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1、MANUALLY OPERATED VALVES By adding an actuator to the basic valve symbol ,the valve becomes a control valve . V-1V-2V-3V-4Gate valve闸阀Globe valve球形阀Check valve止回阀Ball valve球阀V-5Plug valve阻塞阀Hand controlvalve 手动控制阀V-7Butterfly valve or damper 蝶阀或节气闸V-8Stop check valve 断流止回阀Ram valve 冲击阀Blowdown valve
2、 吹扫阀Diaphragm valve薄膜阀Angle valve角阀Three way valve三通阀Four way valve四通阀Disc valve隔膜阀Needle valve针阀Slide valve滑阀Other valves Indicated proper abbreviation under valve, example 2-6-WB-134-J1B7-FHC-1 5UNIT NUMBER单元编号 LINE SIZE管线尺寸 SERVICE SYMBOL用途符号 LINE NUMBER管线编号 PIPING SERVICE SPECIFICATION管道用途描述 TYP
3、E OF INSULATION OR TRACING绝缘类型或保温 LINE INSULATION THICKNESS管道保温厚度INSULATION CODE保温代号FCC Full cold conservation完全保持冷却FHC Full heat conservation完全保持伴热PHC Partial heat conservation局部保持伴热PP Personnel protection个人防护NI No insulation无保温ST Steam traced and insulated蒸汽伴热ET Electric traced and insulated电伴热INS
4、TRUMENT NUMBERING PHILOSOPHY X-XX-XXXX Multiple instrument designator多种仪表指示Loop number/Intrument tag回路编号或仪表位号Section number/Intrument code区域编号或仪表代号Train number顺序编号PIPING SYMBOLS 管道符号silencer消音器filter过滤器Open funnel敞口漏斗Open drain 敞口排放DRClosed drain funnel 密闭排放漏斗E-1E-2slopeDownword slope 下斜 othersgePip
5、e specification limit管线规格界限Strainghtening vane 矫正器具Spectacle blind install donut in line管道上安装 的开位置肓板E-5E-4Pipe size reduction 管径尺寸缩小Spectacle blind install donut in line管道上安装 的关位置肓板Flame arrester 防火装置SSTE1XXXXHose connection 软管连接Temporary strainer 临时过滤器Basket strainer 篮式过滤器Y-type strainer Y型过滤器Expan
6、sion joint 膨胀接合处HHamer Blind 肓板Sample Connection 取样连接Steam Trap 蒸汽汽水阀Piping Engineered Item 管道工程单位Steam Desuperheater 蒸汽减温器GENERAL 概述Vortex breaker 涡流断路器Grade 平面Packed Section 整个区域Mesh-Type Mist Eliminator 网状除雾器Note Reference Symbol 注释参照符号Horizontial Vane-Type Mist Eliminator 水平叶片型除雾器LINE SYMBOLS 管道
7、符号Primary Process Line 主工艺管道Secondary Process Line 次工艺管道Jacketed Pipe 套管Existing OR Future Line 现有或将有的管道Flexible Host 柔性软管Underground Line 地下管道Instrument Pneumatic Line 仪表气源管线Instrument Capillary Tubing 仪表毛细管Hydraulic Signal 水压信号Electromagnetic,Sonic, Optical Or Radioactive Signal 电磁、声波、光学 或辐射信号Heat
8、 Traced Line 伴热管线Electrical Signal 电信号Internal Signal(software or data link) 内部信号（软件 或数据连接）ABBRIVATIONS缩写AG Above Ground 地面 HPHorse Power Or Highpressor马达或高压ATM Atmosphere 大气 H.PT High Point 高点BF Blind Flange 肓法兰 IACInsulation Acoustic隔音BHP Brake Horse Power马达闸 LCLock Closed 锁定关BL Battery Limit 电池限额
9、 LOLock Open 锁定开BW Backwash 逆流 LHLock Hopper 锁斗CC Chemical Clean化学清洗 LPLow Pressure 低压CH OP Chain Operated连续运转 L,PTLow Point 低点CP Corrosion Probe 防腐蚀探测器M Motor Or Motorized Actuator电动机或电动执行器CSC Car Seal Closed 气缸密封关 MWManway人行道CSC Car Seal Open 气缸密封开 NCNormally Closed常闭DDrain 排放 NDENormally Deenergi
10、zed正常不带电DE Deenergized 不带电 NENormally Energized正常带电EEnergized 带电 NNFNormally No Flow正常无流量(E) Existing 当前的 NONormally Open常开(F) Furnished 供应 PDPositive Displacement实际置换FP-Furnishedpiped 供应或管道传输 PVProcess Variable进程变量FC Fail Closed 故障关 SSample Connection取样连接FI Fail Indeterminate 不确定故障 SP.GR.Specific G
11、ravity特殊引力FL Fail Locked 故障锁定 SOSteam Out 蒸汽排出FO Fail Open Or First Out故障开或首次输出SOV Solenoid Operated Valve电磁阀FOB Flat On Bottom 底部平面 SPSet Point设定点FOT Flat On Top 顶部平面 SRStress Relieve减压FP Full Port 整个端口 STSteam Trap 蒸汽汽水阀FV Full Vacuum 完全真空 TSOTight Shut-off完全切断GE General Electric Gasification Proc
12、ess常规电气化程序GO Gear Operated 齿轮传动 T/TTangent To Tangent相互接触HH Hand hole 人孔 UGUnderground 地下的HS-=-Hydraulic Supply 供水 VVent 出口VV Vent Valve 排放阀 VBVortex Breaker涡流断路器VP Vee Port V型端口Commodity codes 通常代码Air 空气 LNLow Presure Nitrogen低压氮气BD Blow Down 吹扫 LSLow Presure Steam低压蒸汽BF Bioler Feed Water 锅炉给水 LWS
13、Limestone Water Supply灰水给水BW Black Water 黑水 MNMedium Presure Nitrogen中压氮气CW Cooling Water Supply 冷却给水 MSMedium Presure Steam中压蒸汽CWR Cooling Water Return 冷却水循环 NGNatural Gas大气CWS Coal Water Supply水煤浆 OGOxygen Gas 氧气DR Drainage 排水装置PG Process Gas(syngas or purified gas)工艺气 ( 合成气或净化气) DW Demineralized Water 脱盐水 SSolid Sulphur硫磺FEG Fuel Gas 燃料气 SCSteam Condensate 蒸汽冷凝水FL Gas To Flare气体去燃烧 SSCShift Condensate冷凝置换FLG Flash Gas 闪蒸气 SWSoft Water软水FO Fuel Oil 燃油 VTVent Gas 排放气FW Fresh Water 新鲜水 WSSlag Water渣水GW Grey Water 灰水XSC Mix Liquid Of Shift Condensate And Den
