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Differential Pressure Sustaining Valve WW-736
The Model 736 Differential Pressure Sustaining Valve is a hydraulically operated, diaphragm actuated control valve that sustains minimum pre-set, differential pressure between two points regardless of fluctuating flow or varying upstream pressure.
- Line pressure driven – Independent operation
- Balanced seal disk – High relief flow capacity
- 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 Applications
In filtration systems there are two cases when by-passing the filter is essential:
- Blocked filter (potentially causing element collapse)
- Demand for emergency fire water
The Model 736, installed as a by-pass, progressively compensates for excessive demand. Adding feature “S” incorporates alarm signaling attribute.
