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  • The Model 770-U Flow Control Valve is a hydraulically operated, diaphragm actuated control valve that maintains pre-set maximum flow, regardless of fluctuating demand or varying system pressure.

    Product Features & Benefits

     

    • Line pressure driven – Independent operation
    • Hydraulic flow sensor (upstream installation)
      • No moving parts
      • No electronic components
      • No need for flow straightening
    • In-line serviceable – Easy maintenance
    • Double chamber design
      • Moderated valve reaction
      • Protected diaphragm
    • Flexible design – Easy addition of features
    • Variety of accessories – Perfect mission matching
    • “Y” or angle, wide body – Minimized pressure loss
    • Semi-straight flow – Non-turbulent flow
    • Stainless Steel raised seat – Cavitation damage resistant
    • Obstacle free, full bore – Uncompromising reliability
    • V-Port Throttling Plug – Low flow stability

     

    Typical Application

     

    Distribution Networks

     

    System design starts from expected flow range that determines major system components:

    • Pump stations: Characteristics, location, quantity
    • Supply lines: Layout, class, size
    • Reservoirs: Location, volume, head

     

    Significant deviation from designed flow range might disrupt water supply or even damage system components. Appropriate design, placement, and use of the Model 770-U protects the system from excessive flow. When pressure reducing is also required, choosing the Model 772-U, instead of the Model 770-U, completes the solution.

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