设计制造Designandmanufacture:JB/T8691-1998结构长度structurallength:GB/T15188.2-94法兰连接Flangeconnection:GB/T9113.1-2000JB/T79-94试验与验收testingandacceptance:GB/T13927-92主要零部件材质Keypartsmaterial阀体、上盖Valvebody,uppercap碳钢、不锈钢Carbonsteel,stainlesssteel阀板Valveplate不锈钢stainlesssteel阀杆Stem不锈钢stainlesssteel密封圈Sealring橡胶、四氟、不锈钢、硬质合金Rubber,PTFE,stainlesssteel,hardalloy主要性能规范Keyperformanceindicators公称压力NominalpressurePN壳体试验Casingtest1.5XPN密封试验Leaktest1.1XPN工作温度Operatingtemperature橡胶≤80℃四氟密封≤180℃硬密封≤425℃Rubber≤80℃,PTFE≤180℃,hardsealing≤425℃适用介质Workingmedium糖浆、纸浆、污水、煤浆、灰、渣水混合物Syrup,paperpulp,sewage,coalslurry,dust,slag-watermix主要外形及连接尺寸Profileandconnectiondimension单位Unit:mm公称压力Nominalpressure(MPa)公称通径Nominalthroughdiameter（mm）LDD1D2HN-MD01.050481601251002854-M1618065481801451202984-M1618080501951601353154-M16220100502151801553658-M16220125572452101854008-M16230150572802402104758-M20280200703352952655408-M203602507039035032063012-M203603007644040036878012-M204003507650046042988516-M204004008956551548299016-M2240045089615565532110020-M22530500114670620585120020-M22530600114780725685145020-M27600700130895940800170024-M276008001301010950905200024-M30680900140111010501005230028-M30680)