安装施工设计英语名称中文英文缩写阀轭Yoke外螺纹阀杆及有阀轭Outside screw & yoke OS & Y阀杆Stem内螺纹阀杆Inside screw IS阀轭套Yoke sleeve阀杆环Stem ring阀座Valve seat Body seat阀座环、密封圈Seat ring整体阀座Integral seat堆焊阀座Deposited seat阀芯(包括密封圈、杆等)Trim阀盘Dise阀盘密封圈Dise seat阀体Body阀盖Bonnet阀盖衬套Bonnet bush螺纹阀帽Screw cap螺纹阀盖Screw bonnet螺栓连接的阀盖Bolted bonnet BB活接阀盖(帽)Union bonnet cap螺栓连接的阀帽Bolted cap BC焊接阀盖Welded bonnetWB本体阀杆密封Body stem seal石棉安全密封Asbestos emergency seal倒密封Back seal压力密封的阀盖Pressure seal bonnet动力操纵器Powered operator电动操纵器Electric motor operator气动操纵器Pneumatic operator液压操纵器Hydraulic operator阀门类1 of 43安装施工设计英语名称中文英文缩写快速操纵器(滑动阀杆)Quick-acting operator (sliding stem)正齿轮传动Spur gear operated伞齿轮传动Bevel gear operated扳手操作Wrench operated链轮Chain wheel手轮Hand wheel手柄Hand level (Handle)气缸(或液压缸)操纵的Cylinder operated链条操纵的Chain operated等径孔道Full bore, Full por