品牌:力士乐 | 规格: | 产地:德国 |
Vickers威格士DG4V32AMUD660
Vickers威格士DG4V32CMUD660
Vickers威格士DG4V36CMUD660
Vickers威格士DG4V31CMUDB660
Vickers威格士DG4V32NMUD660
Vickers威格士DG4V52CMUC620
Vickers威格士DG4V56CMUC620
Vickers威格士DG4V52CMUA620
Vickers威格士DG4V31CMUB660
Vickers威格士DG4V32CMUB660
Vickers威格士DG4V33CMUB660
Vickers威格士DG4V36CMUB660
Vickers威格士DG4V30AMUB660
Vickers威格士DG4V30BMUC660
Vickers威格士DG4V30BMUH760
Vickers威格士EEAPAM523A32
Vickers威格士EEAPAM533A32
Vickers威格士EEAPAM535A32
Vickers威格士EEAPAM553A32
Vickers威格士EEAPAM561A32
Vickers威格士EEAPAM568A32
Vickers威格士EEAPAM571A32
Vickers威格士EEAPAM541A32
Vickers威格士EHHAMP702C20
Vickers威格士EHHAMP702D20
Vickers威格士EHHAMP702J20不锈钢保温闸阀工作原理:转动手轮,通过手轮与阀杆的螺纹的进、退,提升或下降与阀杆连接的阀板,达到开启和关闭的作用闸阀具有以下优点:流体阻力小,密封面受介质的忡刷和侵蚀小。开闭较省力。介质流向不受限制,不扰流、不降低压力。形体简单,结构长度短,制造工艺性好,适用范围广。闸阀的缺点如下:密封面之间易引起冲蚀和擦伤,维修比较困难。外形尺寸较大,开启需要的空间,开闭时间长。结构较复杂。闸阔的种类,按密封面配置可分为楔式闸板式闸阀和平行闸板式闸阀,楔式闸板式闸阀又可分为:单闸极式、双闸板式和弹性闸板式;平行闸板式闸阀可分为单闸板式和双闸板式。