- Hydraulics - Pneumatics
- Valve
- Diaphragm valve
- BERMAD CS Ltd
Diaphragm valve IR-423-3W-RXZhydraulically-operatedpressure-reducingpressure sustaining
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Characteristics
- Type
- diaphragm
- Operation
- hydraulically-operated
- Function
- pressure-reducing, pressure sustaining
- Applications
- for pipes
- Associated function
- reducing, for filling applications
- Other characteristics
- low-pressure
- DN
Min.: 25 mm
(0.984 in)Max.: 400 mm
(15.748 in)- Pressure
Min.: 0.2 bar
(2.9 psi)Max.: 16 bar
(232.1 psi)- Flow rate
Min.: 3 m³/h
(105.94 ft³/h)Max.: 2,000 m³/h
(70,629.33 ft³/h)
Description
Overview
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 a minimum preset upstream pressure regardless of fluctuating flow or varying downstream pressure, and it prevents downstream pressure from rising above a maximum preset regardless of fluctuating flow or excessive upstream pressure.
Features & Benefits
Typical Applications
Additional Features
Technical Characteristics / Specifications
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 a minimum preset upstream pressure regardless of fluctuating flow or varying downstream pressure, and it prevents downstream pressure from rising above a maximum preset regardless of fluctuating flow or excessive upstream pressure.
Features & Benefits
- Line Pressure Driven, Hydraulically Controlled
- Prioritizes pressure zones
- Protects lower pressure zones
- Controls system fill-up
- Prevents pipeline emptying
- Protects pumps 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 performance
- 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
Technical Characteristics / Specifications
- Model: IR-423-3W-RXZ
- Series: 400 Series
- Product type: Pressure Reducing & Sustaining Valve (hydraulically operated, diaphragm actuated)
- Control: 3-way control with manual selector and metal control accessories
- Primary functions: sustain minimum upstream pressure; prevent downstream pressure exceedance of preset maximum
- Design highlights: hydro-efficient globe design; fully supported & balanced diaphragm; unobstructed flow path; single moving part
- Typical uses: infield control heads, distribution lines, filter backwash, pump circulation and pressure management systems
- Internal product barcode (page): 26208
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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.
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