雅思分类词汇：流体设备-其它用途的阀

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　　1.6.3 其它用途的阀

　　安全泄气阀 safety valve

　　安全泄液阀 relief valve

　　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 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

　　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