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1、腐蚀裕量 Corrosion allowance 无缝不锈钢管（Seamless stainless steel tube）介质密度 Medium density 终端 terminal介质特性 Medium property受压元件 pressure parts总容积 total volume净重 Net weight安全阀接口 relief valve connectorneedle valve 针阀 nipple 对丝管件 Fitting弯头 elbow异径弯头 reducing elbow三通 tee异径三通 reducing tee四通 cross等径四通 straight cros
2、s异径四通 reducing cross活接头 union 管帽 cap (C)堵头 plug球阀 ball valve爆破片 rupture disk法兰连接（接头） flanged joint对焊连接（接头） butt welded joint螺栓 boltU 形螺栓 U-boltT 形螺栓 T-bolt螺母 nut六角螺母 hexagonal nut垫圈 washer平垫圈 plain washer球面垫圈 spherical washer弹簧垫圈 spring washer方垫圈 square washer斜垫圈 slant washer铆钉 rivet管螺纹 pipe thread锥
3、管螺纹 taper pipe thread直管螺纹 straight pipe thread螺距 pitch of thread型钢 shaped steel, section steel, swage角钢 angle steel槽钢 channel公称直径 nominal diameter (DN); nominal (pipe) size公称压力 nominal pressure (PN)压力级，等级，类别 class (CL)低压 low pressure (L.P.)中压 medium pressure (M.P.)高压 high pressure (H.P.)大气压 atmosphe
4、re (ATM)真空 vacuum工作压力 operating pressure; working pressure设计压力 design pressure工作温度 operating temperature设计温度 design temperature环境温度 ambient temperature腐蚀裕量 corrosion allowance管道附件 piping attachment管道元件 piping element壁厚 wall thickness (WT)“ ”视图 X view “X”“ ”剖视 A-A section “A-A”连接图 hook up drawing接续图
5、continue on drawing (COD)接续线 match line (M.L.)比例 scale图例 legend符号 symbol管口表 list of nozzles方位 orientation管口方位 nozzle orientation水平安装 horizontal installation垂直安装 vertical installafion对称的 symmetric相反（的） ，对面（的） opposite顺时针方向 clock wise逆时针方向 counter clock wise流程图 flow diagram工艺流程图 process flow diagram (
6、PFD)管道及仪表流程图 piping and instrument flow diagram (PID)公用工程流程图 utility flow diagram (UFD)管线表 line list; line schedule设备表 equipment list (schedule)润滑油 lubricating oil密封油 sealing oil冷冻剂 refrigerant焊接形式 Type of Welding角焊 fillet welding间断焊 intermittent welding点焊 spot welding对焊 butt welding搭焊 lap welding塞焊
7、 plug welding槽焊 slot welding堆焊 build up welding垫板焊 backing weld坡口 grooveV 形坡口 V groove焊接缺陷 Defects of Welding焊接裂纹 weld crack根部裂纹 root crack微裂纹 micro crack错位 mismatch弧坑 pit; crater焊穿 burn through夹渣 slag inclusion咬边；咬肉 undercut焊瘤 overlap气孔 porosity, blow hole砂眼 blister针孔 pin hole严重飞溅 excessive spatter
8、未溶合 incomplete fusion; lack of fusion根部未焊透 incomplete penetration焊条 welding electrode (rod)焊丝 welding wire焊药（剂） flux试验 Test压力试验 pressure test水压试验 hydraulic test气压试验 pneumatic test气密试验 air tightness test泄漏试验 leak test卤气泄漏试验 halogen gas leak test盛水试验 full water test真空试验 vacuum test拉伸试验 tension test弯曲试
9、验 bending test冲击试验 impact test硬度试验 hardness test疲劳试验 fatigue test压扁试验 flattening test扩口试验 flaring test 腐蚀试验 corrosion test焊接工艺评定试验 welding procedure qualification test9 防腐、涂漆及腐蚀种类防腐漆 anti-corrosive paint; rush-proof paint涂漆 painting涂层；覆盖层 coating底漆 primary coat; bottom coat面漆 finishing coatconveyor
10、line 输送线transmission rack 输送架raffinate 残液assembly table 装配台water heater room 开水间parts warehouse 配件仓库dressing room 更衣室power transformer room 变压器舱；电力变压房；配电站Low-voltage and Air-compressor Machine Room 低压空压机房移动式压力容器 transportable pressure vessel固定式压力容器 stationary pressure vessel power supply 电源bolt hole 螺栓孔 precipitator 除尘器
