Pressure Relief / Sustaining Valve
830
800 Series
Waterworks
Pressure relief/sustaining hydraulically operated control valve that can fulfill either of two separate functions: When installed in-line, it sustains minimum pre-set, upstream (back) pressure regardless of fluctuating flow or varying downstream pressure. When installed as a “branched from the line” circulation valve it relieves excessive line pressure when above maximum pre-set.
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Robust structure, piston actuated – High pressure service
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Line pressure driven – Independent operation
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Elegant simplicity
- Cost effective
- Simple to maintain
- Minimal external accessories
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In-line serviceable - Easy maintenance
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Double chamber design
- Moderated valve reaction
- Moderated closing curve
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Flexible design - Easy addition of features
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Semi-straight flow – Non-turbulent flow
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Stainless Steel raised seat - Cavitation damage resistant
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Obstacle free, full bore – Uncompromising reliability
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V-Port throttling plug (optional) - Very stable at low flow
Typical Applications
- Water delivery system - Prioritizing upstream over downstream demand
- Pumping stations - Ensure operating point on pump curve
- Pumping stations - Circulation during low demand
- Filtration system ‑ Sustaining minimum pressure for efficient backflush
How 830
is used in
Smart pressure & flow control for efficient, reliable water networks.
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Optimizing pumps operation, surge & cavitation protection, air control and metering for efficient, safe and reliable water supply.
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Protecting water system components & pipelines from pressure surges during power failure with advanced & cost efficient surge protection solutions.
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Pressure Relief / Sustaining Valve
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