一、阀门种类(type of valve)

蝶阀: butterfly valve                                               

球阀: ball valve                                              

闸阀: gate valve

止回阀: check valve                                             

截止阀: stop /globe valve

节流阀: throttle valve

通用阀: general valve

隔膜阀: diaphragm valve

旋塞阀: cock /plug valve

减压阀: pressure reducing valve

安全阀：safety valve

蒸气疏水阀:  automatic steam trap

超高压阀: super high pressure valve

超低温阀: cryogenic valve

明杆闸阀: outside screw stem rising through hand wheel type gate valve

暗杆闸阀: inside screw nonrising stem type gate valve

楔式闸阀：wedge gate valve

平行式闸阀：parallel gate valve

垂直板式蝶阀：vertical disc type butterfly valve

斜板式蝶阀：inclined disc type butterfly valve

桁架型法兰连接蝶阀：truss type flange connection butterfly valve

重锤式自动保压液控蝶阀：heavy hammer automatic pressure keeping hydraulic control butterfly valve

手柄中线法兰连接蝶阀：hand middle line flange connection butterfly valve

对夹蝶阀：dual clamp butterfly valve

桁架板式伸缩蝶阀：truss type stretchy butterfly valve

双向密封蝶阀：two-way sealing butterfly valve

通风蝶阀：ventilating butterfly valve

升降式止回阀：lift check valve

升降立式止回阀：vertical lift check valve

旋启式止回阀：swing check valve

旋启多瓣式止回阀：multi-disc swing check valve

蝶式微阻缓闭止回阀：butterfly check valve with little hinder and slow closing

蓄能罐式液控缓闭止回阀：energy storage pot hydraulic control slow closing check valve

DNF排泥阀：DNF mud valve

CM型铸铁防潮门：CM type casting iron damp proof gate

铸铁（镶铜）圆闸门：cast iron(mounting copper) circle sluice gate

自动补偿双向硬密封偏心球阀：automatic compensation two-way hare sealing eccentric ball valve

复合式排气阀：compounding type air bleeding valve

屋脊式隔膜阀：weir diaphragm valve

截止式隔膜阀：globe diaphragm valve

闸板式隔膜阀：wedge diaphragm valve

填料式旋塞阀：gland packing plug valve

油封式旋塞阀：lubricated plug valve

底阀：foot valve

旋启双瓣式底阀：double disc swing foot valve

直接载荷式安全阀：direct loaded safety valve

带辅助装置的安全阀：assisted safety valve

带补充载荷的安全阀：supplementary loaded safety valve

先导式安全阀：pilot operated safety valve

弹簧式安全阀：direct spring loaded safety valve

全启式安全阀：fall lift safety valve

微启式安全阀：low lift safety valve

波纹管平衡安全阀：bellows seal balance safety valve

双联弹簧式安全阀：duplex safety valve

薄膜式减压阀：diaphragm reducing valve

弹簧薄膜式减压阀：spring diaphragm reducing valve

活塞式减压阀：piston reducing valve

波纹管式减压阀：bellows seal reducing valve

杠杆式减压阀：lever reducing valve

定值减压阀：fixed pressure reducing valve

定差减压阀：fixed differential reducing valve

定比减压阀：proportioning pressure reducing valve

直接作用式关压阀：direct-acting reducing valve

先导式减压阀：pilot-operated reducing valve

反向作用式减压阀：reverse acting reducing valve

卸荷式减压阀：balanced reducing valve

导阀：pilot valve

主阀：main valve

浮球式疏水阀：ball float steam trap

浮桶式疏水阀：open bucket steam trap

双金属片式疏水阀：bimetal elements steam trap

脉冲式疏水阀：impulse steam trap

圆盘式疏水阀：circular disc type steam trap

眼睛阀：goggle valve

冷/热风阀:cold/hot valve

燃气控制阀:combustion control valve

气体净化阀:gas purge valve

废气阀:waste gas valve

废气阻尼器:waste gas damper

调压阀:pressure regulating valve