品牌西博思型号NQ347公称通径DN（mm）压力环境PN（Mpa）类型(通道位置)直通式结构形式固定球球阀简单描述NQ系列347947F1.6～6.4MPa647DN150～500mm一一该球阀耐磨损、耐腐蚀、易启动，且具有自清洗功能，适用于输送浆体或有杂质液体的管道系统。耐磨球阀应用范围：1、设计、制造按GB12237-89的规定。2、结构长度按JB1686-75的规定或按GB12221-89和用户要求。3、法兰连接尺寸和密封型式按GB9113.3～GB9113.11-88的规定。4、阀门的试验与检验按ZBJ16006-90的规定。详细介绍主要外型尺寸：Majordimension尺寸mm公称公称通径DN压力MPaDD1D2D3ff1bz-dL1.61002201801563228-φ183901252502101843228-φ184101502852402123248-φ2250020034029526832612-φ2256025040535532033012-φ2662030046041037043012-φ2669035052047043043416-φ2676040058052548243616-φ3082045061058553244020-φ3090050071565058244420-φ3310002.51002351901563248-φ223901252702201843268-φ264101503002502123308-φ2650020036031027833412-φ2656025042537033533612-φ3062030048543039044016-φ3069035055049045044416-φ3376040058052548244816-φ3382045067060055545020-φ3690050073066061545220-φ3610004.01002351901563248-φ223901252702201843268-φ2643015030025020420434.5308-φ2650020037532026026034.53812-φ3056025045038531331334.54212-φ3362030051545036436444.54616-φ33690350580510422422455216-φ36760400660585474474455816-φ39820450685610524524456016-φ39900500755670576576456220-φ4210006.41002502001681503.54.5308-φ263901252952402021763.54.5348-φ3043015045025020420434.5388-φ3350020055034526026034.54412-φ3656025065040031331334.54812-φ3662030075046036436444.55416-φ36690)