窗體頂部LINE SERVICE IDENTIFICATION窗體底部SYMBOL SERVICE 符號(hào) 幫助 AIR SYSTEMS 空氣系統(tǒng)IA INSTRUMENT AIR 儀表風(fēng)PA PLANT AIR 工廠風(fēng)DA 燒焦空氣STEAM AND CONDENSATE SYSTEMS蒸汽和凝液系統(tǒng)HC HIGH PRESSURE CONDENSATE 高壓蒸汽凝液MC MEDIUM PRESSURE CONDENSATE 中壓蒸汽凝液LC LOW PRESSURE CONDENSATE 低壓蒸汽凝液SC SURFACE CONDENSATE 表面凝液DS DILUTION STEAM 稀釋蒸汽HS HIGH PRESSURE STEAM 高壓蒸汽MS MEDIUM PRESSURE STEAM 中壓蒸汽LS SUPERHEATED LOW PRESSURE STEAM 過(guò)熱低壓蒸汽PS SATURATED LOW PRESSURE STEAM 飽和低壓蒸汽SHS SUPER HIGH PRESSURE STEAM 超高壓蒸汽DRAIN SYSTEMS排放系統(tǒng)CD CHEMICAL DRAIN 化污LD LIQUID DRAIN 液體排放ND NON-CONTAMINATED POLLUTION DRAIN 無(wú)污染排放OD OILY DRAIN油污EXHAUST AND VENT SYSTEMSAV ATMOSPHERIC VENT (NOT FROM PSV) 通大氣（不從安全閥）SV SAFETY VALVE TO ATMOSPHERE 安全伐排大氣FLARE SYSTEMS火炬系統(tǒng)DF DRY FLARE 干火炬 WF WET FLARE 濕火炬GAS SYSTEMS氣體系統(tǒng)FG FUEL GAS燃料氣HG HYDROGEN 氫氣NG NITROGEN氮?dú)釹PECIAL LIQUID SYSTEMS特殊液體系統(tǒng)CL CAUSTIC 腐蝕性QO QUENCH OIL急冷油SO SEAL OIL 密封油WO WASHING OIL沖洗油（壓縮機(jī)）PROCESS SERVICE (NORMAL)P PROCESS 工藝REFRIGERANT SYSTEMSBR BINARY REFRIGERANT 二元制冷PR PROPYLENE REFRIGERANT 丙烯冷劑WATER SYSTEMS 水系統(tǒng)BFW BOILER FEED WATER 鍋爐給水FW FIRE WATER 消防水IW INTERMEDIATE WATER 二次水CWR COOLING WATER RETURN 冷卻水回水CWS COOLING WATER SUPPLY 冷卻水PW POLISHED WATER 工藝水QW QUENCH WATER急冷水UW UTILITY WATER 工業(yè)水WW WASTE WATER 廢水MISCELLANEOUS ABBREVIATION AND SERVICE SYMBOLS各種縮寫和符號(hào)A AIR MOTOR 空氣馬達(dá)ACC ACCESSIBLE 可接近的 ATM ATMOSPHERE 大氣 BL BATTERY LIMIT 界區(qū)BTS BUBBLE TIGHT SHUT-OFF 緩慢緊密切斷BV BY VENDOR 由供應(yīng)商提供CONN CONNECTION 連接CSC CAR SEAL CLOSED 關(guān)閉鎖定CSO CAR SEAL OPEN 打開(kāi)鎖定DEC DETAIL ENGINEERING CONTRACTOR 工程承包商詳細(xì)資料 EOR END OF RUN 運(yùn)行結(jié)束SOREW EYEWASH 洗眼FLG FLANGE 法蘭LC LOCKED CLOSED 鎖定關(guān)閉LO LOCKED OPEN 鎖定打開(kāi)NC NORMALLY CLOSED 正常情況下關(guān)閉NNF NORMALLY NO FLOW 正常情況下無(wú)流量NO NORMALLY OPEN 正常情況下打開(kāi)S SAMPLE CONNECTION 取樣點(diǎn)SC SAMPLE CONNECTION WITH COOLER 連接冷卻器的取樣點(diǎn)SOR START OF RUN 開(kāi)始運(yùn)行SR STRAINER 過(guò)濾器SS SAFETY SHOWER安全噴淋T LINE DRIP TRAP 疏水器TSO TIGHT SHUT OFF 密閉切斷UC UTILITY CONNECTION 公用工程接口LINESMAIN LINE主線SECONDARY LINE副線UNDERGROUND OR BURY地下或隱藏ELECTRICALLY TRACED電纜線SPECIAL TRACED特殊管線STEAM TRACED蒸汽伴熱JACKETED夾套PACKAGED EQUIP BOUNDARY成套設(shè)備分界線BATTERY LIMIT BOUNDARY界區(qū)分界線FUTURE未來(lái)MATERIAL SPEC BREAK材料規(guī)格分界點(diǎn)DESIGN BREAK設(shè)計(jì)分界點(diǎn)BELOW GROUND LINE RISING ABOVE GRADE地管伸出點(diǎn)BREAK OF REPONSIBILITY責(zé)任分界點(diǎn) MISCELLANEOUS ITEMS各種細(xì)節(jié)ROD OUT CONNECTIONCLEAN OUT CONNECTION (FLUSHING)清理接口（沖洗）REMOVABLE SPOOL可拆除短管NOZZLE OR PIPE WITH BLIND FLANGE帶盲法蘭的噴嘴或管線SPACER FOR BLIND盲管位置NORMALLY CLOSED正常情況下關(guān)閉NORMALLY OPEN正常情況下打開(kāi)FIGURE BB 圖REVERSIBLE BLIND8字盲板ORIFICE SWAGE孔板INSULATED FLANGED JOINT保溫法蘭連接PIPE CAP (WELDED)管帽（焊接）PIPE CAP (SCREWED)管帽（法蘭）REDUCER變徑管T-STRAINERT型過(guò)濾器PERMANENT Y-STRAINER (WITH VALVE)帶閥門Y型過(guò)濾器TEMPORARY STRAINER臨時(shí)過(guò)濾器HOSE CONNECTION軟管接口SAMPLE CONNECTION取樣口**-SERVICE SYMBOL符號(hào)說(shuō)明SEQUENCE NUMBER序列號(hào)OPEN DRAIN HUB敞口集液器MATERIAL BALANCE STREAM NUMBER物流號(hào)CONTINUTY ARROW延續(xù)箭頭INITIAL FEED初始進(jìn)料GRADE等級(jí)TRENCH地溝LINE IDENTIFICATION管線說(shuō)明INSULATION CODE保溫代碼MATERIAL SPECIFICATION材質(zhì)BRANCH IDENTIFIER分支標(biāo)識(shí)SEQUENCE NUMBER管線號(hào)PROCESS SECTION AREA(MAY BE SINGLE DIGIT)工藝區(qū)LINE SERVICE SYMBOL管線符號(hào)說(shuō)明LINE SIZE管線尺寸VALVESGATE VALVE閘閥BUTTERFLY VALVE蝶閥DIAPHRAGM VALVE隔膜閥GLOBE VALVE球閥NEEDLE VALVE針型閥PLUG VALVE截止閥BALL VALVE球閥CHECK VALVE止逆閥STOP CHECK VALVE(BOILER NON-RETURN VALVE)帶手輪止逆閥THREE 0R FOUR VALVE三通或四通閥MULTI PORT PLUG多向切斷閥ANGLE VALVE角閥DUAL TANDEM BLOWNDOWN VALVES兩段排污閥RAN TYPE VALVER型閥T。