水温度Maximum temperature at discharging 最高允许温度Maximum allwable temperature最高允许压力Maximum allowable pressure最小过冷度Minimum subcooled temperature最小压差Minimum differntial pressureair admission valve进气阀air bleed(ing) valve排气阀; 排气嘴air control valve空调阀air cylinder valve气筒阀air escape valve泄气阀air inlet valve (=air intake valve)进气阀; 进风阀air pilot valve空气导向阀air pressure governor valve风压调压阀air relay valve空气中继阀air release valve (=air relief valve)排气阀; 放空阀air reversing valve空气换向阀air shut-off valve空气关闭阀air signal reducing valve空气信号减压阀air slide valve空气分配阀air starting (control) valve空气起动(控制)阀air straining check valve空气滤尘止回阀air vent valve气动调压阀, 排气阀air-actuated direction valve气动控制换向阀air-compressor valve空气压缩机阀门air-operated valve气动阀air-operated reversing valve气动换向阀air-vacuum change-over valve空真转换阀air-vacuum proportional valve空真比例阀air-vacuum two way valve空真二位阀alarm valve报警阀Allan valve阿伦滑阀altitude valve【航空】高度阀(航空发动机汽化器的可调整阀) ammonia valve【工】氨阀angle valve角阀angle back-pressure valve背压角阀angle globe valve折角球形阀angle stop valve弯形止阀, 折角止阀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antisurge valve【航空】防喘振活门application valve作用阀, 控制阀application pilot valve作用导阀ashpan blower valve灰盘吹风阀Askania valve射流管阀atmos valve (=atmospheric valve) 大气阀, 空气阀; 放空阀auto tyre valve汽车胎的汽门autocontrol valve自动控制阀automatic valve自动阀automatic air valve自动空气阀automatic brake valve自动制动阀automatic control valve自动控制阀automatic cutout valve自动切断阀门automatic delivery control valve 自动输送控制阀automatic drain valve自动排水阀automatic expansion valve(定压式)自动膨胀阀automatic gas sampling valve自动气体进样阀automatic reducing valve自动减压阀(高速制动机) automatic regulating valve自动调节阀automatic spring loaded valve自动弹簧阀automatic supplementary air valve 自动补充(空)气阀automatic unloading valve自动卸载阀automatic water level valve自动水准阀automatically operated valve自动操作阀automatic-control servo valve自动控制伺服阀auxiliary valve辅助阀(暖汽调整阀用) auxiliary changeover valve辅助切换阀back valve回动阀, 止回阀, 逆止阀, 单向阀backflush valve反冲阀backlash valve无游隙阀门back-pressure valve止回阀back-up valve列车后端制动阀balance valve平衡阀, 均压阀balance pressure reducing valve平衡减压阀balance slide valve平衡滑阀balanced distribution valve平衡配气阀balanced safety valve平衡式安全阀(可变动背压)ball valve球阀, 弹子阀ball check valve止回球阀, 球形节流阀ball float valve浮子阀, 浮球阀ball non-return valve球形止回阀ball relief valve球形安全阀ball safety valve球形安全阀ball stop valveball-and-lever valve杠杆球阀bell valve钟形阀, 装料钟bellows valve波纹管阀bellows-operated pilot valve膜盒控制导阀, 膜盒导引阀bevel seat valve斜座阀, 角阀biased valve承载阀bigrid valve双栅管blast furnace gas valve高炉煤气阀blast regulation valve通风调节阀bleed valve排出阀; 放泄阀bleeder valve放液阀, 放水阀block valve隔断阀blocking valve闭塞阀blow valve通风阀, 安全阀, 放空阀blow-down valve排气阀blower valve鼓风机阀blower drain valve鼓风机放泄阀blower regulation valve通风调节阀blow-off valve排出[泄]阀, 放泄[空]阀, 喷放阀blowout valve排气管, 排出阀boiler check valve锅炉止回阀boiler feed valvebonnet valve帽状阀bottom valve底阀bottom drain valve底部放泄阀brachial valve腕瓣brake valve制动阀brake application valve制动作用阀brake application magnet valve 电磁制动阀brake control valve制动控制阀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-field valve正栅管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通气阀, 呼吸阀breathing valve呼吸瓣breathing type safety valve呼吸式安全阀(罐车)bright emitter valve白炽灯丝电子管, 钨丝电子管brine retaining valve盐水箱保持阀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液下控制阀butterfly valve蝶形阀butterfly control valve蝶形控制阀butterfly throttle valve蝶形节流阀by-pass valve旁通阀, 辅助阀, 回流阀by-path valve旁通阀, 辅助阀, 回流阀cab turret valve蒸汽塔总汽门caboose valve守车阀cage type valve笼形阀cam-operated valve凸轮控制阀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cardiac valve【解】贲门瓣cartridge inserted valve筒式插装式阀, 插装阀cement valve【机】水泥止回阀center valve中心阀centre bypass valve中间位置旁通的换向阀, M型机能换向阀centre spool valve中心柱形阀centrifugal saw plate valve离心机的圆盘保险(溢流)阀centrifugal type injection valve离心式喷射阀change valve换向阀, 三通阀changeover valve活页阀旋转阀, 转换阀多向阀charge valve充气阀, 加载阀, 加液阀charging valve充气阀, 加载阀, 加液阀charging check valve充气止回阀check valve单向阀, 止回阀, 防逆阀检验阀chimney valve烟道阀choke valve阻风门choker checkvalve阻气单向阀cindervalve卸灰阀Cineston controller brake valve钦式控制制动联合阀(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closed center valve中间位置封闭的阀(方向阀); 闭中心阀closed crossover valve正遮盖的换向阀closed exhaust valve密闭排气阀closed-type fuel valve密闭形燃油阀closing valve隔离阀, 节制阀, 隔断阀, 停汽阀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 valve柱阀column shut-off valve柱关闭阀column switching valve柱转换阀combination valve组合阀combination sliding and rotary spool valve 又移动又旋转的圆柱滑阀combined inlet-outlet valve进出组合阀combined reheat (stop and intercept) valve 再热联合汽门, 中压联合汽门combined strainer and check valve混合滤尘止回阀common slide valve普通滑阀compensated flow control valve带压力补偿的流量控制阀调速阀compensated relief valve平衡式溢流阀compensating valve补偿阀compensating air valve补充空气阀, 补偿气阀, 平衡气阀compensation valve平衡阀, 补偿阀compression valve(减振器的)压缩行程阀compression release valve减压阀compressor valve压气机气门concentric valve同心阀condensate valve凝结水阀condenser valve凝汽阀condenser level control valve凝汽器水位调节阀condenser relief valve凝气器安全阀conductor's valve车长阀, 紧急制动阀cone valve锥形阀cone-way valve单向阀conical valve锥形阀conical seat valve锥形座阀constant pressure valve恒压阀constant pressure expansion valve 恒压膨胀活门, 恒压膨胀阀control valve控制阀, 调节阀控制管, 调节管control air valve控制空气阀control air type reducing valve控制空气型减压阀controllable check valve可控单向[止回检验]阀controller pilot valve控制器管制阀conversion valve转换阀转向阀convex head valve凸形气门头cooled type valve冷却式真空管cooling fan electro-pneumatic valve冷却风扇电空阀coplanar-grid valve共面栅极管(具有两个控制栅的四极管) copying valve(仿形装置的) 仿形阀corner valve角阀coronary valve【解】冠状瓣counterbalance valve背压阀,反平衡阀coupling valve联结阀coupled valve联结阀crab-pot valve捕蟹器式阀crack valve瓣阀cranked tire valve轮胎气嘴cross valve转换阀, 三通阀cross feed valve双向进给阀crossover valve交换阀, 转换阀crossover gasoline valve重叠的汽油阀crystal valve晶体管cup valve杯形阀, 钟形阀cured-in valve硫化在内胎里的气嘴[孔]current regulating valve电流调节阀cushion valve缓冲阀, 弹性阀, 减震阀cushioned channel valve气垫槽阀cut slide valve膨胀滑阀cut-in valve接入阀cut-off valve截止阀, 逆止阀cut-off slide valve断流滑阀cut-out magnetic valve截断电磁阀cycle tube valve循环管阀cycling valve循环阀(安全制动) cycling solenoid valve周期(工作的)电磁阀cylinder valve气缸阀cylinder bypass valve汽缸旁通阀cylinder cock valve汽缸排水操纵阀cylinder drain valve汽缸自动排水阀cylinder relief valve汽缸安全阀cylinder test valve汽缸(积水)试验阀cylindrical valve柱形阀cylindrically balanced valve 柱形平衡阀damping valve阻尼阀;阻尼管dark-tint valve深色彩色电视管dead-weight safety valve静载荷保安阀deck valvedecompression check valve卸压单向阀deflation valve放气阀deflection valve射束偏转管delivery valve导出阀; 排气阀; 出油阀delivery check valve送油节止阀density control valve调浓阀; 浓度控制阀deriming valve解冻阀detecting valve检波管detector valve检波管diaphragm valve膜板阀, 隔膜阀; 针阀, 给水调整阀diaphragm control valve膜片控制阀diaphragm cut-off valve膜板截断阀differential valve差动阀differential pressure fuel valve压差油阀differential pressure regulating valve 差压调节阀differential relay valve差动中继阀differential sliding valve差动滑阀diffuser valve扩散阀diffusing type steam valve扩压式汽阀direct admission valve直接进风阀direct pressure control valve直动式压力控制阀direct-acting valvedirect-acting control valve 直接作用控制阀direct-acting solenoid valve 直接动作螺管阀direct-mounted valve管式连接阀direction(al) control valve 方向控制阀director valve主导活门disc valve片状阀discharge valve排出阀;卸料阀disconnecting valve断流阀, 断开阀, 截止阀disc-type reducing valve盘式减压阀diskvalve盘形阀distributing valve分配阀distributing slide valve分配滑阀distribution valve分配阀diverter valve偏向型元件分流阀dividing valve分流阀dividing control valve分配控制阀dorsal valve【解】背瓣double valves双阀double branch stop valve 双向止流阀double check valve双止回阀, 双单向阀double damper valve双调节阀, 双减振阀双闸阀double ported valve双口阀double pressure feed valve双压进给阀double return valve双止回阀, 双回流阀double safety valve双安全阀double seat balanced valve双座平衡阀double seated main stop valve双座式主汽门double sleeve valve双套阀double slide valve双动滑阀double-anode valve双屏极电子管double-beat (drop) valve双座阀, 双支承提升阀, 平衡阀double-beat poppet valve双层提升阀double-face valve双面阀double-faced slide gate valve两面滑门阀double-grid valve双栅管double-heading valve重联阀double-piston valve双活塞阀double-ported slide valve双动滑阀double-purpose valve【电子】双作用管double-ring valve双环阀double-triode valve双三极管drain valve排水阀;泄水阀排水阀;泄水阀drip valve排水阀;泄水阀driver's automatic brake valve 司机自动制动阀driver's vacuum brake valve 司机真空制动阀drop valve落阀dropping valve降压阀, 减压阀drum valve鼓形阀dual ball check valve双球止逆阀dual-gravity valve【化工】双比重阀dump valve倾泄阀(安全阀)Duner flush valve达式水阀duplex check valve双止回阀duplex release valve复式缓解阀dynamic valve动力阀dynamic brake blending valve 动力制动混合阀eccentric valve偏心阀effluent sample valve试样流出阀Eidophor light valve艾多福光阀(电视投影机) electric valve整流管electric control valve电动调节阀electric pneumatic valve电空阀electrically operated valve电动阀electrochemical valve电解阀electrohydraulic valve电-液阀electromagnetic valve电磁阀electromagnetic gas valve电磁气阀electromagnetic light valve电磁(控制)光阀electrometer valve静电计电子管electron valve电子管electronic valve电子管electrooptic light valve电光光阀electropneumatic valve电动气动阀, 电磁气阀electropneumatic carretarder valve车辆减速器的电空阀, 车辆缓行器的电空阀electropneumatic distributing valve电动气动分配阀electropneumatic signal valve信号机电动气动阀electro-pneumatic switch valve转辙机电动气动阀electropneumatic train stop valve列车自动停车电动气动阀emergency valve安全阀紧急阀emergency application valve紧急作用阀emergency brake valve紧急制动阀, 车长阀emergency breakaway valve紧急断气阀emergency closing valve应急阀emergency pressure increasing valve紧急增压阀emergency pressure reducing valve紧急减压阀emergency relay valve紧急继动阀emergency stop valve危急遮断阀, 紧急止流阀, 主汽门emergency trip valve危急遮断阀, 紧急止流阀, 主汽门emergency trip magnet valve紧急脱钩电磁阀emergency vent valve紧急放风阀empty and load valve空重车转换阀empty wagon safety valve空车安全阀emptying valve泄空阀, 排油阀end valve尾阀end train-pipe valve暖气管端阀engine valve发动机阀, 发动机[汽缸]气门engine brake valve机车制动阀engine compartment drain valve(发动)机舱放泄阀engine stop valve停车阀engine thermostat housing drain valve 发动机恒温器壳放泄阀engineer's brake valve司机制动阀equalizing valve平衡阀, 均匀阀, 减压阀equalizing discharge valve均衡放风阀equalizing graduating valve均衡递动阀equalizing piston valve均衡鞲鞴阀equalizing slide valve均衡滑阀equilibrated valve预启阀, 压力平衡阀equilibrium valve平衡阀equilibrium slide valve平衡滑阀, 放泄滑阀equivalent valve等效电子管escape valve排气阀, 安全阀eustachian valve【解】腔静脉瓣, 欧氏瓣excess flow valve流量限制阀excess pressure valve过压阀exhalation valve吸气阀exhaust valve排气阀, 排气门exhaust by-pass valve排气旁通阀exhaust manifold heat valve排气歧管加热阀exhaust steam valve排汽阀exhauster regulating valve真空泵调节阀expansion valve膨胀阀; 安全阀expansion valve with pilot valve 导向式自动膨胀阀expansion relief valve膨胀安全阀explosion relief valve防爆安全阀, 安全阀explosive valve爆发活门extra-air valve辅助气阀(附加空气阀) extraction valve抽汽阀extraction check valve抽汽逆止阀extraction control valve抽气调节阀extraction regulating valve抽气调节阀extraction stop valve抽汽截止阀face valve座阀fast valve高速阀, 快关阀feather valve放气阀, 卸载阀, 滑阀feed valve进给阀, 喂阀; 给气阀; 进水阀feed check valve给水止回阀feed stop valve进给安全阀feed-control valve进给控制阀feed-regulating valve进给调节阀, 给水调整阀fermentation valve发酵阀field weakening valve削弱磁场阀field-strengthening valve磁场加强阀filling valve进油阀filling limit valve充量限制阀finger valve(压缩机)单槽阀fire valve灭火阀, 消防阀first amplifier valve第一级放大管fixed differential reducing valve定差减压阀flange type everlasting blow-off valve 凸缘式连续放泄阀flanged brass valve凸缘铜阀flap valve片状阀;瓣阀flapper valve(喷嘴)挡板阀, 舌形阀flat valve平面座阀, 配流阀flat seated valve平座阀flat slide valve平滑阀flat-operated relief valve浮筒操纵安全阀flexible tube valve挠性管阀float valve浮阀, 回压阀float control(led) valve (=float controller valve) 浮子(控制)阀, 液面调节阀float needle valve浮针阀float-operated relief valve浮球控制安全阀float-switch controlled rotary-spool valve浮动开关控制的旋转滑阀flood(ing) valve溢流阀flop valve瓣阀flow valve流量开关flow diversion valve液流转向阀flow metering valve流量控制阀flow regulating valve节流阀, 减压阀flow-control valve流量控制阀fluid pressure reducing valve液压降低阀fluid-control(led) valve流体控制阀, 液力控制阀flushing valve冲洗阀flush-out valveflutter valve翼形阀follower valve随动阀follow-up valve随动阀foot valve脚踩阀;底阀forcing valve增压阀four-electrode valve四极管four way plug valve四通塞阀four-way valve四通阀frame output valve帧信号输出管free discharge valve自由泄流阀free flow valve易流阀free spool valve带浮动阀芯的滑阀frost valve防冻阀fuel valve燃油阀fuel admission valve 燃料进入阀fuel control valve燃料控制阀fuel injection valve燃油喷射阀fuel outlet valve放油阀fuel-tank selector valve 燃油箱分离阀ga(u)ge cock valve水位旋塞阀gasvalve排气阀gas admittancevalvegas and gasoline threeway valve 煤气与汽油三通阀gas bleed valve泄气阀gas charging valve充气阀(蓄能器)gas check valve闭气阀gas control valve气体调节阀gas escape valve煤气放气阀gas inlet valve进气阀gas linking valve燃气连结阀gas oil solenoid valve气体油料螺管阀gas outlet valve出气阀gas precharge valve充气阀gas sampling valve气体进样阀gas-engine inlet valve煤气机进气阀gas-filled valve充气管gas-filling valve充气阀gasoline valve汽油门gas-tank valve汽油箱汽门gate valve闸式阀, 闸门阀gate gurgle valve泄油阀gate turn valve旋转炉门genital valve生殖瓣gland sealing steam control valve。

阀门专用英语词汇

弹簧薄膜式减压阀 Spring diaphragm reducing valve
弹簧式安全阀 Direct spring loaded safety valve
弹簧座 Spring plate
弹性闸板 Flexible gate disc
当量计算排量 Equivalent calculated capacity
薄膜 thin film
薄膜; 隔膜 diaphragm
薄膜式减压阀 Diaphragm reducing valve
薄型闸阀 Thin Gate Valves
不封闭式 Unseal type
槽车球阀 Tank Lorry Ball Valves
颤振 Flutter
常闭式 Normally closed type
单阀碟双面平行密封闸阀 parallel single disk gate valve
单口排气阀 Single Opening Exhaust Valves
单向阀 Non-return Valve
单闸板 Single gate disc
单闸板平板闸阀 Single Disc Flat Gate Valves
波纹管密封阀 bellow sealed valve
波纹管密封式 Bellows seal type
波纹管平衡式安全阀 Bellows seal balance safety valve
波纹管式减压阀 Bellows reducing valve
波纹管式减压阀 Bellows weal reducing valve
电液伺服阀 electro-hydraulic servovalve
调节弹簧 Regulation spring

活塞式减压阀工作原理

活塞式减压阀工作原理
活塞式减压阀是一种常见的减压装置，其工作原理基于力平衡原理。

下面将详细介绍其工作原理。

活塞式减压阀通常由阀体、活塞、弹簧和调节螺母等部件组成。

其主要工作原理如下：
1. 当介质压力超过设定压力时，介质通道中的介质压力作用在活塞上。

2. 活塞受到介质压力的作用下压，同时通过阀体上的通道将介质压力传导到活塞底部。

3. 这个通道的直径通常较小，因此所产生的力较小。

4. 弹簧的另一端施加相反的力，将活塞上抬，缓慢关闭减压阀门。

5. 弹簧的压力和活塞底部的压力相平衡时，活塞停止上升，减压阀处于关闭状态。

6. 当介质压力下降时，弹簧的力将活塞向下推，打开减压阀门。

7. 通过适当调整调节螺母，可以改变弹簧的压力，从而改变减压阀的工作压力范围。

通过以上工作原理，活塞式减压阀在超过设定压力时自动关闭，
保证了系统内部介质压力在安全范围内。

同时，由于活塞式减压阀的结构相对简单，维修和更换零件也较为方便。

减压阀的阀门类型代号

减压阀的阀门类型代号
减压阀是一种重要的工业设备，用于控制管道、容器或系统中的流体压力，保护设备免受过高压力的损害。

不同类型的减压阀具有不同的阀门类型代号，以下是几种常见的减压阀阀门类型代号。

1. 直角阀（Angle Valve）- 直角阀的阀门类型代号通常为AV。

这种类型的阀门在工业设备中被广泛使用，主要用于调节和控制流体的流量和压力。

2. 双座阀（Double Seat Valve）- 双座阀的阀门类型代号通常为DSV。

这种阀门具有两个阀座，可以同时控制进出口流体的压力，实现精确的压力控制。

3. 气动隔膜阀（Pneumatic Diaphragm Valve）- 气动隔膜阀的阀门类型代号通常为PDV。

这种阀门采用隔膜结构，通过气动装置控制阀门的开关，广泛应用于化工、制药等行业。

4. 定量泄压阀（Proportional Relief Valve）- 定量泄压阀的阀门类型代号通常为PRV。

这种阀门可以根据设定的压力范围，实现恒定的流体泄压，可用于管道和容器的压力保护。

5. 液控调压阀（Liquid Control Pressure Regulator）- 液控调压阀的阀门类型代号通常为LCPR。

这种阀门通过液体压力来调节流体压力，适用于高精度压力控制的场合，如燃料供应系统。

以上是几种常见的减压阀阀门类型代号。

这些阀门类型根据不同的工业需求和应用场合而设计，通过合适的选择和安装，能够确保设备和系统的安全运行，并有效减轻压力对设备的影响。

可调式减压稳压阀-Arimori Valve

可调式减压可调式减压稳压阀稳压阀200X 型可调式减压稳压阀与500X 型稳压泄压阀，可调式减压稳阀与稳压泄压阀的技术参数，结构图、工作原理和安装图介绍。

200X 可调式减压稳压阀200X 型减压稳压阀属于先导薄膜式减压阀，主要用来调节与控制主阀的出口压力，主阀出口压力不因进口压力变化而改变，亦不因主阀出口流量的变化而改变其出口压力。

可用于生活给水、消防系统及工业给水系统。

可调式减压稳压阀工作原理水流通过导管进入主阀的控制室、并建立向下的压力，出口压力也通过导管作用在导阀的膈膜下并与导阀的调节弹簧相对抗。

当下游压力超过导阀弹簧设定值时，导阀关闭，控制室内的水排泄量为0，上阀腔可变压力达到最大，则主阀盘紧阀座减压阀出口减小。

可调式减压稳压阀连接尺寸公称通径尺寸(mm)DN(mm)L宽H20150245195 25160254208 32180263222 40200272237 50203282254 65216292272 80241310282 100270330303 125300358344 150330385385 200400438437 250480490532 300550550600 350622617677 400685693764 450750778862 500811873972 6009359801096可调式减压稳压阀调节方法1、关闭上游隔离阀，开启下游隔离阀泄压，使下游压力降低0.1MPA以下后，关闭下游隔离阀。

2、将导阀调节螺钉拧至最上方位置。

3、慢慢开启上游隔离至全开。

4、慢慢向下拧紧调节螺钉，出口压力将逐步升高，直到设定值时将调节螺钉锁订。

5、如果调压过头，须从第一步开始重新调，只能冲低压往高压调。

可调式减压稳压阀组的安装压力表弹性座封闸阀过滤器200X减压阀泄压阀阀泄压稳压泄压500X稳压500X型稳压/泄压阀由主阀、泄压/持压导阀针阀、球阀、微形过滤器和压力表组成水力控制接管系统。

给水排水知识：活塞式减压阀的结构特点

给水排水知识：活塞式减压阀的结构特点活塞式减压阀，蒸汽减压阀是气动调节阀的一个必备配件，主要作用是将气源的压力减压并稳定到一个定值，以便于调节阀能够获得稳定的气源动力用于调节控制。

按结构形式可分为膜片式、弹簧薄膜式、活塞式、杠杆式和波纹管式；按阀座数目可人为单座式和双座式；按阀瓣的位置不同可分为正作用式和反作用式活塞式减压阀的工作由阀后压力进行控制。

当压力感应器检测到阀门压力指示升高时，减压阀阀门开度减小；当检测到减压阀后压力减小，减压阀阀门开度增大，以满足控制要求。

活塞式减压阀——该阀门的减压比必须在一定程度上高于系统值；即使在大或者小流量时它也应该能够对正作用或者反作用控制信号做出响应。

这些阀门应该针对有用控制范围选择，即大流量的20%到80%.正常为等比型或者具有等比特性。

这些类型的阀门本身具有比例控制所要求的佳流量特性及流量范围。

弹簧活塞式减压阀主要由调节弹簧、膜片、活塞、阀座、阀瓣等零件组成，是弹簧薄膜式减压的换代产品。

利用活塞直接传感下游压力驱动阀瓣，控制阀瓣开度完成减压稳压功能。

本产品在城市建筑、高层建筑的冷热供水系统中，可取代常规分区水管，节省设备。

也可在通常的冷热水管网中，起减压稳压作用。

弹簧活塞式减压阀是气动调节阀的一个必备配件，主要作用是将气源的压力减压并稳定到一个定值，以便于调节阀能够获得稳定的气源动力用于调节控制。

弹簧活塞式减压阀的结构特点：按结构形式可分为膜片式、弹簧薄膜式、活塞式、杠杆式和波纹管式；按阀座数目可人为单座式和双座式；按阀瓣的位置不同可分为正作用式和反作用式。

弹簧活塞式减压阀的工作原理：弹簧活塞式减压阀的工作由阀后压力进行控制。

当压力感应器检测到阀门压力指示升高时，减压阀阀门开度减小；当检测到减压阀后压力减小，减压阀阀门开度增大，以满足控制要求。

弹簧活塞式减压阀的减压比必须在一定程度上高于系统值；即使在大或者小流量时它也应该能够对正作用或者反作用控制信号做出响应。

Y42X减压阀

Y42X型弹簧活塞式减压阀适用于工作温度0~90C的水、空气和非腐蚀液体管路上。

在高层建筑的冷热水供水和消防供水系统中，可取代常规分区水管，简化和节省系统的设备，降低工程造价。

该产品比原膜片式提高寿命3倍以上。

详细描述:Y42X减压阀作用：使管道中介质出口压力低于进口压力, 并保持出口压力近于恒定的压力控制阀。

减压阀应用：化工、石化、石油、造纸、采矿、电力、液化气、食品、制药、给排水、市政、机械设备配套、电子工业，城建等领域。

Y42X减压阀『水用减压』Y42X 减压阀Y42X注意：◆使用减压阀时，严禁乱拧乱动、自行拆卸。

否则减压阀的严密性能和降压性能都会遭到破坏。

这不但影响正常供气，而且会造成以高压气体直接送气或漏气发生火灾的危险。

◆减压阀不但起降压作用而且起稳压作用。

因此，使用时，禁止将减压阀的出气孔堵住Y42X减压阀工作原理：减压阀是一种自动降低管路工作压力的专门装置，它可将阀前管路较高的水压减少至阀后管路所需的水平。

减压阀广泛用于高层建筑、城市给水管网水压过高的区域、矿井及其他场合，以保证给水系统中各用水点获得适当的服务水压和流量。

减压阀基本性能：◆调压范围：它是指减压阀输出压力P2的可调范围，在此范围内要求达到规定的精度。

调压范围主要与调压弹簧的刚度有关。

◆压力特性：它是指流量g为定值时，因输入压力波动而引起输出压力波动的特性。

输出压力波动越小，减压阀的特性越好。

输出压力必须低于输入压力—定值才基本上不随输入压力变化而变化。

◆流量特性：它是指输入压力—定时，输出压力随输出流量g的变化而变化的持性。

当流量g发生变化时，输出压力的变化越小越好。

一般输出压力越低，它随输出流量的变化波动就越小。

减压阀选用：根据使用要求选定减压阀的类型和调压精度，再根据所需最大输出流量选择其通径。

决定阀的气源压力时，应使其大于最高输出压力0.1MPa。

减压阀一般安装在分水滤气器之后，油雾器或定值器之前，并注意不要将其进、出口接反；阀不用时应把旋钮放松，以免膜片经常受压变形而影响其性能。

阀门部件中英文对照

阀门部件中英文对照阀valve阀板valve deck plate阀板valve plate阀板式活塞泵valve deck plate type piston pump 阀板式活塞泵valve plate type piston pump阀瓣Disc阀操纵杆valve operating rod阀痤槽valve seat recess阀挡valve grid阀挡valve positioner阀挡valve stop阀导杆valve tail rod阀导向器valve guide阀盖bonnet阀盖衬套bonnet bush阀盖垫片bonnet gasket阀杆stem阀杆valve rod阀杆valve spindle阀杆端部尺寸Dimmension of valve stem end阀杆环stem ring阀杆螺母Yoke bushing Yoke nut阀杆填料stem packing阀杆头部尺寸Dimension of valve stem head阀簧valve spring阀簧压板valve spring plate阀控水锤泵valve-controlled hydraulic ram阀框架valve yoke阀门Valve阀门传动装置valve bandle set阀门和管件Valves and Fittings阀门盘根valve packing阀门手柄valve handle阀盘disc阀盘valve disc阀片Disc阀球valve ball阀驱动臂valve driving arm阀驱动臂valve motion arm阀式活塞valve type piston阀式活塞valve type bucket阀室式活塞泵valve box type piston pump阀室式活塞泵（美）valve pot type piston pump阀抬起装置valve lifting device阀体body阀体valve body阀箱valve box阀箱valve cage阀箱valve chest阀箱；阀限位器valve guard阀箱盖cover for valve box阀箱盖valve box cover阀箱式活塞泵（美）turret type piston pump阀形活塞泵valve type piston pump阀座Seat ring阀座valve carrier阀座valve seat(body seat)阀座；阀盘valve seat阀座环seat ring阀座密封嵌条sealing strip for valve seat法兰flange法兰堵头blind flange法兰端flange end法兰接头flange joint法兰连接紧固件（双头螺栓和螺帽）flange bolting 法兰密封面，法兰面flange facing法兰面加工flange facing finish法兰球阀Flange Ball Valves翻板阀Flap反冲盘Disc holder反向作用式减压阀Reverse acting reducing valve反向作用式减压阀Reverse acting reducing valve放空阀emptying valve放气阀air vent valve;vent valve放气阀；排气阀air evacuation valve放泄阀escape valve分置阀室式活塞泵separate valve box type piston pump 分置阀室式活塞泵（美）side pot type piston pump封闭式Seal type浮动式球阀Float ball valve浮球Ball float浮球阀Float Valve浮球式疏水阀Ball float steam trap浮球式疏水阀Free Float Type Steam Trap浮桶Bucket float浮桶式疏水阀Open bucket steam trap辅助（副）阀Auxiliary valves负荷率Rate of load condensate附加背压力Superimposed back pressure复位弹簧Returnning spring杠杆式Lever type杠杆式安全阀Lever and weight loaded safety valve杠杆式减压阀Lever reducing valve高温阀门High temperature valve高压阀门High pressure valve格兰密封gland隔离阀isolating valve隔膜Diaphragm隔膜阀diaphragm valve隔膜式控制阀diaphragm operated comtrol valve工作背压Operating back pressure工作温度Operating temperature工作温度Working temperature工作压差Operting differential pressure工作压力Operating pressure工作压力Working pressure公称通径Nominal diameter公称压力Nominal pressure固定式球阀Fixed ball valve关闭压力Lockup pressure关阀过冷度Subcooled temperature of close valve关阀温度Closing valve temperature管道安全阀Piping Safety Valves过冷度Subcoold temperature过流阀(或节流阀) Restrictor Valves喉径Throat diameter滑阀slide valve滑阀式回转活塞泵rotary piston pump with slide gate 滑阀型转子泵eccentric rotary pump with sliding sleeve 环形阀annular valve环形阀double beat valve换向阀selector valve换向阀shuttle valve回转滑阀活塞泵piston pump with rotary gate回座压力Re-seating pressure of a safety valve活塞昵减压阀Piston reducing valve活塞式阀piston valve活塞式阀；柱塞式阀plunger valve活塞式减压阀Piston reducing valve减速阀Deceleration valves减压比Pressure reducing ratio减压阀pressure reducing valve浆液阀Parallel Slide Valves角阀Angle Valve角阀isolation valve angle configuration角式Angie type角式节流阀Angle Throttle Valves角式截止阀Angle Stop valves铰链阀；片状阀flapper valve节流阀throttle valve节流阀choke valve节流阀；节流throttle结构长度Face-to-face dimension ;End-to-end dimension; Face-to-centre dimension 结构形式Type of construction截止阀Globe valve截止阀Shut-off Valve截止阀；关断阀shut-off valve截止式隔膜阀Globe diaphragm valve紧急切断阀Emergeny Cut-off Valves进气阀air intake valve进水阀；进口阀门inlet valve静态特性Static characteristics静态特性偏差Static characteristics derivation开阀过冷度Subcooled temperature of open valve开阀温度Opening valve temperature开启高度Lift壳体试验Shell test壳体试验压力Seal test pressure空气阀门Air valves快速排污阀Quick Draining Valves一、阀门种类英汉术语对照Airvalves空气阀门AngleStopvalves角式截止阀AngleThrottleValves角式节流阀AngleTypeGlobeValves门角式截止阀Ashvalves排灰阀Aspiratingvalves吸（抽）气阀Auxiliaryvalves辅助（副）阀Balancevalves平衡阀Bellowsvalves波纹管阀Blowdownvalves泄料（放空，排污）阀Brakevalves制动阀ButterflyTypeNon-slamCheck蝶式缓冲止回阀ButterflyValveswithGearActuator蜗轮传动蝶阀Buttweldingvalves对焊连接阀Clampvalves对夹式阀门Cock二通Combinationvalves组合阀CQThreadBallValvesCQ螺纹球阀Culvertvalves地下管道阀Decelerationvalves减速阀DiaphragmValves隔膜阀Decompressionvalves泄压阀DoubleDiscFlatGateValves双闸板平板闸阀DoubleDiskParallelGateValves明杆平行式双闸板闸板DoubleOpeningExhaustValves双口排气球Drainagevalves排水阀ElectricActuatedStopValves电动截止阀ElectricActuatedWedgeGateValves电动楔式闸阀ElectricDoubleDiskParallelGateValves电动平行式双闸板闸板EmergenyCut-offValves紧急切断阀Exhaustvalves排气阀FreeFloatTypeSteamTrap浮球式疏水阀FlangeBallValves法兰球阀FlangeGateValves法兰闸阀FlangeGlobeValves法兰截止阀GaugeValves仪表阀Hand-operatedvalves手动阀HardSealButterflyValves金属密封碟阀HighTemperaturePressurePowerStationGateValves高温高压电站闸阀HighTemperaturePressurePowerStationGlobeValves高温高压电站截止阀Hydraulicrelayvalves液压继动阀LiftCheckValves升降式止回阀LiftCheckValves升降式止回阀Limitvalves限位阀LiningBallValves衬里球阀LiningButterflyValves衬里碟阀LiningCheckValves衬里止回阀LiningCock衬里二通LiningGlobeValves衬里截止阀LiningT-CockValves衬里三通旋塞阀LiquidIndicator液位计LPGPipeFitting液化气管件MagneticCo-operateGlobeValves磁耦合截止阀MagnetismForlePumps磁力泵ManualOilPumpsValves手摇油泵(阀) MeterNeedleTypeGlobeValves仪表针形截止阀ObliqueStopValves直流式截止阀ParallelSlideValves浆液阀Pintlevalve针形阀PipingCentrifugalPumps管道离心泵Plungervalves柱塞阀Pressurevalve压力（増压）阀PipingPumps管道泵PipingSafetyValves管道安全阀PlungerGlobeValves柱塞截止阀QuickDrainingValves快速排污阀RestrictorValves过流阀(或节流阀) SafetyValves安全阀ScrewPumps螺杆泵ScumGateValves排渣闸阀Solenoidvalves电磁阀SingleDiscFlatGateValves单闸板平板闸阀SingleOpeningExhaustValves单口排气球SlurryPumps泥浆泵StopValves截止阀Strainer过滤器SubmergedMotorPumps潜水电泵(排污泵) SwingCheckValves旋启式止回阀SwingCheckValves旋启式止回阀TankLorryBallValves槽车球阀T-Cock三通ThinGateValves薄型闸阀ThrottleValves节流阀TinyDragSlowShutCheckValves微阻缓闭止回阀Triple(tee)valves三通阀Two-wayvalves二通阀UnderWaterPumps液下泵VacuumPumps水力喷射器(真空泵) VerticalLiftCheckValves立式止回阀WaferCheckValves对夹式止回阀Waferplatevalves对夹蝶板阀WaferTypeButterflyValveswithRubberItning对夹式衬胶蝶阀WasteValves排污箱(阀)WaterSealGateValves水封闸阀WedgeGateValves楔式闸阀YTypeandCylinderFiltersY型筒型过滤器二、零部件英汉术语对照AxisGuide轴套Ball球、球芯Ballseat密封圈BlowdownSealingFace启、阀件密封面Body阀体Bonnet阀盖Disc阀瓣Mut螺母Screw螺栓Sealing密封件Spring弹簧Stem阀杆StemMut阀杆螺母Stemseal填料WedgeDisc闸板三、规范技术英语术语对照Applicablemedium适用介质Applicabletemperature适用温度ButtClamp对夹Chemicalanalysis化学成份Connectingformat连接形式Doubledisc双闸板Flexibledisc弹性闸板Flange法兰Hoop卡箍Insidethread内螺纹Jacket夹套Mains电源Materialchemicalanalysisandmechanicalcapacity材料化学成份和机械性能materials材料Materialsformainparts主要零件材料Mechanicalcapacity机械性能Max.DischargingCapacity最大排水量Max.OperatingTemperature最高工作温度Max.AllowableTemperature最高允许温度Max.AllowablePressure最高允许压力Model型号Nameofparts零件名称nitrogen(N)氮Nominalbore公称通径NominalPressure公称压力Nozzle排气口Outsidethread外螺纹Oxidant氧化性介质Parallel平行Piping管路Piston活塞Reductant还原性介质Risingstem明杆Seal阀座，密封面Seattestingpressure压力气密封试验压力Socket卡套Specifications性能规范Singledisc单闸板Solid刚性Strenghtestingpressure强度试验压力Steam,condensate蒸汽,凝结水Stroke冲程，行程Water,oil,steam水,温度,气Wedge楔式Welding焊接四、材质术语英汉对照Atbasmetal镍铬钢Buna-Nrubber丁晴橡胶Castingaluminiumbrass铸铝黄铜Castingaluminiumbronze铸铝青铜Ceramicmetal陶瓷金属Chromelalloy镍铬合金CHRrubber氯晴橡胶Chrominm-molybdenum-vanadiumsteel铬钼钒钢Chromiumstainlesssteel铬不锈钢Chromium-molybdenumsteel铬钼钢Corrugationpad波形垫Cuprumalloy铜合金DuctileCastiron球墨铸铁Expandedgraphite柔性石墨FineSteelCastingiron优质碳素钢Fluorousrubber氟橡胶GrayCastiron灰铸铁Hayne’salloy钴铬钨合金Hightemperaturesteel高温钢Monel蒙乃尔合金Lowtemperaturesteel低温钢Nylon尼龙塑料Polytetrafluoroethylene(PTEF)聚四氟乙烯Polythene聚乙烯Purealuminium纯铝Purecupper纯铜Rubbergraphiteboard橡胶石墨板Springsteel弹簧钢Stainlessacid-resistingsteel不锈耐酸钢StainlessandGraphite不锈钢/石墨Stainlesssteel不锈钢SteelCastingiron碳素钢铸件ShellTestPressure壳体试验压力ServiceFluid工作介质。

活塞式减压阀结构及工作原理

活塞式减压阀结构及工作原理
1结构
活塞式减压阀是一种能够根据输入压力自动调节输出压力的阀门，包括主体、气室、活塞、弹簧等部分。

主体是由进出口和减压室组成的一体化结构，减压室的底部也是进口，通过主体进行压力进入与输出。

气室位于主体上部，气室内气体的压力与主体内的压力关联，活塞运动受气室内部气压的影响。

活塞上部设有一个头部，与气室之间由防爆盖板相隔的深孔连接，活塞在运动过程中通过此孔与气室通气，使得在气室内的气体在调节压力的同时也起到缓冲作用。

弹簧安装在活塞下部，颠簸物料在起伏沉降流动过程中，弹簧通过压缩或释放控制活塞的运动，全过程完成了减压处理。

2工作原理
活塞式减压阀根据气室内部的压力，通过调节进口的压力，以达到减小输出压力的效果。

当进口压力大于减压阀设定的减压值时，进口压力通过主体通入减压室，活塞受到上面气室内压力的作用，应用杠杆原理向上运动，
减压室供气口上的压力减小，减小流量进入减压室，从而使减压室的压力下降，继而输出口压力也随之降低。

当减缓压力达到设定的值时，由于弹簧的作用力和气室的压力，输出口压力被锁定维持在减压值，此时进口中的压力超过压力输出口压力时，如从进口侧压力降低，压缩弹簧作用，让活塞向下运动，减压室内压力下降，输出口的气压也下降，直至与进口压力平衡。

活塞式减压阀有着广泛的应用场景，例如在输送颗粒物料的过程中，可以通过调整减压阀的设定，保证颗粒从输送管道中黏附脱落不至于严重，减缓颗粒的损伤和破碎。

同时，由于减压级别的有效控制，减压阀的稳定性和可靠性也得到了进一步提升。

YK43X先导活塞式氮气减压阀作用原理

YK43X先导活塞式氮气减压阀作用原理YK43X先导活塞式氮气减压阀作用原理本系列减压阀属于先导活塞式减压阀。

由主阀和导阀两部分组成。

主阀主要由阀座、主阀盘、活塞、弹簧等零件组成。

导阀主要由阀座、阀瓣、膜片、弹簧、调整弹簧等零件组成。

通过调整调整弹簧压力设定出口压力、利用膜片传感出口压力变化，通过导阀启闭驱动活塞调整主阀节流部位过流面积的大小，实现减压稳压功能。

减压阀（ reducing valve）是采纳掌握阀体内的启闭件的开度来调整介质的流量，将介质的压力降低，同时借助阀后压力的作用调整启闭件的开度，使阀后压力保持在肯定范围内，在进口压力不断变化的状况下，保持出口压力在设定的范围内，YK43X先导活塞式氮气减压阀作用原理（1）调压范围：它是指减压阀输出压力P2的可调范围，在此范围内要求达到规定的精度。

调压范围主要与调压弹簧的刚度有关。

（2）压力特性：它是指流量g为定值时，因输入压力波动而引起输出压力波动的特性。

输出压力波动越小，减压阀的特性越好。

输出压力必需低于输入压力定值才基本上不随输入压力变化而变化。

（3）流量特性：它是指输入压力定时，输出压力随输出流量g的变化而变化的持性。

当流量g发生变化时，输出压力的变化越小越好。

一般输出压力越低，它随输出流量的变化波动就越小。

YK43X先导活塞式氮气减压阀作用原理l、本阀由主阀和导阀两部分组成，主阀体下部有下盖、主阀弹簧、主阀瓣，主阀瓣由主阀弹簧支撑，使主阀处于密封状态。

主阀体上部有活塞、缸套等；当活塞受介质压力后，靠缸套导向推动主阀瓣，使阀门开启；导阀体内有导阀弹簧、导阀瓣，膜片等，导阀弹簧支撑导阀瓣，使导阀处于密封状态；导阀上盖内有调整弹簧、调整螺栓，便于调整所需的工作压力。

2、本阀出厂时，主阀与导阀是关闭的，使用时，顺时针方向旋转调整螺栓，顶开导阀瓣，介质由"a'道通入导阀腔进入"S'道，靠介质压力推动活塞，使主阀瓣开启，介质流向阀后，同时由"B'道进入膜片下腔。

弹簧活塞式减压阀Y42

弹簧活塞式减压阀Y42
产品概述
Y42X减压稳压阀是一种以活塞代替膜片的压力调节阀。

比膜片式提高寿命三倍以上。

该阀门属于可调节型减压阀，阀后的压力可根据需要调节，投入使用后阀后压力始终减至并稳定在设定直，不因阀前压力、流量的波动而改变。

阀门选材优质，性能可靠，使用寿命长。

根据EN746-2规定的要求，为防止管路超压，应在燃气减压阀上游和下游分别安装超压力自动切断阀SAV和安全释放阀SBV。

但如果减压阀下游设备的耐压等级比减压阀前管道中的实际燃气压力高的话，则上述两种阀门可以省略。

上海良京阀门制造有限公司网站地址: 联系电话：021-6381 0008 公司传真：021-5632 1005。

弹簧式泄压阀原理(一)

弹簧式泄压阀原理(一)弹簧式泄压阀1. 引言弹簧式泄压阀（Spring-loaded pressure relief valve）是一种常用于控制流体压力的设备。

它通过调节和释放过高的压力，起到保护和安全作用。

本文将从原理、结构以及特点等方面进行介绍。

2. 原理弹簧式泄压阀采用弹簧的力量来控制流体的泄压。

当流体的压力超过设定的压力值时，弹簧开始受压，弹力增大，从而打开阀门，流体通过阀门泄压，保持压力在设定范围内。

3. 结构主体部分弹簧式泄压阀主要由阀体、阀盖、弹簧和弹簧座等构成。

阀体和阀盖通常使用高强度的材料，以承受较大的压力。

而弹簧则选用耐压性好的材料，通常为不锈钢，以确保长时间的稳定性和耐用性。

弹簧机构弹簧机构是弹簧式泄压阀的核心部分。

其构造通常包括弹簧座、弹簧和调节螺母等。

通过螺母的旋转，可以调整弹簧的受力程度和阀门打开的压力值，实现对流体压力的精确控制。

弹簧式泄压阀在阀体和阀盖之间通常设有密封结构，以确保流体的泄压通道仅限于阀门打开时。

常见的密封结构包括耐磨橡胶垫圈和金属密封垫等，以防止流体的泄漏和外界介质的进入。

4. 特点准确可靠弹簧式泄压阀通过弹簧的力量进行精确的调节，可以使流体的压力在设定范围内得到准确控制。

并且由于使用弹簧机构，使得阀门的开启和关闭操作更加可靠。

适用范围广弹簧式泄压阀适用于各种流体介质的控制，如气体、液体等。

而且由于结构简单、体积小巧，可在各种工况下进行安装和使用。

耐用性强弹簧式泄压阀的主要零部件采用高强度材料，并经过精心的制造工艺，使得其具有较强的耐压性和耐腐蚀性，可以适应各种复杂的工作环境。

5. 应用领域石油化工在石油化工行业中，弹簧式泄压阀被广泛应用于管道、容器等设备中，用于控制和保护系统的压力，防止发生过压事故。

发电设备中需要对液体和气体进行压力控制，弹簧式泄压阀在其中扮演了重要的角色，有效保障了设备的正常运行和安全性。

工业制造弹簧式泄压阀在各种工业制造过程中，如制药、纺织、造纸等行业中广泛应用，确保生产过程中液体或气体的安全储存和排放。

阀门术语中英文对照

容积式压缩机positive displacement compressor往复式压缩机（活塞式压缩机）reciprocating compressor回转式压缩机rotary compressor滑片式压缩机sliding vane compressor单滑片回转式压缩机single vane rotary compressor滚动转子式压缩机rolling rotor compressor三角转子式压缩机triangle rotor compressor多滑片回转式压缩机multi-vane rotary compressor滑片blade旋转活塞式压缩机rolling piston compressor涡旋式压缩机scroll compressor涡旋盘scroll固定涡旋盘stationary scroll, fixed scroll驱动涡旋盘driven scroll, orbiting scroll斜盘式压缩机（摇盘式压缩机）swash plate compressor斜盘swash plate摇盘wobble plate螺杆式压缩机screw compressor单螺杆压缩机single screw compressor阴转子female rotor阳转子male rotor主转子main rotor闸转子gate rotor无油压缩机oil free compressor膜式压缩机diaphragm compressor活塞式压缩机reciprocating compressor单作用压缩机single acting compressor双作用压缩机double acting compressor双效压缩机dual effect compressor双缸压缩机twin cylinder compressor闭式曲轴箱压缩机closed crankcase compressor开式曲轴箱压缩机open crankcase compressor顺流式压缩机uniflow compressor逆流式压缩机return flow compressor干活塞式压缩机dry piston compressor双级压缩机compound compressor多级压缩机multistage compressor差动活塞式压缩机stepped piston compound compressor, differential piston compressor 串轴式压缩机tandem compressor, dual compressor截止阀line valve, stop valve排气截止阀discharge line valve吸气截止阀suction line valve部分负荷旁通口partial duty port能量调节器energy regulator容量控制滑阀capacity control slide valve容量控制器capacity control消声器muffler联轴节coupling曲轴箱crankcase曲轴箱加热器crankcase heater轴封crankcase seal, shaft seal填料盒stuffing box轴封填料shaft packing机械密封mechanical seal波纹管密封bellows seal转动密封rotary seal迷宫密封labyrinth seal轴承bearing滑动轴承sleeve bearing偏心环eccentric strap滚珠轴承ball bearing滚柱轴承roller bearing滚针轴承needle bearing止推轴承thrust bearing外轴承pedestal bearing臼形轴承footstep bearing轴承箱bearing housing止推盘thrust collar偏心销eccentric pin曲轴平衡块crankshaft counterweight, crankshaft balance weight 曲柄轴crankshaft偏心轴eccentric type crankshaft曲拐轴crank throw type crankshaft连杆connecting rod连杆大头crank pin end连杆小头piston pin end曲轴crankshaft主轴颈main journal曲柄crank arm, crank shaft曲柄销crank pin曲拐crank throw曲拐机构crank-toggle阀盘valve disc阀杆valve stem阀座valve seat阀板valve plate阀盖valve cage阀罩valve cover阀升程限制器valve lift guard阀升程valve lift阀孔valve port吸气口suction inlet压缩机气阀compressor valve吸气阀suction valve排气阀delivery valve圆盘阀disc valve环片阀ring plate valve簧片阀reed valve舌状阀cantilever valve条状阀beam valve提升阀poppet valve菌状阀mushroom valve杯状阀tulip valve缸径cylinder bore余隙容积clearance volume附加余隙（补充余隙）clearance pocket活塞排量swept volume, piston displacement理论排量theoretical displacement实际排量actual displacement实际输气量actual displacement, actual output of gas 气缸工作容积working volume of the cylinder活塞行程容积piston displacement气缸cylinder气缸体cylinder block气缸壁cylinder wall水冷套water cooled jacket气缸盖（气缸头）cylinder head安全盖（假盖）safety head假盖false head活塞环piston ring气环sealing ring刮油环scraper ring油环scrape ring活塞销piston pin活塞piston活塞行程piston stroke吸气行程suction stroke膨胀行程expansion stroke压缩行程compression stroke排气行程discharge stroke升压压缩机booster compressor立式压缩机vertical compressor卧式压缩机horizontal compressor角度式压缩机angular type compressor对称平衡型压缩机symmetrically balanced type compressor CQ螺纹球阀CQ Thread Ball ValvesL形三通式L-pattern three wayT形三通式T-pattern three way安全阀Safety valve暗杆闸阀Inside screw nonrising stem type gate valve百叶窗;闸板shutter百叶窗式挡板louver damper摆阀式活塞泵swing gate piston pump保温式Steam jacket type报警阀alarm valve报警阀;信号阀;脉冲阀sentinel valve背压调节阀back pressure regulating valve背压率Rate of back pressuec本体阀杆密封body stem seal波纹管阀Bellows valves波纹管密封阀bellow sealed valve波纹管密封式Bellows seal type波纹管平衡式安全阀Bellows seal balance safety valve波纹管式减压阀Bellows reducing valve波纹管式减压阀Bellows weal reducing valve薄膜thin film薄膜;隔膜diaphragm薄膜式减压阀Diapjragm reducing valve薄型闸阀Thin Gate Valves不封闭式Unseal type槽车球阀Tank Lorry Ball Valves颤振Flutter常闭式Normally closed type常开式Normally open type超低温阀门Cryogenic valve超高压阀门Super high pressure valve超过压力Overpressure of a safety valve衬胶隔膜阀rubber lined diaphragm衬胶截止阀rubber lined globe valve垂直板式蝶阀Vertical disc type butterfly valve磁耦合截止阀Magnetic Co-operate Globe Valves带补充载荷的安全阀Supplementary loaded safety valve带辅助装置的安全阀Assisted safety valve单阀碟双面平行密封闸阀parallel single disk gate valve单口排气阀Single Opening Exhaust Valves单向阀Non-return Valve单闸板Single gate disc单闸板平板闸阀Single Disc Flat Gate Valves弹簧薄膜式减压阀Spring diaphragm reducing valve弹簧式安全阀Direct spring loaded safety valve弹簧座Spring plate弹性闸板Flexible gate disc当量计算排量Equivalent calculated capacity挡板damper导阀Pilot valve导向套Valve guide disc guide低温阀门Sub-zero valve低压阀门Low pressure valve底阀bottom valve底阀Foot valve电磁动装置Eletro magnetic actuator电磁阀magnetic valve电磁阀solenoid valve电磁－液动装置Eletro magnetichydraulic actuator电动阀mortor operated valve电动阀motorized valve电动截止阀Electric Actuated Stop Valves电动平行式双闸板闸板Electric Double Disk Parallel Gate Valves 电动楔式闸阀Electric Actuated Wedge Gate Valves电动装置Electric actuator电－液动装置Eletro hydraulic actuator电液伺服阀electro-hydraulic servovalve调节弹簧Regulation spring调节阀adjusting valve调节阀control valve调节阀regulating valve调节螺套Adjusting bolt Adjusting screw调节圈Adjusting ring蝶板Disc蝶阀；瓣阀butterfly valve蝶阀；瓣阀；拍门；铰链阀flap valve蝶式缓冲止回阀Butterfly Type Non-slam Check蝶式止回阀Butterfly swing check valve定比减压阀Proprutioning pressure reducing valve定差减压阀Fixed differential reducing valve定值减压阀Fixed pressure reducing valve动态特性Dynamic characteristics对焊连接阀Buttwelding valves对夹蝶板阀Wafer plate valves对夹式衬胶蝶阀Wafer Type Butterfly Valves with Rubber Itning对夹式阀门Clamp valves对夹式止回阀Wafer Check Valves额定排量Certified capacity额定排量系数Derated coefficient of discharge 二通阀Two-way valves阀valve阀板valve deck plate阀板valve plate阀板式活塞泵valve deck plate type piston pump 阀板式活塞泵valve plate type piston pump阀瓣Disc阀操纵杆valve operating rod阀痤槽valve seat recess阀挡valve grid阀挡valve positioner阀挡valve stop阀导杆valve tail rod阀导向器valve guide阀盖bonnet阀盖衬套bonnet bush阀盖垫片bonnet gasket阀杆stem阀杆valve rod阀杆valve spindle阀杆端部尺寸Dimmension of valve stem end阀杆环stem ring阀杆螺母Yoke bushing Yoke nut阀杆填料stem packing阀杆头部尺寸Dimension of valve stem head阀簧valve spring阀簧压板valve spring plate阀控水锤泵valve-controlled hydraulic ram阀框架valve yoke阀门Valve阀门传动装置valve bandle set阀门和管件Valves and Fittings阀门盘根valve packing阀门手柄valve handle阀盘disc阀盘valve disc阀片Disc阀球valve ball阀驱动臂valve driving arm阀驱动臂valve motion arm阀式活塞valve type piston阀式活塞valve type bucket阀室式活塞泵valve box type piston pump阀室式活塞泵（美）valve pot type piston pump阀抬起装置valve lifting device阀体body阀体valve body阀箱valve box阀箱valve cage阀箱valve chest阀箱；阀限位器valve guard阀箱盖cover for valve box阀箱盖valve box cover阀箱式活塞泵（美）turret type piston pump阀形活塞泵valve type piston pump阀座Seat ring阀座valve carrier阀座valve seat(body seat)阀座；阀盘valve seat阀座环seat ring阀座密封嵌条sealing strip for valve seat法兰flange法兰堵头blind flange法兰端flange end法兰接头flange joint法兰连接紧固件（双头螺栓和螺帽）flange bolting 法兰密封面，法兰面flange facing法兰面加工flange facing finish法兰球阀Flange Ball Valves翻板阀Flap反冲盘Disc holder反向作用式减压阀Reverse acting reducing valve反向作用式减压阀Reverse acting reducing valve放空阀emptying valve放气阀air vent valve;vent valve放气阀；排气阀air evacuation valve放泄阀escape valve分置阀室式活塞泵separate valve box type piston pump 分置阀室式活塞泵（美）side pot type piston pump封闭式Seal type浮动式球阀Float ball valve浮球Ball float浮球阀Float Valve阀门种类中英文对照中文英文中文英文阀门valve 通用阀门General valve球阀Ball valve 槽车球阀Tank Lorry Ball ValvesCQ 螺纹球阀CQ Thread Ball Valves 法兰球阀Flange Ball Valves衬里球阀Lining Ball Valves API球阀API Ball valves浮动球阀Float Ball valves 固定球阀Trunnion-mounted Ball valves三通法兰球阀Three Ball valves V 型调节球阀V-Regulating Ball valves闸阀Gate valve 楔式闸阀Wedge Gate Valves法兰闸阀Flange Gate Valves 排渣闸阀Scum Gate V alves薄型闸阀Thin Gate Valves 水封闸阀Water Seal Gate Valves电动楔式闸阀Electric Actuated Wedge Gate Valves 平板闸阀Flat Gate Valve单闸板平板闸阀Single Disc Flat Gate Valves 电动平行式双闸板闸阀Electric Double Disk Parallel Gate Valves双闸板平板闸阀Double Disc Flat Gate Valves 明杆平行式双闸板闸阀Double Disk Parallel Gate Valves截止阀Globe valve 角式截止阀Angle Globe valves门角式截止阀Angle Type Globe V alves 电动截止阀Electric Actuated Stop V alves法兰截止阀Flange Globe Valves 衬里截止阀Lining Globe V alves直流式截止阀Oblique Stop Valves 柱塞截止阀Plunger Globe Valves止回阀Check valve 旋启式止回阀Swing Check Valves对夹式止回阀Wafer Check Valves 蝶式缓冲止回阀Butterfly Type Non-slam Check蝶式缓冲止回阀Butterfly Type Non-slam Check 升降式止回阀Lift Check Valves衬里止回阀Lining Check Valves 微阻缓闭止回阀Tiny Drag Slow Shut Check V alves立式止回阀Vertical Lift Check Valves蝶阀Butterfly Valve 对夹蝶板阀Wafer plate valve衬里蝶阀Lining Butterfly Valves 蜗轮传动蝶阀Butterfly Valves with Gear Actuator对夹式衬胶蝶阀Wafer Type Butterfly Valves with Rubber Itning 金属密封蝶阀Hard Seal Butterfly Valves隔膜阀diaphragm valve 旋塞阀plug valve安全阀safety valve 管道安全阀Piping Safety Valves回转阀rotary valve 减压阀pressure reducing valve减速阀Deceleration valves 泄压阀Decompression valves蒸汽疏水阀Automatic steam trap valve 组合阀Combination valves针形阀Pintle valve 仪表阀Gauge Valves仪表针形截止阀Meter Needle Type Globe Valves 空气阀门Air valves排灰阀Ash valves 吸（抽）气阀Aspirating valves辅助（副）阀Auxiliary valves 平衡阀Balance valves波纹管阀Bellows valves 泄料（放空，排污）阀Blowdown valves制动阀Brake valves 对焊连接阀Buttwelding valves地下管道阀Culvert valves 双口排气球Double Opening Exhaust Valves排水阀Drainage valves 紧急切断阀Emergeny Cut-off Valves排气阀Exhaust valves 浮球式疏水阀Free Float Type Steam Trap手动阀Hand-operated valves 液压继动阀Hydraulic relay valves限位阀Limit valves 衬里三通旋塞阀Lining T-Cock Valves 液位计Liquid Indicator 浆液阀Parallel Slide Valves柱塞阀Plunger valves 压力（増压）阀Pressure valve快速排污阀Quick Draining Valves 电磁阀Solenoid valves 过滤器Strainer 节流阀Throttle Valves阀门术语中英文对照中文英文口径bore公称通径Nominal diameter公称压力Nominal pressure工作温度Operating temperature工作压差Operating pressure工作背压Operating back pressure关闭压力Lockup pressure开启高度Lift壳体试验Shell test壳体试验压力Seal test pressure连接尺寸Conncetion cimension连接形式Type of connection流道面积Flow area流道直径Flow diameter流量孔板flow orifice plate流量特性Flow characteristics流量特性偏差Flow characteristics derivation漏汽量Steam loss密封面Sealing face密封试验Seal test密封试验压力Seal test pressure上密封Back seat上密封试验Back seal test适用介质Suitable medium适用温度Suitable temperature最大过冷度Maximum subcoold temperature最大流量Maximum flow rate最大压差Maximum differential pressure最低工作压力Minimum operating pressure最高背压率Maximum rate of back pressure最高允许压力Maximum allowable pressure最小过冷度Minimum subcooled temperature最小压差Minimum differntial pressure常闭式Normally closed type常开式Normally open type阀门零配件中英文对照中文英文阀体body阀盖bonnet阀盖垫片bonnet gasket阀盖衬套bonnet bush阀瓣Disc阀箱valve box阀座Seat ring阀杆Stem阀杆螺母Yoke bushing Yoke nut 法兰flange填料Packing填料垫Packing seat密封件Sealing挡板damper导向套Valve guide disc guide弹簧座Spring plate轴套Axis Guide球、球芯Ball密封圈Ball seat螺母Mut螺栓Screw弹簧Spring闸板Wedge Disc。

活塞式减压阀工作原理

活塞式减压阀工作原理活塞式减压阀是一种常见的控制阀，通常用于调节流体压力并将其保持在设定值范围内。

它的工作原理主要基于活塞与弹簧的协同作用，通过调节活塞位置来控制流体的压力。

活塞式减压阀由活塞、弹簧、调节螺母和壳体组成。

活塞被装置在壳体内部的孔道中，并通过弹簧与壳体连接。

调节螺母用于调整和固定弹簧的压力。

当流体进入减压阀时，首先会与活塞碰撞。

活塞的封底与壳体之间形成了一个密封的空间，将流体阻隔在外部。

随着流体的压力增加，活塞会受到压力的作用而向上移动，这时流体便可以通过活塞上方的通道流出。

同时，弹簧与流体的压力也在不断施加力量。

当流体的压力超过设定的值时，弹簧上的力量将超过流体的压力，使得活塞被强行压回到原位。

活塞回到原位的同时，流体的通道也被关闭，从而减小了流体的压力。

在调节减压阀的压力时，需要调节螺母来改变弹簧的紧缩程度。

当调节螺母旋紧时，弹簧被压缩的更紧，将需要更大的压力才能使活塞上移，从而使流体的压力升高。

相反，当调节螺母松开时，弹簧的压缩程度减小，需要更小的压力才能使活塞上移，从而使流体的压力下降。

活塞式减压阀具有简单、可靠、易于调节的特点，广泛应用于各个工业领域。

它可以在管道系统中起到稳定流体压力的作用，保护其他设备免受过高的流体压力的影响。

通过调节减压阀的压力，可以确保流体在管道系统中正常运行，并保护管道和设备的安全。

总之，活塞式减压阀是一种重要的控制阀，通过活塞和弹簧的协同作用，能够有效地调节流体压力。

它的工作原理简单但可靠，使得它在工业领域得到广泛的应用。

通过合理地调整和维护减压阀，我们可以确保流体系统的正常运行，并保护其他设备的安全。

活塞式蒸汽减压阀工作原理

活塞式蒸汽减压阀工作原理宝子，今天咱们来唠唠活塞式蒸汽减压阀这玩意儿的工作原理，可有趣儿啦。

咱先得知道啥是活塞式蒸汽减压阀哈。

你看啊，在蒸汽的世界里，压力有时候可调皮了，一会儿高一会儿低的。

这活塞式蒸汽减压阀呢，就像是一个超级管理员，专门来管这个蒸汽压力的事儿。

这减压阀里面有个活塞，这活塞就像是个小门卫。

当蒸汽从入口进来的时候，就像一群小怪兽想要冲进一个城堡。

如果这时候蒸汽压力太大，就好比小怪兽太多太猛啦。

那这个活塞就开始发挥作用喽。

你想啊，活塞的上面和下面都受到压力的作用。

当进口的蒸汽压力特别大的时候，这个压力就会推着活塞往下走。

这活塞往下走可不是瞎走的哦，它下面连着一些小部件呢。

就好像活塞是个小队长，带着一群小伙伴一起行动。

当活塞往下走的时候，它就会让蒸汽通过的通道变小。

这就好比是城堡的门本来开得大大的，突然来了太多小怪兽，小门卫就把大门关小一点，这样进来的小怪兽就不会那么多那么猛啦。

通过把通道变小，蒸汽的压力就会降下来。

这时候，从减压阀出口出去的蒸汽压力就变得比较合适啦，不会像刚进来的时候那么“横冲直撞”。

而且哦，这个活塞式蒸汽减压阀还特别聪明呢。

它能根据不同的压力情况自动调整。

比如说，如果进口的蒸汽压力稍微小了一点，那活塞就不会被压得那么狠啦。

它就会往上抬一抬，这样蒸汽通过的通道就会变大一点。

就好像小怪兽少了一些，小门卫就把大门再开大一点，让合适数量的小怪兽进去。

再说说这个减压阀里面的密封件。

这些密封件就像是小卫士的铠甲，要把活塞周围保护得严严实实的。

要是密封不好，蒸汽就会偷偷溜走，那这个减压阀可就不能好好工作啦。

就像小门卫要是铠甲破了个洞，小怪兽就会从旁边溜进去，那可就乱套了。

还有啊，这个活塞式蒸汽减压阀的弹簧也很重要呢。

弹簧就像是个小助手，它会给活塞一个相反的力。

当蒸汽压力推着活塞往下的时候，弹簧就会说：“你别太过分啦，我还得拉着你呢。

”这个弹簧的力量大小也是可以调整的，就像我们可以调整小助手的力气一样。

弹簧式减压阀工作原理

弹簧式减压阀工作原理
弹簧式减压阀是一种常用的控制装置，用于将高压水或气体的压力降低到设定的合适压力。

工作原理如下：
1. 弹簧：弹簧是减压阀的核心部分，它通过承受压力并产生弹力来控制减压阀的开启和关闭。

2. 调节阀芯：减压阀中装有一个调节阀芯，它与弹簧相连。

当调节阀芯受到压力作用时，弹簧被压缩，弹力减小，阀芯移动并打开减压阀。

3. 减压阀体：减压阀体上有一个出口，高压水或气体从这里进入。

当阀芯打开时，流体通过减压阀体流出，压力得以降低。

4. 超过设定压力时：当流体压力超过设定压力时，压力将过大，超过了弹簧的阻力，弹簧开始受到压力作用，恢复到原始状态，阀芯关闭减压阀。

5. 保持稳定：在达到设定压力后，弹簧会保持一定的张力，与流体压力相平衡。

当压力下降到设定阀芯打开的压力时，阀芯再次打开，流体流出，以稳定压力。

通过调节和更换弹簧的强度，可以改变减压阀的设定压力。

这种减压阀常用于各种水系统和气体系统中，以保证系统的稳定运行。

阀门中、英文对照表

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valve (=air relief valve) 排气阀; 放空阀air reversing valve空气换向阀air shut-off valve空气关闭阀air signal reducing valve空气信号减压阀air slide valve空气分配阀air starting (control) valve空气起动(控制)阀air straining check valve空气滤尘止回阀air vent valve气动调压阀, 排气阀air-actuated direction valve气动控制换向阀air-pressor valve空气压缩机阀门air-operated valve气动阀air-operated reversing valve气动换向阀air-vacuum change-over valve空真转换阀air-vacuum proportional valve空真比例阀air-vacuum two way valve空真二位阀alarm valve报警阀Allan valve阿伦滑阀altitude valve【航空】高度阀(航空发动机汽化器的可调整阀) ammonia valve【工】氨阀angle valve角阀angle back-pressure valve背压角阀angle globe valve折角球形阀angle stop valve弯形止阀, 折角止阀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antisurge valve【航空】防喘振活门application valve作用阀, 控制阀application pilot valve作用导阀ashpan blower valve灰盘吹风阀Askania valve射流管阀atmos valve (=atmospheric valve)大气阀, 空气阀; 放空阀auto tyre valve汽车胎的汽门autocontrol valve自动控制阀automatic valve自动阀automatic air valve自动空气阀automatic brake valve自动制动阀automatic control valve自动控制阀automatic cutout valve自动切断阀门automatic delivery control valve 自动输送控制阀automatic drain valve自动排水阀automatic expansion valve(定压式)自动膨胀阀automatic gas sampling valve自动气体进样阀automatic reducing valve自动减压阀(高速制动机)automatic regulating valve自动调节阀automatic spring loaded valve自动弹簧阀automatic supplementary air valve 自动补充(空)气阀automatic unloading valve自动卸载阀automatic water level valve自动水准阀automatically operated valve自动操作阀automatic-control servo valve自动控制伺服阀auxiliary valve辅助阀(暖汽调整阀用)auxiliary changeover valve辅助切换阀back valve回动阀, 止回阀, 逆止阀, 单向阀backflush valve反冲阀backlash valve无游隙阀门back-pressure valve止回阀back-up valve列车后端制动阀balance valve平衡阀, 均压阀balance pressure reducing valve 平衡减压阀balance slide valve平衡滑阀balanced distribution valve平衡配气阀balanced safety valve平衡式安全阀(可变动背压)ball valve球阀, 弹子阀ball check valve止回球阀, 球形节流阀ball float valve浮子阀, 浮球阀ball non-return valve球形止回阀ball relief valve球形安全阀ball safety valve球形安全阀ball stop valve球形止阀ball-and-lever valve杠杆球阀bell valve钟形阀, 装料钟bellows valve波纹管阀bellows-operated pilot valve膜盒控制导阀, 膜盒导引阀bevel seat valve斜座阀, 角阀biased valve承载阀bigrid valve双栅管blast furnace gas valve高炉煤气阀blast regulation valve通风调节阀bleed valve排出阀; 放泄阀bleeder valve放液阀, 放水阀block valve隔断阀blocking valve闭塞阀blow valve通风阀, 安全阀, 放空阀blow-down valve排气阀blower valve鼓风机阀blower drain valve鼓风机放泄阀blower regulation valve通风调节阀blow-off valve排出[泄]阀, 放泄[空]阀, 喷放阀blowout valve排气管, 排出阀boiler check valve锅炉止回阀boiler feed valve锅炉给水阀bonnet valve帽状阀bottom valve底阀bottom drain valve底部放泄阀brachial valve腕瓣brake valve制动阀brake application valve制动作用阀brake application magnet valve 电磁制动阀brake control valve制动控制阀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 pensating valve制动管补偿阀brake release magnet valve缓解电磁阀brake-field valve正栅管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通气阀, 呼吸阀breathing valve呼吸瓣breathing type safety valve呼吸式安全阀(罐车)bright emitter valve白炽灯丝电子管, 钨丝电子管brine retaining valve盐水箱保持阀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液下控制阀butterfly valve蝶形阀butterfly control valve蝶形控制阀butterfly throttle valve蝶形节流阀by-pass valve旁通阀, 辅助阀, 回流阀by-path valve旁通阀, 辅助阀, 回流阀cab turret valve蒸汽塔总汽门caboose valve守车阀cage type valve笼形阀cam-operated valve凸轮控制阀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cardiac valve【解】贲门瓣cartridge inserted valve筒式插装式阀, 插装阀cement valve【机】水泥止回阀center valve中心阀centre bypass valve中间位置旁通的换向阀, M型机能换向阀centre spool valve中心柱形阀centrifugal saw plate valve离心机的圆盘保险(溢流)阀centrifugal type injection valve 离心式喷射阀change valve换向阀, 三通阀changeover valve活页阀旋转阀, 转换阀多向阀charge valve充气阀, 加载阀, 加液阀charging valve充气阀, 加载阀, 加液阀charging check valve充气止回阀check valve单向阀, 止回阀, 防逆阀检验阀chimney valve烟道阀choke valve阻风门choker checkvalve阻气单向阀cindervalve卸灰阀Cineston controller brake valve 钦式控制制动联合阀 (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closed center valve中间位置封闭的阀(方向阀); 闭中心阀closed crossover valve正遮盖的换向阀closed exhaust valve密闭排气阀closed-type fuel valve密闭形燃油阀closing valve隔离阀, 节制阀, 隔断阀, 停汽阀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 valve柱阀column shut-off valve柱关闭阀column switching valve柱转换阀bination valve组合阀bination sliding and rotary spool valve 又移动又旋转的圆柱滑阀bined inlet-outlet valve进出组合阀bined reheat (stop and intercept) valve 再热联合汽门, 中压联合汽门bined strainer and check valve混合滤尘止回阀mon slide valve普通滑阀pensated flow control valve带压力补偿的流量控制阀调速阀pensated relief valve平衡式溢流阀pensating valve补偿阀pensating air valve补充空气阀, 补偿气阀, 平衡气阀pensation valve平衡阀, 补偿阀pression valve(减振器的)压缩行程阀pression release valve减压阀pressor valve压气机气门concentric valve同心阀condensate valve凝结水阀condenser valve凝汽阀condenser level control valve凝汽器水位调节阀condenser relief valve凝气器安全阀conductor's valve车长阀, 紧急制动阀cone valve锥形阀cone-way valve单向阀conical valve锥形阀conical seat valve锥形座阀constant pressure valve恒压阀constant pressure expansion valve 恒压膨胀活门, 恒压膨胀阀control valve控制阀, 调节阀控制管, 调节管control air valve控制空气阀control air type reducing valve 控制空气型减压阀controllable check valve可控单向[止回检验]阀controller pilot valve控制器管制阀conversion valve转换阀转向阀convex head valve凸形气门头cooled type valve冷却式真空管cooling fan electro-pneumatic valve 冷却风扇电空阀coplanar-grid valve共面栅极管(具有两个控制栅的四极管) copying valve(仿形装置的) 仿形阀corner valve角阀coronary valve【解】冠状瓣counterbalance valve背压阀,反平衡阀coupling valve联结阀coupled valve联结阀crab-pot valve捕蟹器式阀crack valve瓣阀cranked tire valve轮胎气嘴cross valve转换阀, 三通阀cross feed valve双向进给阀crossover valve交换阀, 转换阀crossover gasoline valve重叠的汽油阀crystal valve晶体管cup valve杯形阀, 钟形阀cured-in valve硫化在内胎里的气嘴[孔]current regulating valve电流调节阀cushion valve缓冲阀, 弹性阀, 减震阀cushioned channel valve气垫槽阀cut slide valve膨胀滑阀cut-in valve接入阀cut-off valve截止阀, 逆止阀cut-off slide valve断流滑阀cut-out magnetic valve截断电磁阀cycle tube valve循环管阀cycling valve循环阀(安全制动)cycling solenoid valve周期(工作的)电磁阀cylinder valve气缸阀cylinder bypass valve汽缸旁通阀cylinder cock valve汽缸排水操纵阀cylinder drain valve汽缸自动排水阀cylinder relief valve汽缸安全阀cylinder test valve汽缸(积水)试验阀cylindrical valve柱形阀cylindrically balanced valve 柱形平衡阀damping valve阻尼阀;阻尼管dark-tint valve深色彩色电视管dead-weight safety valve静载荷保安阀deck valve台阀depression check valve卸压单向阀deflation valve放气阀deflection valve射束偏转管delivery valve导出阀; 排气阀; 出油阀delivery check valve送油节止阀density control valve调浓阀; 浓度控制阀deriming valve解冻阀detecting valve检波管detector valve检波管diaphragm valve膜板阀, 隔膜阀; 针阀, 给水调整阀diaphragm control valve膜片控制阀diaphragm cut-off valve膜板截断阀differential valve差动阀differential pressure fuel valve压差油阀differential pressure regulating valve 差压调节阀differential relay valve差动中继阀differential sliding valve差动滑阀diffuser valve扩散阀diffusing type steam valve扩压式汽阀direct admission valve直接进风阀direct pressure control valve 直动式压力控制阀direct-acting valve直动阀direct-acting control valve 直接作用控制阀direct-acting solenoid valve 直接动作螺管阀direct-mounted valve管式连接阀direction(al) control valve 方向控制阀director valve主导活门disc valve片状阀discharge valve排出阀;卸料阀disconnecting valve断流阀, 断开阀, 截止阀disc-type reducing valve盘式减压阀diskvalve盘形阀distributing valve分配阀distributing slide valve分配滑阀distribution valve分配阀diverter valve偏向型元件分流阀dividing valve分流阀dividing control valve分配控制阀dorsal valve【解】背瓣double valves双阀double branch stop valve双向止流阀double check valve双止回阀, 双单向阀double damper valve双调节阀, 双减振阀double gate valve双闸阀double ported valve双口阀double pressure feed valve双压进给阀double return valve双止回阀, 双回流阀double safety valve双安全阀double seat balanced valve双座平衡阀double seated main stop valve 双座式主汽门double sleeve valve双套阀double slide valve双动滑阀double-anode valve双屏极电子管double-beat (drop) valve双座阀, 双支承提升阀, 平衡阀double-beat poppet valve双层提升阀double-face valve双面阀double-faced slide gate valve 两面滑门阀double-grid valve双栅管double-heading valve重联阀double-piston valve双活塞阀double-ported slide valve双动滑阀double-purpose valve【电子】双作用管double-ring valve双环阀double-triode valve双三极管drain valve排水阀;泄水阀draw-off valve排水阀;泄水阀drip valve排水阀;泄水阀driver's automatic brake valve 司机自动制动阀driver's vacuum brake valve司机真空制动阀drop valve落阀dropping valve降压阀, 减压阀drum valve鼓形阀dual ball check valve双球止逆阀dual-gravity valve【化工】双比重阀dump valve倾泄阀(安全阀)Duner flush valve达式水阀duplex check valve双止回阀duplex release valve复式缓解阀dynamic valve动力阀dynamic brake blending valve 动力制动混合阀eccentric valve偏心阀effluent sample valve试样流出阀Eidophor light valve艾多福光阀(电视投影机)electric valve整流管electric control valve电动调节阀electric pneumatic valve电空阀electrically operated valve电动阀electrochemical valve电解阀electrohydraulic valve电-液阀electromagnetic valve电磁阀electromagnetic gas valve电磁气阀electromagnetic light valve电磁(控制)光阀electrometer valve静电计电子管electron valve电子管electronic valve电子管electrooptic light valve电光光阀electropneumatic valve电动气动阀, 电磁气阀electropneumatic carretarder valve 车辆减速器的电空阀, 车辆缓行器的电空阀electropneumatic distributing valve 电动气动分配阀electropneumatic signal valve信号机电动气动阀electro-pneumatic switch valve转辙机电动气动阀electropneumatic train stop valve列车自动停车电动气动阀emergency valve安全阀紧急阀emergency application valve紧急作用阀emergency brake valve紧急制动阀, 车长阀emergency breakaway valve紧急断气阀emergency closing valve应急阀emergency pressure increasing valve 紧急增压阀emergency pressure reducing valve紧急减压阀emergency relay valve紧急继动阀emergency stop valve危急遮断阀, 紧急止流阀, 主汽门emergency trip valve危急遮断阀, 紧急止流阀, 主汽门emergency trip magnet valve紧急脱钩电磁阀emergency vent valve紧急放风阀empty and load valve空重车转换阀empty wagon safety valve空车安全阀emptying valve泄空阀, 排油阀end valve尾阀end train-pipe valve暖气管端阀engine valve发动机阀, 发动机[汽缸]气门engine brake valve机车制动阀engine partment drain valve(发动)机舱放泄阀engine stop valve停车阀engine thermostat housing drain valve发动机恒温器壳放泄阀engineer's brake valve司机制动阀equalizing valve平衡阀, 均匀阀, 减压阀equalizing discharge valve 均衡放风阀equalizing graduating valve 均衡递动阀equalizing piston valve均衡鞲鞴阀equalizing slide valve均衡滑阀equilibrated valve预启阀, 压力平衡阀equilibrium valve平衡阀equilibrium slide valve平衡滑阀, 放泄滑阀equivalent valve等效电子管escape valve排气阀, 安全阀eustachian valve【解】腔静脉瓣, 欧氏瓣excess flow valve流量限制阀excess pressure valve过压阀exhalation valve吸气阀exhaust valve排气阀, 排气门exhaust by-pass valve排气旁通阀exhaust manifold heat valve 排气歧管加热阀exhaust steam valve排汽阀exhauster regulating valve 真空泵调节阀expansion valve膨胀阀; 安全阀expansion valve with pilot valve 导向式自动膨胀阀expansion relief valve膨胀安全阀explosion relief valve防爆安全阀, 安全阀explosive valve爆发活门extra-air valve辅助气阀(附加空气阀)extraction valve抽汽阀extraction check valve抽汽逆止阀extraction control valve抽气调节阀extraction regulating valve抽气调节阀extraction stop valve抽汽截止阀face valve座阀fast valve高速阀, 快关阀feather valve放气阀, 卸载阀, 滑阀feed valve进给阀, 喂阀; 给气阀; 进水阀feed check valve给水止回阀feed stop valve进给安全阀feed-control valve进给控制阀feed-regulating valve进给调节阀, 给水调整阀fermentation valve发酵阀field weakening valve削弱磁场阀field-strengthening valve磁场加强阀filling valve进油阀filling limit valve充量限制阀finger valve(压缩机)单槽阀fire valve灭火阀, 消防阀first amplifier valve第一级放大管fixed differential reducing valve定差减压阀flange type everlasting blow-off valve凸缘式连续放泄阀flanged brass valve凸缘铜阀flap valve片状阀;瓣阀flapper valve(喷嘴)挡板阀, 舌形阀flat valve平面座阀, 配流阀flat seated valve平座阀flat slide valve平滑阀flat-operated relief valve浮筒操纵安全阀flexible tube valve挠性管阀float valve浮阀, 回压阀float control(led) valve (=float controller valve) 浮子(控制)阀, 液面调节阀float needle valve浮针阀float-operated relief valve浮球控制安全阀float-switch controlled rotary-spool valve浮动开关控制的旋转滑阀flood(ing) valveflop valve瓣阀flow valve流量开关flow diversion valve液流转向阀flow metering valve流量控制阀flow regulating valve节流阀, 减压阀flow-control valve流量控制阀fluid pressure reducing valve 液压降低阀fluid-control(led) valve流体控制阀, 液力控制阀flushing valve冲洗阀flush-out valve冲出阀flutter valve翼形阀follower valve随动阀follow-up valve随动阀foot valve脚踩阀;底阀forcing valve增压阀four-electrode valve四极管four way plug valve四通塞阀four-way valve四通阀frame output valve帧信号输出管free discharge valve自由泄流阀free flow valvefree spool valve带浮动阀芯的滑阀frost valve防冻阀fuel valve燃油阀fuel admission valve燃料进入阀fuel control valve燃料控制阀fuel injection valve燃油喷射阀fuel outlet valve放油阀fuel-tank selector valve燃油箱分离阀ga(u)ge cock valve水位旋塞阀gasvalve排气阀gas admittancevalve进气阀gas and gasoline threeway valve 煤气与汽油三通阀gas bleed valve泄气阀gas charging valve充气阀(蓄能器)gas check valve闭气阀gas control valve气体调节阀gas escape valve煤气放气阀gas inlet valve进气阀gas linking valve燃气连结阀gas oil solenoid valve气体油料螺管阀gas outlet valvegas precharge valve充气阀gas sampling valve气体进样阀gas-engine inlet valve煤气机进气阀gas-filled valve充气管gas-filling valve充气阀gasoline valve汽油门gas-tank valve汽油箱汽门gate valve闸式阀, 闸门阀gate gurgle valve泄油阀gate turn valve旋转炉门genital valve生殖瓣gland sealing steam control valve 汽封蒸汽调节阀glass valves玻璃阀globe valve球心阀stop valve球心阀globe body valve球形阀globe stop valve球形截流阀governing valve调速阀, 调节阀governor valve调速阀, 调节阀governor magnet valve调速器磁铁阀governor slide valve调节器滑阀governor solenoid valve调速器螺管阀graduating valve调节阀;节制阀; 阶段制动阀greaseless valve无脂密封阀grid valve栅型阀gridironvalve格子阀grid-type extraction valve栅型抽汽阀groove control valve槽式节流阀group valve组合阀, 阀组grout valve灌浆阀guard's valve车长阀, 紧急制动阀, 速动闸门, 事故阀, 停车开关guard's van valve守车制动阀guide(ing) valve导向阀half ball valve半球形阀hand air valve手控气阀hand brake valve手制动阀hand by-pass valve手动旁通阀hand oiler valve注油器手阀hand-operated brake valve手操纵制动阀hand-operated direction valve手动换向阀hanging valve吊阀hard valve高真空电子管, 硬性电子管head valve头阀顶置阀heat control valve热控制阀, 加热控制阀heat regulating valve热调整阀heart valve【解】心(脏)瓣膜heater shut-off valve(火花塞)加热器断流阀height control valve高度控制阀high power valve大功率管high pressure float valve高压浮球阀high side float valve高压浮球阀high-pressure expansion valve 高压膨胀阀high-pressure safety valve高压安全阀[瓣]high-pressure slide valve高压滑阀high-speed needle valve高速针阀high-speed reducing valve高速减压阀high-vacuum valve高真空整流管hinged valve瓣阀hoist cylinder oil relief valve 起重机油缸油压安全阀hoist pump check valve起重机油泵止回阀hoist pump control valve起重机油泵操纵阀holding valve闭锁阀, 止回阀, 单向阀hollow-jet needle valve空注针形阀homogenizing valve均质机高压阀horizontal valve水平阀hose valve水带阀门hot water regulating valve水温调整阀hot water stop valve热水止阀hot-blast valve热风阀hot-cathode gas filled valve闸流管hot-water check valve热水止回阀hull valve舷侧阀, 通海阀hydrant valve消防龙头阀hydraulic valve液压阀, 调水活门hydraulic back pressure valve水保险器(焊接)hydraulic control valve液压控制阀hydraulic relay valve液压继动阀hydraulic sequence valve液压顺序阀hydraulic speed setting valve液力定速阀hydraulic-brake operating valve液力制动操纵阀hydraulically balanced valve液压[液力]平衡阀hydraulically operated direction control valve 液压操纵的方向控制阀, 液动换向阀hydrodynamic brake valve液力制动阀hydrostatic valve静水压力阀; (鱼雷)水压仪;定深仪idling control valve空转控制阀ileal valve回肠瓣后肠缢(昆虫CQ螺纹球阀 CQ Thread Ball ValvesL形三通式 L-pattern three wayT形三通式 T-pattern three way安全阀 Safety valve暗杆闸阀 Inside screw nonrising stem type gate valve 百叶窗; 闸板 shutter百叶窗式挡板 louver damper摆阀式活塞泵 swing gate piston pump保温式 Steam jacket type报警阀 alarm valve报警阀; 信号阀; 脉冲阀 sentinel valve背压调节阀 back pressure regulating valve背压率 Rate of back pressure本体阀杆密封 body stem seal波纹管阀 Bellows valves波纹管密封阀 bellow sealed valve波纹管密封式 Bellows seal type波纹管平衡式安全阀 Bellows seal balance safety valve 波纹管式减压阀 Bellows reducing valve波纹管式减压阀 Bellows weal reducing valve薄膜 thin film薄膜; 隔膜 diaphragm薄膜式减压阀 Diaphragm reducing valve薄型闸阀 Thin Gate Valves不封闭式 Unseal type槽车球阀 Tank Lorry Ball Valves颤振 Flutter常闭式 Normally closed type常开式 Normally open type超低温阀门 Cryogenic valve超高压阀门 Super high pressure valve超过压力 Overpressure of a safety valve衬胶隔膜阀 rubber lined diaphragm衬胶截止阀 rubber lined globe valve垂直板式蝶阀 Vertical disc type butterfly valve磁耦合截止阀 Magnetic Co-operate Globe Valves带补充载荷的安全阀 Supplementary loaded safety valve 带辅助装置的安全阀 Assisted safety valve单阀碟双面平行密封闸阀 parallel single disk gate valve 单口排气阀 Single Opening Exhaust Valves单向阀 Non-return Valve单闸板 Single gate disc单闸板平板闸阀 Single Disc Flat Gate Valves弹簧薄膜式减压阀 Spring diaphragm reducing valve弹簧式安全阀 Direct spring loaded safety valve弹簧座 Spring plate弹性闸板 Flexible gate disc当量计算排量 Equivalent calculated capacity挡板 damper导阀 Pilot valve导向套 Valve guide disc guide低温阀门 Sub-zero valve低压阀门 Low pressure valve底阀 bottom valve底阀 Foot valve电磁动装置 Eletro magnetic actuator电磁阀 magnetic valve电磁阀 solenoid valve电磁－液动装置 Eletro magnetichydraulic actuator电动阀 mortor operated valve电动阀 motorized valve电动截止阀 Electric Actuated Stop Valves电动平行式双闸板闸板 Electric Double Disk Parallel Gate Valves 电动楔式闸阀 Electric Actuated Wedge Gate Valves电动装置 Electric actuator电－液动装置 Eletro hydraulic actuator电液伺服阀 electro-hydraulic servovalve调节弹簧 Regulation spring调节阀 adjusting valve调节阀 control valve调节阀 regulating valve调节螺套 Adjusting bolt Adjusting screw调节圈 Adjusting ring蝶板 Disc蝶阀；瓣阀 butterfly valve蝶阀；瓣阀；拍门；铰链阀 flap valve蝶式缓冲止回阀 Butterfly Type Non-slam Check蝶式止回阀 Butterfly swing check valve定比减压阀 Proprutioning pressure reducing valve定差减压阀 Fixed differential reducing valve定值减压阀 Fixed pressure reducing valve动态特性 Dynamic characteristics对焊连接阀 Buttwelding valves对夹蝶板阀 Wafer plate valves对夹式衬胶蝶阀 Wafer Type Butterfly Valves with Rubber Itning 对夹式阀门 Clamp valves对夹式止回阀 Wafer Check Valves额定排量 Certified capacity额定排量系数 Derated coefficient of discharge二通阀 Two-way valves阀 valve阀板 valve deck plate阀板 valve plate阀板式活塞泵 valve deck plate type piston pump阀板式活塞泵 valve plate type piston pump阀瓣 Disc阀操纵杆 valve operating rod阀痤槽 valve seat recess阀挡 valve grid阀挡 valve positioner阀挡 valve stop阀导杆 valve tail rod阀导向器 valve guide阀盖 bonnet阀盖衬套 bonnet bush阀盖垫片 bonnet gasket阀杆 stem阀杆 valve rod阀杆 valve spindle阀杆端部尺寸 Dimmension of valve stem end阀杆环 stem ring阀杆螺母 Yoke bushing Yoke nut阀杆填料 stem packing阀杆头部尺寸 Dimension of valve stem head阀簧 valve spring阀簧压板 valve spring plate阀控水锤泵 valve-controlled hydraulic ram阀框架 valve yoke阀门 Valve阀门传动装置 valve bandle set阀门和管件 Valves and Fittings阀门盘根 valve packing阀门手柄 valve handle阀盘 disc阀盘 valve disc阀片 Disc阀球 valve ball阀驱动臂 valve driving arm阀驱动臂 valve motion arm阀式活塞 valve type piston阀式活塞 valve type bucket阀室式活塞泵 valve box type piston pump阀室式活塞泵（美） valve pot type piston pump阀抬起装置 valve lifting device阀体 body阀体 valve body阀箱 valve box阀箱 valve cage阀箱 valve chest阀箱；阀限位器 valve guard阀箱盖 cover for valve box阀箱盖 valve box cover阀箱式活塞泵（美） turret type piston pump阀形活塞泵 valve type piston pump阀座 Seat ring阀座 valve carrier阀座 valve seat(body seat)阀座；阀盘 valve seat阀座环 seat ring阀座密封嵌条 sealing strip for valve seat法兰 flange法兰堵头 blind flange法兰端 flange end法兰接头 flange joint法兰连接紧固件（双头螺栓和螺帽） flange bolting法兰密封面，法兰面 flange facing法兰面加工 flange facing finish法兰球阀 Flange Ball Valves翻板阀 Flap反冲盘 Disc holder反向作用式减压阀 Reverse acting reducing valve反向作用式减压阀 Reverse acting reducing valve放空阀 emptying valve放气阀 air vent valve;vent valve放气阀；排气阀 air evacuation valve放泄阀 escape valve分置阀室式活塞泵 separate valve box type piston pump分置阀室式活塞泵（美） side pot type piston pump封闭式 Seal type浮动式球阀 Float ball valve浮球 Ball float浮球阀 Float Valve浮球式疏水阀 Ball float steam trap浮球式疏水阀 Free Float Type Steam Trap浮桶 Bucket float浮桶式疏水阀 Open bucket steam trap辅助（副）阀 Auxiliary valves负荷率 Rate of load condensate附加背压力 Superimposed back pressure复位弹簧 Returnning spring杠杆式 Lever type杠杆式安全阀 Lever and weight loaded safety valve杠杆式减压阀 Lever reducing valve高温阀门 High temperature valve高压阀门 High pressure valve格兰密封 gland隔离阀 isolating valve隔膜 Diaphragm隔膜阀 diaphragm valve隔膜式控制阀 diaphragm operated trol valve工作背压 Operating back pressure工作温度 Operating temperature工作温度 Working temperature工作压差 Operting differential pressure工作压力 Operating pressure工作压力 Working pressure公称通径 Nominal diameter公称压力 Nominal pressure固定式球阀 Fixed ball valve关闭压力 Lockup pressure关阀过冷度 Subcooled temperature of close valve关阀温度 Closing valve temperature管道安全阀 Piping Safety Valves过冷度 Subcoold temperature过流阀(或节流阀) Restrictor Valves喉径 Throat diameter滑阀 slide valve滑阀式回转活塞泵 rotary piston pump with slide gate滑阀型转子泵 eccentric rotary pump with sliding sleeve 环形阀 annular valve环形阀 double beat valve换向阀 selector valve换向阀 shuttle valve回转滑阀活塞泵 piston pump with rotary gate回座压力 Re-seating pressure of a safety valve活塞昵减压阀 Piston reducing valve活塞式阀 piston valve活塞式阀；柱塞式阀 plunger valve活塞式减压阀 Piston reducing valve减速阀 Deceleration valves减压比 Pressure reducing ratio减压阀 pressure reducing valve浆液阀 Parallel Slide Valves角阀 Angle Valve角阀 isolation valve angle configuration角式 Angie type角式节流阀 Angle Throttle Valves角式截止阀 Angle Stop valves铰链阀；片状阀 flapper valve节流阀 throttle valve节流阀 choke valve节流阀；节流 throttle结构长度 Face-to-face dimension ;End-to-end dimension; Face-to-centre dimension 结构形式 Type of construction截止阀 Globe valve截止阀 Shut-off Valve截止阀；关断阀 shut-off valve截止式隔膜阀 Globe diaphragm valve紧急切断阀 Emergeny Cut-off Valves进气阀 air intake valve进水阀；进口阀门 inlet valve静态特性 Static characteristics静态特性偏差 Static characteristics derivation开阀过冷度 Subcooled temperature of open valve开阀温度 Opening valve temperature开启高度 Lift壳体试验 Shell test壳体试验压力 Seal test pressure空气阀门 Air valves快速排污阀 Quick Draining Valves类型 Type冷凝结水排量 Cold condensate capacity冷态试验差压力 Cold differential test pressure理论排量 Theoretical flowing capacity连接槽尺寸 Dimension of connecting channel连接尺寸 Conncetion cimension连接形式 Type of connection帘面积 Curtain area流道面积 Flow area流道直径 Flow diameter流量孔板 flow orifice plate流量控制阀 flow control valve流量特性 Flow characteristics流量特性偏差 Flow characteristics derivation漏汽量 Steam loss脉冲式疏水阀 Impulse steam trap密封面 Sealing face密封试验 Seal test密封试验压力 Seal test pressure明杆平行式双闸板闸板 Double Disk Parallel Gate Valves明杆闸阀 Outside screw stem rising through handwheel type gate valve膜片 Diaphragm内压自封 Pressure seat逆止阀；止回阀 check valve逆止阀；止回阀 non-return valve逆止阀;止回阀;单向阀 check valve排放背压力 Brilt-up back pressure排放压力 Relieving pressure排灰阀 Ash valves排量系数 Coefficient of discharge排气阀 air release valve排气阀 Exhaust valves排气阀 Vent Valve排水阀 Drainage valves排水温度 Temperature at discharging condensate排污阀 blowdown valve排污箱(阀) Waste Valves排渣闸阀 Scum Gate Valves盘阀 moushroom valve盘状阀 plate valve旁路阀 by pass valve配汽活塞阀缸套 piston valve line喷射阀 injection valve喷射阀 sprayer valve喷水阀 spray water valve频跳 Chatter平衡阀 Balance valves平衡式 Balance type平行式闸阀 Parallel gate valve Parallel slide valve 启闭件 Disc启闭压差 Blowdown of a safety valve起始升程 mencement of lift气动装置 Pneumatic actuator气阀摇臂 valve arm气－液动装置 Pneumatic-hydraulic actuator潜水电泵(排污泵) Submerged Motor Pumps切断阀;截止阀 block valve;shut-off valve;stop valve 切断式止回阀 stop check valve切换阀;多向阀 changeover valve球、球芯 Ball球阀 Ball valve球阀 globe valve球体 Ball全启式安全阀 Fall lift safety valve热凝结水排量 Hot condensate capacity入口隔离门 suction isolating valve塞子 Plug三通阀 three-way isolating valve三通阀 three-way valve三通式 Three way type上密封 Back seat上密封试验 Back seal test渗漏量 Leckage升降立式止回阀 Vertical lift check valve升降式止回阀 Lift check valve适用介质 Suitable medium适用温度 Suitable temperature手摇油泵(阀) Manual Oil Pumps Valves疏水阀 drain valve双金属片式疏水阀 Bimetal elements steam trap双口排气球 Double Opening Exhaust Valves双联弹簧式安全阀 Duplex safety valve双闸板 Double gate disc双闸板平板闸阀 Double Disc Flat Gate Valves水封闸阀 Water Seal Gate Valves水力喷射器(真空泵) Vacuum Pumps伺服阀 servovalve填料 Packing填料垫 Packing seat填料函 Stuffing填料式旋塞阀 Gland packing plug valve填料箱 Stuffing box填料压盖 Gland通气阀 breather valve。