-4.0-DN350,PBQ340F-4.0-DN400,PBQ340F-4.0-DN450,
PBQ340F-4.0-DN500,PBQ340F-4.0-DN600,PBQ340F-4.0-DN40,PBQ340F-4.0-DN50,PBQ340F-4.0-DN65,PBQ340F-4.0-DN80,PBQ340F-4.0-DN100,PBQ340F-4.0-DN125,PBQ340F-4.0-DN150,
PBQ340F-4.0-DN200,PBQ340F-4.0-DN250,PBQ340F-4.0-DN300,PBQ340F-4.0-DN350,PBQ340F-4.0-DN400,PBQ340F-4.0-DN450,PBQ340F-4.0-DN500,PBQ340F-4.0-DN600,
PBQ34OF侧装式偏心半球阀产品用途
PBQ34OF侧装式偏心半球阀利用偏心阀体,偏心球体和阀座,阀杆作旋转运动时在共同轨迹自动定心,关闭过程中越关越紧,完