文档介绍：   
常用阀      
闸阀  Gate valve  
截止阀(球心阀)  Globe valve  
节流阀  Throttle valve       TRV
针型阀  Needle valve  
角阀(角式截止阀)  Angle valve  
Y 型阀(Y 型截止阀)  Y-valve (Y-body globe valve)  
球阀  Ball valve  
三通球阀  3-Way ball valve  
蝶阀  Butterfly valve  
柱塞阀  Piston type valve  
旋塞阀  Plug valve  
三通旋塞阀  3-Way cock valve  
旋塞  Cock  
隔膜阀  Diaphragm valve  
夹紧式胶管阀  pinch valve    
止回阀  Check valve
  
其它阀      
安全泄汽阀(安全阀)  Safety valve   SV
安全泄液阀(卸荷阀)  Relief valve  
安全泄压阀  Safety relief valve  
罐底排污阀  Flush-bottom tank valve  
波纹管密封阀  Bellow sealed valve  
电磁阀  Solenoid valve    
电动阀  Electrically operated valve  
气动阀  Pneumatic operated valve  
低温用阀  Cryogenic service valve  
蒸汽疏水阀  Steam trap   T
呼吸阀  Breather valve  
减压阀  Reducing valve  RV
  Control valve
  
不表明结构的阀       
切断阀  Block valve, Shut-off valve, Stop valve  
手动控制阀  Hand control valve  HCV
调节阀  Regulating valve  
快开阀  Quick opening valve  
快闭阀  Quick closing valve  
隔断阀  Isolating valve  
三通阀  3-Way valve  
夹套阀  Jacketed valve  
排污阀  Blowdown valve  
排液阀  Drain valve  
放空阀  Vent valve  VTV
卸载阀  Unloading valve  
排出阀  Discharge valve  
吸入阀  Suction valve  
多路阀  Multiport valve  
取样阀  Sampling valve  
手动阀  Hand operated valve, Manually operated valve  
旁路阀  By-pass valve  
冲洗阀  Flush valve  
根部阀  Root valve, Primary valve, Header valve  
底阀  Foot valve