仪表常用符图解0001

1、By addingMANUALLYOPERATED VALVESan actuator to the basic valve symbol,the valvebecomes a control valve .XGate valve闸阀Plug valve 阻塞阀V-1V-7Butterfly valve ordamper蝶阀或节气闸Globe valve 球形阀Ram valve冲击阀V-4Blowdown valve 吹扫阀Check valve止回阀V-3V-8Ball valve 球阀Hand controlvalve手动控制阀Stop check valve断流止回阀Needle va

2、lve 针阀Diaphragm valve 薄膜阀Three way valve 三通阀Four way valve 四通阀Angle valve 角阀Slide valve 滑阀Disc valve 隔膜阀Other valvesIndicated proper abbreviation under valve, example2-6 -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TYPE OF INSU

3、LATION OR TRACING 绝缘类型或保温LINE INSULATION THICKNESS 管道保温厚度INSULATION CODE 保温代号FCCFull cold conservation 完全保持冷却FHCFull heat conservation 完全保持伴热PHCPartial heat conservation 局部保持伴热PPPersonnel protection 个人防护NINo insulation 无保温STSteam traced and insulated蒸汽伴热ETElectric traced and insulated电伴热INSTRUMENT N

4、UMBERING PHILOSOPHYX-XX-XXX X多种仪表指不回路编号或仪表位号code区域编号或仪Multiple instrument designatorLoop number/Intrument tagSection number/Intrument工代号Train number 顺序编号PIPING SYMBOLS 管道符号Rn=Tsilencer 消音器slopeDownword slope下斜filter 过滤器othersgeTV一Open drain 敞 口排放oE2E-1Closed drain funnel密闭排放漏斗Open funnel 敞 口漏斗Pipe s

5、pecificationlimit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-5Spectacle blind install donut in line 管道上安装 的关位置肓板Hose connection软管连接一Temporary strainer 临时过滤器 Basket strainer1 L篮式过滤器Y-type strainer,Y 型过滤器'V Expansion joint膨胀接合处E1 XXXXHamer Blind 肓板Sample Connec

6、tion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Grade 平面Vortex breaker涡流断路器Mesh-Type MistEliminator网状除雾器Note Reference Symbol注释参照符号 Packed Section日二三上整个区域Horizontial Vane-TypeMist Eliminator水平叶片型除雾器中,Pipe size reduction管径尺寸缩小 Flame arrester 防火装置LINE SYMBOLS管道符号P

7、rimary Process Line 主工艺管道Secondary Process Line次工艺管道_.- Jacketed Pipe 套管Existing OR Future Line 现有或将有的管道匚八& 3Flexible Host柔性软管_ _ _Underground Line2121=1地下管道InternalSignal(software or data1° link) 内部信号(软件或数据连接)Instrument Pneumatic 必夕Line仪表气源管线Instrument Capillary Tubing仪表毛细管Hydraulic Signal

8、L L水压信号Electromagnetic,Sonic,.Optical Or Radioactive-Signal电磁、声波、光学或辐射信号 Heat Traced Line 伴热管线Electrical Signal 电信号ABBRIVATIONS 缩写AG- Above Ground 地面 HP Horse Power Or Highpressor马达或高压ATM- Atmosphere大气 H.PT High Point 高点BF Blind Flange肓法兰 IAC Insulation Acoustic 隔音BHP- Brake Horse Power 马达闸 LC Lock

9、Closed 锁定关BL Battery Limit电池限额 LO Lock Open 锁定开BW- Backwash逆流 LH Lock Hopper 锁斗CC- Chemical Clean 化学清洗 LP Low Pressure 低压CH OP- Chain Operated 连续运转 L,PT -Low 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

10、Closed 常闭D- Drain排放NDENormally Deenergized正常不带电DE Deenergized小带电NE Normally Energized正常带电E- Energized带电NNF Normally No Flow正常无流量(E) Existing当前的NO Normally Open 常开(F) Furnished供应PD Positive Displacement实际置换F& P-Furnished & piped 供应或管道传输PV Process Variable进程变量FC- Fail Closed故障关SSample Connecti

11、on 取样连接FI Fail Indeterminate不确定故障SP.GR. Specific Gravity特殊引力FL-Fail Locked故障锁定SO -Steam 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 SPFOR Flat On Top顶部平面SRFP- Full Port整个端口STFA Full Vacuum完全真空TSOGE- General Electric Gasification Process GO- Gear Op

12、erated 齿轮传动 T/T HHH Hand hole 人孔UGHS-=-Hydraulic Supply 供水 V VV- Vent Valve排放阀VBVP- Vee Port V 型端口 Set Point 设定点Stress Relieve 减压一Steam Trap蒸汽汽水阀-Tight Shut-off完全切断常规电气化程序Tangent To Tangent 相互接触 Underground 地下的 Vent 出口Vortex Breaker 涡流断路器Commodity codes 通常代码Air 空气LN-Low Presure Nitrogen低压氮气BD- Blow

13、Down 吹扫LSLow Presure Steam 低压蒸汽B Bioler Feed Water锅炉给水LWS Limestone Water Supply灰水给水CWS- Coal Water Supply水煤浆DR- Drainage排水装置PG- Process Gas(syngas or purified gas)DW- Demineralized Water脱盐水OG Oxygen Gas 氧气FEG- Fuel Gas 燃料气FL Gas To Flare 气体去燃烧FLG- Flash Gas闪蒸气FO- Fuel Oil燃油FW- Fresh Water新鲜水SCSSCSWVTWS工艺气(合成气或净化气)Solid Sulphur硫磺 Steam Condensate 蒸汽冷凝水 Shift Condensate冷凝置换 Soft Water 软水Vent Gas排放气 Slag Water 渣水BW- Black Water 黑水 MN Medium Presure Nitrogen 中压氮气 CW- Cooling Water Supply 冷却给水 MS Medium Presure Steam 中压蒸汽 CWR-Cooling Water Return冷却水循环 NGNatural Gas 大气GW- Grey Wate