Pressure Relief / Sustaining Valve
430
400 Series
Buildings &
Construction
Construction
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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- Line pressure driven – Independent operation
- High performance control trim
- High stability and accuracy at wide flow range
- Drip tight sealing
- Flexible design - Easy addition of features
- Advanced globe hydro-efficient design
- Unobstructed flow path
- Single moving part
- Non-turbulent flow
- High flow capacity
- Fully supported & balanced diaphragm
- Excellent low flow regulation performance
- Progressively restrains valve closing
- Prevents diaphragm distortion
- In-line serviceable
- Easy maintenance
- Minimal down time
Typical Applications
- Pumping stations - Pump circulation valve
- Pumping stations - Sustains pump discharge pressure, preventing pump overload and cavitation damage caused by excessive demand
- Water delivery system - Maintaining upstream pressure during pressure drop
- Water delivery system - Prioritizing upstream over downstream demand
How 430
is used in
Safe, continuous drinking water with smart pressure solutions.
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Pressure Relief / Sustaining Valve
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