常见的pid图例缩写符号

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1、窗体顶部LINESERVICEIDENTIFICATION窗体底部SYMBOLSERVICE符号帮助AIRSYSTEMS空气系统IAINSTRUMENTAIR仪表风PAPLANTAIR工厂风DA烧焦空气STEAMANDCONDENSATESYSTEMS蒸汽和凝液系统HCHIGHPRESSURECONDENSATE高压蒸汽凝液MCMEDIUMPRESSURECONDENSATE中压蒸汽凝液LCLOWPRESSURECONDENSATE低压蒸汽凝液SCSURFACECONDENSATE表面凝液DSDILUTIONSTEAM稀释蒸汽HSHIGHPRESSURESTEAM高压蒸汽MSME

2、DIUMPRESSURESTEAM中压蒸汽LSSUPERHEATEDLOWPRESSURESTEAM过热低压蒸汽PSSATURATEDLOWPRESSURESTEAM饱和低压蒸汽SHSSUPERHIGHPRESSURESTEAM超高压蒸汽DRAINSYSTEMS排放系统CDCHEMICALDRAIN化污LDLIQUIDDRAIN液体排放NDNON-CONTAMINATEDPOLLUTIONDRAIN无污染排放ODOILYDRAIN油污EXHAUSTANDVENTSYSTEMSAVATMOSPHERICVENT(NOTFROMPSV)通大气（不从安全阀）SVSAFETYVALVET

3、OATMOSPHERE安全伐排大气FLARESYSTEMS火炬系统DFDRYFLARE干火炬WFWETFLARE湿火炬GASSYSTEMS气体系统FGFUELGAS燃料气HGHYDROGEN氢气NGNITROGEN氮气SPECIALLIQUIDSYSTEMS特殊液体系统CLCAUSTIC腐蚀性QOQUENCHOIL急冷油SOSEALOIL密封油WOWASHINGOIL冲洗油（压缩机）PROCESSSERVICE(NORMAL)PPROCESS工艺REFRIGERANTSYSTEMSBRBINARYREFRIGERANT二元制冷PRPROPYLENEREFRIGERANT丙烯冷剂W

4、ATERSYSTEMS水系统BFWBOILERFEEDWATER锅炉给水FWFIREWATER消防水IWINTERMEDIATEWATER二次水CWRCOOLINGWATERRETURN冷却水回水CWSCOOLINGWATERSUPPLY冷却水PWPOLISHEDWATER工艺水QWQUENCHWATER急冷水UWUTILITYWATER工业水WWWASTEWATER废水MISCELLANEOUSABBREVIATIONANDSERVICESYMBOLS各种缩写和符号AAIRMOTOR空气马达ACCACCESSIBLE可接近的ATMATMOSPHERE大气BLBATTERYLIM

5、IT界区BTSBUBBLETIGHTSHUT-OFF缓慢紧密切断BVBYVENDOR由供应商提供CONNCONNECTION连接CSCCARSEALCLOSED关闭锁定CSOCARSEALOPEN打开锁定DECDETAILENGINEERINGCONTRACTOR工程承包商详细资料EORENDOFRUN运行结束SOREWEYEWASH洗眼FLGFLANGE法兰LCLOCKEDCLOSED锁定关闭LOLOCKEDOPEN锁定打开NCNORMALLYCLOSED正常情况下关闭NNFNORMALLYNOFLOW正常情况下无流量NONORMALLYOPEN正常情况下打开SSAMPLECO

6、NNECTION取样点SCSAMPLECONNECTIONWITHCOOLER连接冷却器的取样点SORSTARTOFRUN开始运行SRSTRAINER过滤器SSSAFETYSHOWER安全喷淋TLINEDRIPTRAP疏水器TSOTIGHTSHUTOFF密闭切断UCUTILITYCONNECTION公用工程接口LINESMAINLINE主线SECONDARYLINE副线UNDERGROUNDORBURY地下或隐藏ELECTRICALLYTRACED电缆线SPECIALTRACED特殊管线STEAMTRACED蒸汽伴热JACKETED夹套PACKAGEDEQUIPBOUNDARY成

7、套设备分界线BATTERYLIMITBOUNDARY界区分界线FUTURE未来MATERIALSPECBREAK材料规格分界点DESIGNBREAK设计分界点BELOWGROUNDLINERISINGABOVEGRADE地管伸出点BREAKOFREPONSIBILITY责任分界点MISCELLANEOUSITEMS各种细节RODOUTCONNECTIONCLEANOUTCONNECTION(FLUSHING)清理接口（冲洗）REMOVABLESPOOL可拆除短管NOZZLEORP