管道單線圖符號說明

1、ADJUSTABLE STOOL可調(diào)支耳ALLOY合金ANGLE&CHANNEL角鋼/槽鋼API美國石油學會標準AREA區(qū)域ASME美國機械工程師學會標準ASTM美國材料與試驗協(xié)會標準BALL VALVE球閥BARE PIPE裸管BB(BOLTED BONNET)螺栓連接型閥蓋BC(BOLTED COVER)螺栓連接型閥帽BE(BEVELLED END)坡口端BEAM梁BL(BLIND FLANGE)盲法蘭BRACKET懸臂支架BRONZE銅BUTTERFLY VALVE蝶閥BW(BEVELLED WELD)對焊C(COLD INSULATION)保冷CAP管帽 CARBON CONTENT碳

2、含量CHECK VALVE止回閥CL(CLASS)等級CLAMP管夾CONNT TO連接到CORNER TYPE L型（支吊架）COUPLING管接頭CS(CARBON STEEL)碳鋼DEG(DEGREE)度DGN(DESIGN)設(shè)計DOWN在下面、向下DUMMY PIPE假管E(EAST)東 E(ELECTRICAL TRACING)電伴熱E/N東/西坐標EFW電熔焊EL 標高ELBOW彎頭EPDM三元乙丙橡膠EQUAL TEE等徑三通EQUIPMENT設(shè)備ERECTION安裝ERW電阻焊EXPANSION JOINT膨脹節(jié) FABRICATION預(yù)制FLANGE法蘭FLAT SIDE D

3、OMN平面在下面FORGE鍛制FP(FULL PORT)通徑FULL THRDED全螺紋F-WDG柔性閘板G.O齒輪操作GALV.鍍鋅GATE VALVE閘閥GLOBE VALVE截止閥GRAPHITE石墨GUIDE SHOE導(dǎo)向管托GUIDE STOPPER SHOE 導(dǎo)向限位型管托H SHAPEH型鋼H(HOT INSULATION)保溫HEAVY NUT重型螺母HF(HARD FACE)硬質(zhì)合金面HORIZONTAL水平的HQ STD寰球院標準HW-STEM N 45.0 U閥桿北偏上45度HW-STEM W 50.0 S閥桿西偏南50度IMPORT進口（材料）INNER/OUTER R

4、ING內(nèi)/外環(huán)INSTRUMENT儀表INSULATION保溫ISRS明桿內(nèi)螺紋ITEM項、件KCS鎮(zhèn)靜碳鋼LC鎖關(guān)LENGTH長度LINE管線LJ(LAP JOINT)松套式連接LO鎖開LR(LONG RADIUS)長半徑LTCS低溫碳鋼LUG凸耳式MATERIAL 材料MAX.最大MFR(MANUFACTUER)制造廠MIN.最小、最少MISCELLANEOUS 混合型的MONEL蒙乃爾銅-鎳合金MSS美國閥門和管件制造廠標準化協(xié)會標準N(NO INSULATION)不保溫N(NORTH)北NACE美國腐蝕工程師協(xié)會標準NC正常關(guān)NIPPLE短節(jié)NIPPOLET短管支管臺NOTE注釋NOZ

5、ZLE管嘴NPD公稱管徑OFFSET偏置OPERATE CLOSE操作關(guān)OPERATE OPEN操作開ORIENT朝向OS&Y支架式明桿外螺紋PE平端PER按照PI壓力指示PIECE片PIPE管子PIPE SUPPORT管支架PISTON活塞式PP人身防護PRES(PRESSURE)壓力PT 壓力變送PTFE加強聚四氟乙烯PWHT焊后熱處理REDUCER CON.同心異徑管REDUCER ECC.偏心異徑管REDUCING TEE異徑三通REINFORCING PAD補強板RF/RFFE突面法蘭端RING環(huán) RING-JOINT GASKET(OVAL)環(huán)連接橢圓墊RJ環(huán)連接RUN PIPE主

6、管S(SOUTH)南S10中壓蒸汽伴熱S4低壓蒸汽伴熱S63W南偏西63度SCH壁厚系列SCRD螺紋SEE ISO接至單線圖SHEET頁SLIDE LUG導(dǎo)向支耳SLIDE SHOE滑動管托SLIDE STOOL滑動耳軸SLIDE STRAP導(dǎo)向型管夾SMLS無縫SNUBBER減振器SOCKLET承插支管臺SOFT IRON軟鐵SP(SHORT PATTERN)短型SPACER&BLANK插板/墊環(huán)SPECIAL特殊的SPECIFICATION規(guī)范、標準SPECTACLE BLINDK8字盲板SPIRAL WOUND GASKET纏繞墊片SPRING SUPPORT彈簧架SPT-WDG分體楔式

7、SR(SHORT RADIUS)短半徑SS(STAINLESS STEEL)不銹鋼STANCHION支柱STD.標準STEAM TRAP蒸汽疏水閥 STOP VALVE切斷閥STOPPER SHOE限位型管托STRAIGHT PIPE直管STRAINER過濾器STRAP管夾STRUCTURE 結(jié)構(gòu)STUB END突緣短節(jié)STUD BOLT/HEX. NUT雙頭螺栓/六角螺母SV(SAFETY VALVE)安全閥SW承插焊SWAGE鍛造S-WDG楔形單閘板TAIL SOUTH尾部向南TAIL UP尾部向上TE螺紋端 TEFLON SLIDE PLATE聚四氟乙烯滑動板TEMP(TEMPERATU

8、RE)溫度THRD(THREADED)螺紋TI溫度指示TIGHT SHOE 固定型管托TRIM.閥芯TRUNNION耳軸TT溫度變送U/G地管UP向上、在上面V/D(VENT/DRAIN)放空/排凈VALVE閥門VERTICAL垂直的W(HOT WATER TRACING)熱水伴熱W(WEST)西W27S西偏南27度WAFER圓片WELD焊接WELDOLET焊接支管臺 WN(WELDING NECK)帶頸對焊Y-GLOBE VALVEY型截止閥管管道道單單線線圖圖符符號號/ /詞詞語語說說明明ADJUSTABLE STOOL可調(diào)支耳HEAVY NUT重型螺母ALLOY合金HF(HARD FAC

9、E)硬質(zhì)合金面ANGLE&CHANNEL角鋼/槽鋼HORIZONTAL水平的AREA區(qū)域HQ STD寰球院標準ASME美國機械工程師學會標準HW-STEM N 45.0 U閥桿北偏上45度ASTM美國材料與試驗協(xié)會標準HW-STEM W 50.0 S閥桿西偏南50度BALL VALVE球閥IMPORT進口（材料）BARE PIPE裸管INNER/OUTER RING內(nèi)/外環(huán)BB(BOLTED BONNET)螺栓連接型閥蓋INSTRUMENT儀表BC(BOLTED COVER)螺栓連接型閥帽INSULATION保溫BE(BEVELLED END)坡口端ISRS明桿內(nèi)螺紋BEAM梁ITEM項、件B

10、L(BLIND FLANGE)盲法蘭KCS鎮(zhèn)靜碳鋼BRACKET懸臂支架LC鎖關(guān)BRONZE銅LENGTH長度BUTTERFLY VALVE蝶閥LINE管線BW(BEVELLED WELD)對焊LJ(LAP JOINT)松套式連接C(COLD INSULATION)保冷LO鎖開CAP管帽 LR(LONG RADIUS)長半徑CARBON CONTENT碳含量LTCS低溫碳鋼CHECK VALVE止回閥LUG凸耳式CL(CLASS)等級MATERIAL 材料CLAMP管夾MAX.最大CONNT TO連接到MFR(MANUFACTUER)制造廠CORNER TYPE L型（支吊架）MIN.最小、最

11、少COUPLING管接頭MISCELLANEOUS 混合型的CS(CARBON STEEL)碳鋼MONEL蒙乃爾銅-鎳合金DEG(DEGREE)度MSS美國閥門和管件制造廠標準化協(xié)會標準DGN(DESIGN)設(shè)計N(NO INSULATION)不保溫DOWN在下面、向下N(NORTH)北DUMMY PIPE假管NACE美國腐蝕工程師協(xié)會標準E(EAST)東 NC正常關(guān)E(ELECTRICAL TRACING)電伴熱NIPPLE短節(jié)E/N東/西坐標NIPPOLET短管支管臺EFW電熔焊NOTE注釋EL 標高NOZZLE管嘴ELBOW彎頭NPD公稱管徑EPDM三元乙丙橡膠OFFSET偏置EQUAL

12、 TEE等徑三通OPERATE CLOSE操作關(guān)EQUIPMENT設(shè)備OPERATE OPEN操作開ERECTION安裝ORIENT朝向ERW電阻焊OS&Y支架式明桿外螺紋EXPANSION JOINT膨脹節(jié) PE平端FABRICATION預(yù)制PER按照FLANGE法蘭PI壓力指示FLAT SIDE DOMN平面在下面PIECE片F(xiàn)ORGE鍛制PIPE管子FP(FULL PORT)通徑PIPE SUPPORT管支架FULL THRDED全螺紋PISTON活塞式F-WDG柔性閘板PP人身防護G.O齒輪操作PRES(PRESSURE)壓力GALV.鍍鋅PT 壓力變送GATE VALVE閘閥PTFE

13、加強聚四氟乙烯GLOBE VALVE截止閥PWHT焊后熱處理GRAPHITE石墨REDUCER CON.同心異徑管GUIDE SHOE導(dǎo)向管托REDUCER ECC.偏心異徑管GUIDE STOPPER SHOE 導(dǎo)向限位型管托REDUCING TEE異徑三通H SHAPEH型鋼REINFORCING PAD補強板H(HOT INSULATION)保溫RF/RFFE突面法蘭端RING環(huán) W(WEST)西RJ環(huán)連接W27S西偏南27度RUN PIPE主管RING-JOINTGASKET(OVAL)環(huán)連接橢圓墊S(SOUTH)南WAFER圓片S10中壓蒸汽伴熱WELD焊接S4低壓蒸汽伴熱WELDO

14、LET焊接支管臺 S63W南偏西63度WN(WELDING NECK)帶頸對焊SCH壁厚系列Y-GLOBE VALVEY型截止閥SCRD螺紋SEE ISO接至單線圖SHEET頁SLIDE LUG導(dǎo)向支耳SLIDE SHOE滑動管托SLIDE STOOL滑動耳軸SLIDE STRAP導(dǎo)向型管夾SMLS無縫SNUBBER減振器SOCKLET承插支管臺SOFT IRON軟鐵SP(SHORT PATTERN)短型SPACER&BLANK插板/墊環(huán)SPECIAL特殊的SPECIFICATION規(guī)范、標準SPECTACLE BLINDK8字盲板SPIRAL WOUND GASKET纏繞墊片SPRING SUPPORT彈簧架SPT-WDG分體楔式SR(SHORT RADIUS)短半徑SS(STAINLESS STEEL)不銹鋼STANCHION支柱STD.標準STEAM TRAP蒸汽疏水閥 STOP VALVE切斷閥STOPPER SHOE限位型管托STRAIGHT PIPE直管STRAINER過濾器STRAP管夾STRUCTURE 結(jié)構(gòu)STUB END突緣短節(jié)STUD BOLT/HEX. NUT雙頭螺栓/六角螺母SV(SAFETY VALVE)安全閥S