法兰面加工 facing finish
粗糙度 roughness
光滑的 smooth
齿形 serrated
均方根 root mean square (RMS)
算术平均粗糙高度 arithmetical average roughness height (AARH)
配对法兰 companion-flange
螺栓圆 bolt circle (B.C.)
1.5 垫片 Gasket (GSKT)
垫片的型式 type of gasket
平垫片 flat gasket
环形平垫片 flat ring gasket
平金属垫片 flat metal gasket
夹棉织物的橡胶 elastomer with cotton fabric insertion
夹石棉织物的橡胶 elastomer with asbestos fabric insertion
夹石棉织物及金属丝加强的橡胶 elastomer with asbestos fabric insertion and with wire reinforcement
无石墨压缩白石棉垫片 non graphited compressed white asbestos gasket
天然白橡胶垫片 natural white rubber gasket
压缩石棉垫片 compressed asbestos class gasket
浸聚四氟乙烯的石棉垫片 PTFE impregnated asbestos gasket
夹石棉的缠绕金属垫片 spiral-wound metal gasket with asbestos filler
内环 inner ring
外环，外定位环 outer ring
波纹金属垫片 corrugated metal gasket
波纹金属包嵌石棉垫片 corrugated metal gasket with asbestos inserted
双夹套波纹金属包石棉垫片 corrugated metal double jacketed asbestos filled gasket
双夹套垫片 double jacketed gasket
金属包石棉平垫片 flat metal jacketed asbestos filled gasket
整体金属齿形垫片 solid metal serrated gasket
槽形金属垫片 grooved metal gasket
环形连接金属垫片 ring joint metal gasket
八角环形垫片 octagonal ring gasket
椭圆环形垫片 oval ring gasket
透镜式垫片 lens gasket
非金属垫片 non-metallic gasket
1.6 阀门 Valve
1.6.1 阀门结构、零件
阀轭 yoke
外螺纹阀杆及阀轭 outside screw and yoke (OS & Y)
阀杆 stem
内螺纹 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、杆等内件） trim
阀盘 disc
阀盘密封圈 disc 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 bonnet (WB)
本体阀杆密封 body stem seal
石棉安全密封 asbestos emenen seal
