阀门符号说明

ADJUSTABLE STOOLALLOYANGLE&CHANNELAREAASMEASTMBALL VALVEBARE PIPEBB(BOLTED BONNET)BC(BOLTED COVER)BE(BEVELLED END)BEAMBL(BLIND FLANGE)BRACKETBRONZEBUTTERFLY VALVEBW(BEVELLED WELD)C(COLD INSULATION)CAPCARBON CONTENTCHECK VALVECL(CLASS)CLAMPCONNT TOCORNER TYPECOUPLINGCS(CARBON STEEL)DEG(DEGREE)DGN(DESIGN)DOWNDUMMY PIPEE(EAST)E(ELECTRICAL TRACING)E/NEFWELELBOWEPDMEQUAL TEEEQUIPMENTERECTIONERWEXPANSION JOINTFABRICATIONFLANGEFLAT SIDE DOMNFORGEFP(FULL PORT)FULL THRDEDF-WDGG.OGALV.GATE VALVEGLOBE VALVEGRAPHITEGUIDE SHOEGUIDE STOPPER SHOEH SHAPE可调支耳合金角钢/槽钢区域美国机械工程师学会标准美国材料与试验协会标准球阀裸管螺栓连接型阀盖螺栓连接型阀帽坡口端梁盲法兰悬臂支架铜蝶阀对焊保冷管帽碳含量止回阀等级管夹连接到L型（支吊架）管接头碳钢度设计在下面、向下假管东电伴热东/西坐标电熔焊标高弯头三元乙丙橡胶等径三通设备安装电阻焊膨胀节预制法兰平面在下面锻制通径全螺纹柔性闸板齿轮操作镀锌闸阀截止阀石墨导向管托导向限位型管托H型钢HEAVY NUTHF(HARD FACE)HORIZONTALHQ STDHW-STEM N 45.0 UHW-STEM W 50.0 SIMPORTINNER/OUTER RINGINSTRUMENTINSULATIONISRSITEMKCSLCLENGTHLINELJ(LAP JOINT)LOLR(LONG RADIUS)LTCSLUGMATERIALMAX.MFR(MANUFACTUER)MIN.MISCELLANEOUSMONELMSSN(NO INSULATION)N(NORTH)NACENCNIPPLENIPPOLETNOTENOZZLENPDOFFSETOPERATE CLOSEOPERATE OPENORIENTOS&YPEPERPIPIECEPIPEPIPE SUPPORTPISTONPPPRES(PRESSURE)PTPTFEPWHTREDUCER CON.REDUCER ECC.REDUCING TEEREINFORCING PAD重型螺母硬质合金面水平的寰球院标准阀杆北偏上45度阀杆西偏南50度进口（材料）内/外环仪表保温明杆内螺纹项、件镇静碳钢锁关长度管线松套式连接锁开长半径低温碳钢凸耳式材料最大制造厂最小、最少混合型的蒙乃尔铜-镍合金美国阀门和管件制造厂标准化协会标准不保温北美国腐蚀工程师协会标准正常关短节短管支管台注释管嘴公称管径偏置操作关操作开朝向支架式明杆外螺纹平端按照压力指示片管子管支架活塞式人身防护压力压力变送加强聚四氟乙烯焊后热处理同心异径管偏心异径管异径三通补强板H(HOT INSULATION)RINGRJRUN PIPES(SOUTH)S10S4S63WSCHSCRDSEE ISOSHEETSLIDE LUGSLIDE SHOESLIDE STOOLSLIDE STRAPSMLSSNUBBERSOCKLETSOFT IRONSP(SHORT PATTERN)SPACER&BLANKSPECIALSPECIFICATIONSPECTACLE BLINDKSPIRAL WOUND GASKETSPRING SUPPORTSPT-WDGSR(SHORT RADIUS)SS(STAINLESS STEEL)STANCHIONSTD.STEAM TRAPSTOP VALVESTOPPER SHOESTRAIGHT PIPESTRAINERSTRAPSTRUCTURESTUB ENDSTUD BOLT/HEX. NUTSV(SAFETY VALVE)SWSWAGES-WDGTAIL SOUTHTAIL UPTETEFLON SLIDE PLATETEMP(TEMPERATURE)THRD(THREADED)TITIGHT SHOETRIM.TRUNNIONTTU/GUPV/D(VENT/DRAIN)VALVE保温环环连接主管南中压蒸汽伴热低压蒸汽伴热南偏西63度壁厚系列螺纹接至…单线图页导向支耳滑动管托滑动耳轴导向型管夹无缝减振器承插支管台软铁短型插板/垫环特殊的规范、标准8字盲板缠绕垫片弹簧架分体楔式短半径不锈钢支柱标准蒸汽疏水阀切断阀限位型管托直管过滤器管夹结构突缘短节双头螺栓/六角螺母安全阀承插焊锻造楔形单闸板尾部向南尾部向上螺纹端聚四氟乙烯滑动板温度螺纹温度指示固定型管托阀芯耳轴温度变送地管向上、在上面放空/排净阀门RF/RFFEW(WEST)W27SRING-JOINTGASKET(OVAL)WAFERWELDWELDOLETWN(WELDING NECK)Y-GLOBE VALVE突面法兰端西西偏南27度环连接椭圆垫圆片焊接焊接支管台带颈对焊Y型截止阀VERTICALW(HOT WATER TRACING)垂直的热水伴热