Description
Pressure Reducing Valve with Solenoid IR-420-55-X
The Bermad Model IR-420-55-X Pressure Reducing Valve with Solenoid Control is a hydraulically operated, diaphragm actuated control valve. It reduces higher upstream pressure to lower constant downstream pressure, regardless of fluctuating demand, and opens fully upon line pressure drop.
The Bermad Model IR-420-55-X opens and shuts in response to an electric signal.
Applications:
- Pressure Reducing Stations
- Flow and Leakage Reduction
- Systems Subject to Varying Supply Pressure
- Energy Saving Irrigation Systems
- Source and “On Duty” Valves Management
- Pressure Zone Isolation
- Downhill Supply Lines
3-Way Hydraulically Actuated PRV
- Electrically Controlled On/Off
- Protects downstream system
- Opens fully upon line pressure drop
- Wide range of pressures and voltages
- Normally Open, Normally Closed or Last Position
Advanced Globe Hydro-Efficient Design
- Unobstructed flow path
- Single moving part
- High flow capacity
Fully Supported & Balanced Diaphragm
- Requires low opening and 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
Operations
The Shuttle Valve hydraulically connects the Solenoid or the Pressure Reducing Pilot (PRP) to the Valve Control Chamber. When the solenoid is closed, the PRP commands the Valve to throttle closed should Downstream Pressure rise above setting, and to open when falls below setting.
Should line pressure remain below setting – the Valve opens fully. In response to an electric signal, the solenoid switches, directing line pressure through the shuttle valve into the control chamber. This causes the Valve to shut
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