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1、MANUALLYOPERATED VALVESBy adding an actuator to the basic valve symbol ,the valve becomes a control valve .一 . . Gate valve 闸阀V-1Butterfly valve ordamper蝶阀或节气闸V-7一二C一Globe valve 球形阀V-2-Check valve 止回阀Plug valve 阻塞阀Ram valve冲击阀Blowdown valve 吹扫阀V-4-DC-V-3V-5V-8Ball valve 球阀Hand controlvalve手动控制阀Stop
2、check valve断流止回阀Needle valve 针阀Three way valve 三通阀Four way valve 四通阀Diaphragm valve 薄膜阀Angle valve 角阀Slide valve 滑阀|归 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 SPEC
3、IFICATION 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
4、and insulated电伴热INSTRUMENT NUMBERING PHILOSOPHYX-XX-XXXX多种仪表指不回路编号或仪表位号code区域编号或仪表代 Multiple instrument designatorLoop number/Intrument tagSection number/Intrument4一 Train number 顺序编号PIPING SYMBOLS 管道符号GENERAL 概述LINE SYMBOLS管道符号ABBRIVATIONS 缩写AG-Above Ground 地面HPHorse Power Or Highpressor 马达或高压ATM A
5、tmosphere 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 Mot
6、or Or Motorized Actuator电动机或电动执行器CSC- Car Seal Closed气缸密封关MW ManwayA 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 Posit
7、ive 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SOV Solenoid Operated Valve 电磁阀FOB Flat On Bottom 底部平面SPFOT F
8、lat On Top 顶部平面SRFP Full Port 整个端口 STFV Full Vacuum 完全真空TSOGE General Electric Gasification ProcessGO Gear Operated 齿轮传动HH Hand hole 人孔HS-=-Hydraulic Supply 供水VV Vent Valve 排放阀VP Vee Port V 型端口Commodity codes 通常代码Air 空气LNBD Blow Down 吹扫BF Bioler Feed WaterBW Black Water 黑水CW Cooling Water SupplyT/TU
9、GVVBLS Set Point 设定点 Stress Relieve 减压 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 Low Presure Nitrogen 低压氮气 Low Presure Steam 低压蒸汽CWR Cooling Water ReturnCWS Coal Water Supply 水煤浆DR Drainage 排水装置PG Process Gas(syngas or purified g
10、as)DW Demineralized Water 脱盐水锅炉给水LWS Limestone Water Supply 灰水给水MN Medium Presure Nitrogen 中压氮气冷却给水MS Medium Presure Steam 中压蒸汽冷却水循环NG Natural Gas 大气OG Oxygen Gas 氧气工艺气 （ 合成气或净化气）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
11、气FO Fuel Oil 燃油FW Fresh Water 新鲜水GW Grey Water 灰水SWSoft Water 软水VTVent Gas 排放气WSSlag Water 渣水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 Instrument Air 仪表空气
