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Flow Control Valve WW-770-U
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.
- 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.
