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ADJUSTABLESTOOL可调支耳ALLOY合金ANGLE&CHANNEL角钢/槽钢API美国石油学会标准AREA区域ASME美国机械工程师学会标准ASTM美国材料与试验协会标准BALLVALVE球阀BAREPIPE裸管BB(BOLTEDBONNET)螺栓连接型阀盖BC(BOLTEDCOVER)螺栓连接型阀帽BE(BEVELLEDEND)坡口端BEAM梁BL(BLINDFLANGE)盲法兰BRACKET悬臂支架BRONZE铜BUTTERFLYVALVE蝶阀BW(BEVELLEDWELD)对焊C(COLDINSULATION)保冷CAP管帽CARBONCONTENT碳含量CHECKVALVE止回阀CL(CLASS)等级CLAMP管夹CONNTTO连接到CORNERTYPEL型（支吊架）COUPLING管接头CS(CARBONSTEEL)碳钢DEG(DEGREE)度DGN(DESIGN)设计DOWN在下面、向下DUMMYPIPE假管E(EAST)东E(ELECTRICALTRACING)电伴热E/N东/西坐标EFW电熔焊EL标高ELBOW弯头EPDM三元乙丙橡胶EQUALTEE等径三通EQUIPMENT设备ERECTION安装ERW电阻焊EXPANSIONJOINT膨胀节FABRICATION预制FLANGE法兰FLATSIDEDOMN平面在下面FORGE锻制FP(FULLPORT)通径FULLTHRDED全螺纹F-WDG柔性闸板G.O齿轮操作GALV.镀锌GATEVALVE闸阀GLOBEVALVE截止阀GRAPHITE石墨GUIDESHOE导向管托GUIDESTOPPERSHOE导向限位型管托HSHAPEH型钢H(HOTINSULATION)保温HEAVYNUT重型螺母HF(HARDFACE)硬质合金面HORIZONTAL水平的HQSTD寰球院标准HW-STEMN45.0U阀杆北偏上45度HW-STEMW50.0S阀杆西偏南50度IMPORT进口（材料）INNER/OUTERRING内/外环INSTRUMENT仪表INSULATION保温ISRS明杆内螺纹ITEM项、件KCS镇静碳钢LC锁关LENGTH长度LINE管线LJ(LAPJOINT)松套式连接LO锁开LR(LONGRADIUS)长半径LTCS低温碳钢LUG凸耳式MATERIAL材料MAX.最大MFR(MANUFACTUER)制造厂MIN.最小、最少MISCELLANEOUS混合型的MONEL蒙乃尔铜-镍合金MSS美国阀门和管件制造厂标准化协会标准N(NOINSULATION)不保温N(NORTH)北NACE美国腐蚀工程师协会标准NC正常关NIPPLE短节NIPPOLET短管支管台NOTE注释NOZZLE管嘴NPD公称管径OFFSET偏置OPERATECLOSE操作关OPERATEOPEN操作开ORIENT朝向OS&Y支架式明杆外螺纹PE平端PER按照PI压力指示PIECE片PIPE管子PIPESUPPORT管支架PISTON活塞式PP人身防护PRES(PRESSURE)压力PT压力变送PTFE加强聚四氟乙烯PWHT焊后热处理REDUCERCON.同心异径管REDUCERECC.偏心异径管REDUCINGTEE异径三通REINFORCINGPAD补强板RF/RFFE突面法兰端RING环RING-JOINTGASKET(OVAL)环连接椭圆垫RJ环连接RUNPIPE主管S(SOUTH)南S10中压蒸汽伴热S4低压蒸汽伴热S63W南偏西63度SCH壁厚系列SCRD螺纹SEEISO接至…单线图SHEET页SLIDELUG导向支耳SLIDESHOE滑动管托SLIDESTOOL滑动耳轴SLIDESTRAP导向型管夹SMLS无缝SNUBBER减振器SOCKLET承插支管台SOFTIRON软铁SP(SHORTPATTERN)短型SPACER&BLANK插板/垫环SPECIAL特殊的SPECIFICATION规范、标准SPECTACLEBLINDK8字盲板SPIRALWOUNDGASKET缠绕垫片SPRINGSUPPORT弹簧架SPT-WDG分体楔式SR(SHORTRADIUS)短半径SS(STAINLESSSTEEL)不锈钢STANCHION支柱STD.标准STEAMTRAP蒸汽疏水阀STOPVALVE切断阀STOPPERSHOE限位型管托STRAIGHTPIPE直管STRAINER过滤器STRAP管夹STRUCTURE结构STUBEND突缘短节STUDBOLT/HEX.NUT双头螺栓/六角螺母SV(SAFETYVALVE)安全阀SW承插焊SWAGE锻造S-WDG楔形单闸板TAILSOUTH尾部向南TAILUP尾部向上TE螺纹端TEFLONSLIDEPLATE聚四氟乙烯滑动板TEMP(TEMPERATURE)温度THRD(THREADED)螺纹TI温度指示TIGHTSHOE固定型管托TRIM.阀芯TRUNNION耳轴TT温度变送U/G地管UP向上、在上面V/D(VENT/DRAIN)放空/排净VALVE阀门VERTICAL垂直的W(HOTWATERTRACING)热水伴热W(WEST)西W27S西偏南27度WAFER圆片WELD焊接WELDOLET焊接支管台WN(WELDINGNECK)带颈对焊Y-GLOBEVALVEY型截止阀ADJUSTABLESTOOL可调支耳HEAVYNUT重型螺母ALLOY合金HF(HARDFACE)硬质合金面ANGLE&CHANNEL角钢/槽钢HORIZONTAL水平的AREA区域HQSTD寰球院标准ASME美国机械工程师学会标准HW-STEMN45.0U阀杆北偏上45度ASTM美国材料与试验协会标准HW-STEMW50.0S阀杆西偏南50度BALLVALVE球阀IMPORT进口（材料）BAREPIPE裸管INNER/OUTERRING内/外环BB(BOLTEDBONNET)螺栓连接型阀盖INSTRUMENT仪表BC(BOLTEDCOVER)螺栓连接型阀帽INSULATION保温BE(BEVELLEDEND)坡口端ISRS明杆内螺纹BEAM梁ITEM项、件BL(BLINDFLANGE)盲法兰KCS镇静碳钢BRACKET悬臂支架LC锁关BRONZE铜LENGTH长度BUTTERFLYVALVE蝶阀LINE管线BW(BEVELLEDWELD)对焊LJ(LAPJOINT)松套式连接C(COLDINSULATION)保冷LO锁开CAP管帽LR(LONGRADIUS)长半径CARBONCONTENT碳含量LTCS低温碳钢CHECKVALVE止回阀LUG凸耳式CL(CLASS)等级MATERIAL材料CLAMP管夹MAX.最大CONNTTO连接到MFR(MANUFACTUER)制造厂CORNERTYPEL型（支吊架）MIN.最小、最少COUPLING管接头MISCELLANEOUS混合型的CS(CARBONSTEEL)碳钢MONEL蒙乃尔铜-镍合金DEG(DEGREE)度MSS美国阀门和管件制造厂标准化协会标准DGN(DESIGN)设计N(NOINSULATION)不保温DOWN在下面、向下N(NORTH)北DUMMYPIPE假管NACE美国腐蚀工程师协会标准E(EAST)东NC正常关E(ELECTRICALTRACING)电伴热NIPPLE短节E/N东/西坐标NIPPOLET短管支管台EFW电熔焊NOTE注释EL标高NOZZLE管嘴ELBOW弯头NPD公称管径EPDM三元乙丙橡胶OFFSET偏置EQUALTEE等径三通OPERATECLOSE操作关EQUIPMENT设备OPERATEOPEN操作开ERECTION安装ORIENT朝向ERW电阻焊OS&Y支架式明杆外螺纹EXPANSIONJOINT膨胀节PE平端FABRICATION预制PER按照FLANGE法兰PI压力指示FLATSIDEDOMN平面在下面PIECE片FORGE锻制PIPE管子FP(FULLPORT)通径PIPESUPPORT管支架FULLTHRDED全螺纹PISTON活塞式F-WDG柔性闸板PP人身防护G.O齿轮操作PRES(PRESSURE)压力GALV.镀锌PT压力变送GATEVALVE闸阀PTFE加强聚四氟乙烯GLOBEVALVE截止阀PWHT焊后热处理GRAPHITE石墨REDUCERCON.同心异径管GUIDESHOE导向管托REDUCERECC.偏心异径管GUIDESTOPPERSHOE导向限位型管托REDUCINGTEE异径三通HSHAPEH型钢REINFORCINGPAD补强板管道单线图符号/词语说明H(HOTINSULATION)保温RF/RFFE突面法兰端RING环W(WEST)西RJ环连接W27S西偏南27度RUNPIPE主管RING-JOINTGASKET(OVAL)环连接椭圆垫S(SOUTH)南WAFER圆片S10中压蒸汽伴热WELD焊接S4低压蒸汽伴热WELDOLET焊接支管台S63W南偏西63度WN(WELDINGNECK)带颈对焊SCH壁厚系列Y-GLOBEVALVEY型截止阀SCRD螺纹SEEISO接至…单线图SHEET页SLIDELUG导向支耳SLIDESHOE滑动管托SLIDESTOOL滑动耳轴SLIDESTRAP导向型管夹SMLS无缝SNUBBER减振器SOCKLET承插支管台SOFTIRON软铁SP(SHORTPATTERN)短型SPACER&BLANK插板/垫环SPECIAL特殊的SPECIFICATION规范、标准SPECTACLEBLINDK8字盲板SPIRALWOUNDGASKET缠绕垫片SPRINGSUPPORT弹簧架SPT-WDG分体楔式SR(SHORTRADIUS)短半径SS(STAINLESSSTEEL)不锈钢STANCHION支柱STD.标准STEAMTRAP蒸汽疏水阀STOPVALVE切断阀STOPPERSHOE限位型管托STRAIGHTPIPE直管STRAINER过滤器STRAP管夹STRUCTURE结构STUBEND突缘短节STUDBOLT/HEX.NUT双头螺栓/六角螺母SV(SAFETYVALVE)安全阀SW承插焊SWAGE锻造S-WDG楔形单闸板TAILSOUTH尾部向南TAILUP尾部向上TE螺纹端TEFLONSLIDEPLATE聚四氟乙烯滑动板TEMP(TEMPERATURE)温度THRD(THREADED)螺纹TI温度指示TIGHTSHOE固定型管托TRIM.阀芯TRUNNION耳轴TT温度变送U/G地管UP向上、在上面V/D(VENT/DRAIN)放空/排净VALVE阀门VERTICAL垂直的W(HOTWATERTRACING)热水伴热