Pressure Reducing & Sustaining Valve
With 3-Way Control, Manual Selector & Metal Control Accessories
IR-423-3W-RXZ
400 Series
Irrigation
The BERMAD Model IR-423-3W-RXZ Pressure Reducing and Sustaining Valve is a hydraulically operated, diaphragm actuated control valve with two independent functions. It sustains minimum preset upstream pressure regardless of fluctuating flow or varying downstream pressure, and it prevents downstream pressure from rising above maximum preset regardless of fluctuating flow or excessive upstream pressure.
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- Line Pressure Driven, Hydraulically Controlled
- Prioritizes pressure zones
- Protects lower pressure zones
- Controls system fill-up
- Prevents pipeline emptying
- Protects pump from overload and cavitation
- Compensates during groundwater drawdown
- Protects downstream systems
- Advanced Hydro-Efficient Globe Design
- Unobstructed flow path
- Single moving part
- High flow capacity
- Fully Supported & Balanced Diaphragm
- Requires low actuation pressure
- Excellent low flow regulation performances
- Progressively restrains valve closing
- Prevents diaphragm distortion
- User-Friendly Design
- Easy pressure setting
- Simple in-line inspection and service
- Easy addition of control features
Typical Applications
- Line Fill-Up Control Solutions
- Filter Backwash Pressure Sustaining
- Pump Circulation Systems (with Orifice)
- Pressure Reducing Systems
- Line Emptying Prevention
Additional Features
- F : Large Control Filter
- I : Position Indicator Assembly
- M : Flow Stem
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Pressure Reducing & Sustaining Valve
IR-423-3W-RXZ
