电动阀electricallyoperatedvalve,electric-motoroperatedvalve 气动阀pneumaticoperatedvalve 低温用阀cryogenicservicevalve 蒸汽疏水阀steamtrap 机械式疏水阎mechanicaltrap
浮桶式疏水阀openbuckettrap,opentopbuckettrap 浮球式疏水阀floattrap
倒吊桶式疏水阀invertedbuckettrap 自由浮球式疏水阀loosefloattrap 恒温式疏水阀thermostatictrap
金属膨胀式蒸汽疏水阀metalexpansionsteamtrap 液体膨胀式蒸汽疏水阀liquidexpansionsteamtrap 双金属膨胀式蒸汽疏水阀bimetallicexpansionsteamtrap 压力平衡式恒温疏水阀balancedpressurethermostatictrap 热动力式疏水阀thermodynamictrap 脉冲式蒸汽疏水阀impulsesteamtrap
放气阀（自动放气阀）airventvalve(automaticairventvalve)（疏水阀用）
平板式滑动闸阀slabtypeslidinggatevalve 盖阀flatvalve
换向阀divertingvalve,reversingvalve 热膨胀阀thermoexpansionvalve
自动关闭阀self-closinggatevalve 自动排液阀self-drainingvalve 管道盲板阀line-blindvalve
挤压阀squeezevalve（用于泥浆及粉尘等） 呼吸阀breathervalve 风门、挡板damper
减压阀pressurereducingvalve,reducingvalve 控制阀controlvalve
膜式控制阀diaphragmoperatedcontrolvalve 执行机构actuator
背压调节阀backpressureregulatingvalve 差压调节阀differentialpressureregulatingvalve 压力比例调节阀pressureratioregulatingvalve
1.6.4未指明结构（或阀型）的阀
切断阀blockvalve;shut-offvalve;stopvalve 调节阀regulatingvalve 快开阀quickopeningvalve 快闭阀quickclosingvalve 隔断阀isolatingvalve 三通阀threewayvalve
夹套阔jacketedvalve 非旋转式阀non-rotaryvalve 排污阀blowdownvalve 集液排放阀dripvalve 排液阀drainvalve 放空阀ventvalve 卸载阀unloadingvalve 排出阀dischargevalve 吸入阀suctionvalve 多通路阀multiportvalve 取样阀samplingvalve
手动阀hand-operatedvalve;manuallyoperatedvalve 锻造阀forgedvalve 铸造阀castvalve
（水）龙头bibb;bib;faucet 抽出液阀（小阀）bleedvalve 旁路阀by-passvalve 软管阀hosevalve 混合阀mixingvalve 破真空阀vacuumbreaker 冲洗阀flushvalve
第一道阀；根部阀primaryvalve
根部阀rootvalve 总管阀headervalve 事故切断阀emergencyvalve
1.7管道特殊件PipingSpecialty
1.7.1管道特殊件（组件）
粗滤器strainer 过滤器filter
临时粗滤器（锥型）temporarystrainer(conetype) y型粗滤器y-typestrainer T型粗滤器T-typestrainer 永久过滤器permanentfilter 丝网粗滤器gauzestrainer
洗眼器及淋浴器eyewasherandshower 视镜sightglass 阻火器flamearrester 喷嘴；喷头spraynozzle 取样冷却器samplecooler 消声器silencer 膨胀节expansionjoint
波纹膨胀节bellowexpansionjoint 单波singlebellow 双波doublebellow 多波multiplebellow
压力平衡式膨胀节pressurebalancedexpansion 带铰链膨胀节hingedexpansionjoint
轴向位移型膨胀节axialmovementtypeexpansionjoint 自均衡膨胀节（外加强环）self-equalizingexpansionjoint 带接杆膨胀节tiedexpansionjoint
万向型膨胀节universaltypeexpansionjoint 球形补偿器balltypeexpansionjoint
填函式补偿器sliptype(packedtype)expansionjoint 单向滑动填料函补偿器singleactionpackedslipjoint
1.7.2管道特殊元件PipingSpecialElement
软管接头hoseconnection(HC) 快速接头quickcoupling 金属软管metalhose 橡胶管rubberhose 挠性管flexibletube
鞍形补强板reinforcingsaddles
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