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MANUALLY OPERATED VALVESBy adding an actuator to the basic valve symbol ,the valve becomes a control valve . Other valvesIndicated proper abbreviation under valve, example 2-6-WB-134-J1B7-FHC-15UNIT 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INSTRUMENT NUMBERING PHILOSOPHYX-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GENERAL概述LINE SYMBOLS管道符号 ABBRIVATIONS缩写AGAbove Ground 地面 HPHorse Power Or Highpressor马达或高压ATMAtmosphere 大气 H.PTHigh Point 高点BFBlind Flange 肓法兰 IACInsulation Acoustic隔音BHPBrake Horse Power马达闸 LCLock Closed 锁定关BLBattery Limit 电池限额 LOLock Open 锁定开BWBackwash 逆流 LHLock Hopper 锁斗CCChemical Clean化学清洗 LPLow Pressure 低压CH OPChain Operated连续运转 L,PTLow Point 低点CPCorrosion Probe 防腐蚀探测器 MMotor Or Motorized Actuator电动机或电动执行器CSCCar Seal Closed 气缸密封关 MWManway人行道CSCCar Seal Open 气缸密封开 NCNormally Closed常闭DDrain 排放 NDENormally Deenergized正常不带电DEDeenergized 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FCFail Closed 故障关 SSample Connection取样连接FIFail Indeterminate 不确定故障 SP.GR.Specific Gravity特殊引力FLFail Locked 故障锁定 SOSteam Out蒸汽排出FOFail Open Or First Out故障开或首次输出SOVSolenoid Operated Valve电磁阀FOBFlat On Bottom 底部平面 SPSet Point设定点FOTFlat On Top 顶部平面 SRStress Relieve减压FPFull Port 整个端口 STSteam Trap蒸汽汽水阀FVFull Vacuum 完全真空 TSOTight Shut-off完全切断GEGeneral Electric Gasification Process常规电气化程序GOGear Operated 齿轮传动 T/TTangent To Tangent相互接触HHHand hole 人孔 UGUnderground地下的HS-=-Hydraulic Supply 供水 VVent出口VVVent Valve 排放阀 VBVortex Breaker涡流断路器VPVee Port V型端口Commodity codes通常代码Air 空气 LNLow Presure Nitrogen低压氮气BDBlow Down 吹扫 LSLow Presure Steam低压蒸汽BFBioler Feed Water 锅炉给水 LWSLimestone Water Supply灰水给水BWBlack Water 黑水 MNMedium Presure Nitrogen中压氮气CWCooling Water Supply 冷却给水 MSMedium Presure Steam中压蒸汽CWRCooling Water Return 冷却水循环 NGNatural Gas大气CWSCoal Water Supply水煤浆 OGOxygen Gas氧气DRDrainage 排水装置 PGProcess Gas(syngas or purified gas)工艺气(合成气或净化气)DWDemineralized Water 脱盐水 SSolid Sulphur硫磺FEGFuel Gas 燃料气 SCSteam Condensate蒸汽冷凝水FLGas To Flare气体去燃烧 SSCShift Condensate冷凝置换FLGFlash Gas 闪蒸气 SWSoft Water软水FOFuel Oil 燃油 VTVent Gas排放气FWFresh Water 新鲜水 WSSlag Water渣水GWGrey Water 灰水 XSCMix Liquid Of Shift Condensate And Denmineral Water Or Others冷凝物混合液和脱盐水或其它HNHigh Presure Nitrogen 高压氮气 HSHigh Presure Steam高压蒸汽HWHeating Water Supply 热水 HWRHeating Water Return热水循环IAInstrument Air仪表空气
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