Control valve for backwash of filter/two-position three-way vave:
Size for back wash: DN80
Side for Outlet/access: Dn125-Dn200

Control valve for backwash of filter/two-position three-way vave

 

Hydraulic control valve for full automatic backwash filtering system will be

driven by the pressure of pipeline system and can carry out two-position three-way

valve switch and can realize backwash of filter automatically. Its structure is simple

and its reliability is high.It can be run for a long time without maintenance.The driven structure of diaphragm needs short stroke to change the direction of stream stably. When backwash inlet is opened and the water inlet is closed.vice verse.It can avoid overflow of filter or mixing

of clean water and waste water.

 

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