人人操人人干人人摸_精品一区二匹_黄色18_午夜操逼 视频

人人操人人干人人摸_精品一区二匹_黄色18_午夜操逼 视频

人人操人人干人人摸_精品一区二匹_黄色18_午夜操逼 视频_国产超碰人人爽人人_成人全黄A片免费_青青在线肏

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    • Miniature solenoid valve

      Miniature solenoid valve

      B11ZT Low pressure solenoid valve

      B11ZT Low pressure solenoid valve

      B11Z micro solenoid valve is widely used in petrochemical, electrical,mechanical, medical, scientific research, filling, building, combustionengine, pipeline medium automatic control and other fields.

      • Quality
      • Price
      • Fast
      Complete solenoid valve solution
      Salse:+86-577-86989863 13456060066
      Fax:+86-577-86920866
      Service:+86-577-86926655 85857018
      • Summary
      • Model
      • Parameter

      Application

      B11Z micro solenoid valve is widely used in petrochemical, electrical,mechanical, medical, scientific research, filling, building, combustionengine, pipeline medium automatic control and other fields.

      Features

      Small size; Exquisite type; Zero pressure start, quick switch andgood sealing. Autocratic coil, not easy to destroy; It is suitable forsmall caliber and low pressure pipeline system.

      Principle

      It is a kind of direct pulling principle. When there is no pressure .difference between the inlet and outlet, the electromagnetic forcelifts the movable valve core directly upward after power is applied, .the valve port opens and the medium passes through. After thepower is cut off, the moving valve core closes the valve portdownward under the action of spring force and medium pressureto cut off the fluid medium.

      人人操人人干人人摸_精品一区二匹_黄色18_午夜操逼 视频

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