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INTRODUTION

The ISV series line sution filter is composed of aluminium alloy bowl, element, bypass vavle and visual

 indictrical. It is light in weight and strong. This series filter has festure as follows:

a) Visual indicator: when filter element is clogged by contaminants, the red sigal of visual indicator will

 be risen showly, the element should be changed or cleaned when the red signal rises to the topposition.

 Push the restores to allow the red sigal ring downfall after changing or cleaning element.

b) Electrical indicator: when filter element is clogged by contaminants,and the vacuum pressure reaches

0.018Mpa in filter outlet, the electrical indicator will act anf indicate that the element shoule be changed

or cleaned in that time.

c) Bypass valve: when the vacuum pressure reaches 0.02Mpa, the bypass valve will automatically open

 to protect the pump safty.