仪表常用符号图解

VALVESOPERATED MANUALLYvalve ,the valve symbol actuator to the basic By adding an becomes a control valve .闸阀 Gate valve阻塞阀 Plug valve V-1 Butterflyvalve or冲击阀Ram valve蝶阀或节气闸dampervalve球形阀Blowdown valve V-7 Globe吹扫阀V-2 Check valve止回阀V-4Diaphragm valve薄膜阀Ball valve球阀V-3角阀Angle valve Hand controlvalve手动控制阀V-5Three way valve三通阀 Stop check valve断流止回阀V-8Four way valve四通阀针阀Needle valveDisc valve隔膜阀Slide valve滑阀Other valves Indicated proper abbreviation under valve, example2-6″-WB-134-J1B7-FHC-1．5″UNIT 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 INSULATION OR TRACING绝缘类型或保温LINE INSULATION THICKNESS管道保温厚度CODEINSULATION 保温代号Full cold conservationFCC 完全保持冷却Full heat conservation FHC 完全保持伴热Partial heat conservation PHC 局部保持伴热Personnel protection PP 个人防护No insulation NI 无保温Steam traced and insulatedST 蒸汽伴热Electric traced and insulated ET 电伴热INSTRUMENT NUMBERING PHILOSOPHYX--XX--XXX—XMultiple 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顺序编号管道符号PIPING SYMBOLS．slope消音器silencer Downword slope下斜othersge Pipe specification 过滤器filter管线规格界限limitStrainghtening vane敞口排放Open drain矫正器具 Closeddrain funnelSpectacle blind install E-2密闭排放漏斗DR管道上安装donut in line E-1的开位置肓板敞口漏斗 Open funnelE-5Spectacle blind install E-4 Pipe size reduction管道上安装donut in line管径尺寸缩小的关位置肓板Flame arrester防火装置H Hamer Blind肓板 Hose connection软管连接S Sample Connection Temporary strainer取样连接临时过滤器 Basket strainer STSteamTrap 蒸汽汽水阀篮式过滤器Piping Engineered Item Y-type strainerE1XXXX管道工程单位型过滤器Y Steam Desuperheater Expansion joint 蒸汽减温器膨胀接合处GENERAL概述Vortex breaker Mesh-Type Mist 涡流断路器Eliminator 网状除雾器平面Grade Note Reference Symbol注释参照符号Horizontial Vane-TypePacked SectionMist Eliminator 整个区域水平叶片型除雾器管道符号SYMBOLSLINEPrimary Process LineInstrument PneumaticLine主工艺管道仪表气源管线 Instrument Capillary Secondary Process LineTubing次工艺管道仪表毛细管套管Jacketed Pipe Hydraulic Signal水压信号Existing OR Future Line现有或将有的管道Electromagnetic,Sonic,,Optical Or Radioactive 柔性软管Flexible Host Signal电磁、声波、光学或辐射信号Underground Line地下管道Heat Traced LineInternal伴热管线Signal(software or data Electrical Signal内部信号（软件link) 电信号或数据连接）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 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 MW—Manway人行道CSC—Car Seal Open 气缸密封开 NC—Normally Closed常闭D—Drain 排放 NDE—Normally Deenergized正常不带电DE—Deenergized 不带电 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 S—Sample Connection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故障开或首次输出电磁阀Solenoid Operated Valve—SOV．FOB—Flat On Bottom 底部平面 SP—Set Point设定点FOT—Flat On Top 顶部平面 SR—Stress Relieve减压FP—Full Port 整个端口 ST—Steam Trap蒸汽汽水阀FV—Full Vacuum 完全真空 TSO—Tight Shut-off完全切断GE—General Electric Gasification Process常规电气化程序GO—Gear Operated 齿轮传动 T/T—Tangent To Tangent相互接触HH—Hand hole 人孔 UG—Underground地下的HS-=-Hydraulic Supply 供水 V—Vent出口VV—Vent Valve 排放阀 VB—Vortex Breaker涡流断路器VP—Vee Port V型端口Commodity codes通常代码Air 空气 LN—Low Presure Nitrogen低压氮气BD—Blow Down 吹扫 LS—Low Presure Steam低压蒸汽BF—Bioler Feed Water 锅炉给水 LWS—Limestone Water Supply灰水给水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 NG—Natural Gas大气CWS—Coal Water Supply水煤浆 OG—Oxygen 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 S—Solid Sulphur硫磺FEG—Fuel Gas 燃料气 SC—Steam Condensate蒸汽冷凝水FL—Gas To Flare气体去燃烧 SSC—Shift Condensate冷凝置换FLG—Flash Gas 闪蒸气 SW—Soft Water软水FO—Fuel Oil 燃油 VT—Vent Gas排放气FW—Fresh Water 新鲜水 WS—Slag Water渣水GW—Grey Water 灰水XSC—Mix Liquid Of Shift Condensate And Denmineral Water Or Others 冷凝物混合液和脱盐水或其它HN—High Presure Nitrogen 高压氮气 HS—High Presure Steam高压蒸汽HW—Heating Water Supply 热水 HWR—Heating Water Return热水循环IA—InstrumentAir仪表空气。