流程图图例一、阀门类:序号图例释义1常开闸阀(GATEVALVE)常闭闸阀(CLOSEDGATEVALVE)2常开球阀(BALLVALVE)常闭球阀(CLOSEDBALLVALVE)3常开截止阀(GLOBALLVALVE)常闭截止阀(CLOSEDGLOBALLVALVE)4单向阀(CHECKVALVE)5蝶阀(BUTTERFLYVALVE)6针阀(NEEDLEVALVE)7旋塞阀(PLUGVALVE)8角阀(ANGLEVALVE)9节流阀(CHOKEVALVE)10安全阀(PRESSURERELIEFVALVE)11控制阀(CONTROLVALVE)12关断阀(SHUTDOWNVALVE)二、泵类:序号图例释义1离心泵(CENTRIFUGALPUMP)2往复泵(RECIPROCATINGPUMP)3单螺杆泵(SINGELSCREWPUMP)MMMM4双螺杆泵(SINGEL-SCREWPUMP)5齿轮泵(GEARPUMP)MM三、容器和罐类:序号图例释义1清管球收发球器(PIGLAUNCHER/RECEIVER)2开排沉箱(CAISSON)3容器(VESSEL)4水力旋流器(HYDROCYLONE)5电脱水器(ELECTRODEHYDRATOR)6紧凑式气浮选(COMPACTFLOATATION)7溶解气浮选(DISSOLVEDGASFLOATATION)8干燥器(DRYER)9斜板除油器(CORRUGATEDPLATEINTERCEPTION)10管壳式换热器/冷却器(TUBE-SHELLEXCHANGER/COOLER)11板式换热器(PLATETYPEEXCHANGE)四、一般常用:序号图例释义1篮式滤器(PIGLAUNCHER/RECEIVER)2“Y”型滤器(“Y”TYPESTRAINER)3电加热器(ELECTRICHEATER)4撬内排放5开式排放(OPENDARIN6三通7阻火器(FLAMEARRESTER)8大气放空(VENT)9软管接头(HOSECONNECTOR)10化学药剂注入(CHEMICALINJECTION)11火炬(TIP)