Description
Bermad IR-430-50-KXZ Pressure Sustaining Valve
The Bermad Pressure Sustaining Valve is a hydraulically operated, diaphragm actuated control valve that sustains minimum preset upstream (back) pressure and opens fully when line pressure is in excess of setting.
It either opens or shuts in response to a remote pressure command.
Applications:
- Computerized Irrigation
- Line Fill-Up Control Solutions
- Line Emptying Prevention
- Infield Filters Backwash Pressure Sustaining
- Systems Subject to Varying Supply Pressure
- Distribution Centers
Line Pressure Driven, Hydraulically Controlled On/Off
- Prioritizes pressure zones
- Controls system fill-up
- Opens fully upon line pressure rise
AdvancedGlobeHydro-EfficientDesign
- 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-FriendlyDesign
- Easy pressure setting
- Simple in-line inspection and servic
Operation
The Shuttle Valve hydraulically connects the Pressure Sustaining Pilot to the Valve Control Chamber. The PSP commands the Valve to throttle closed should Upstream Pressure drop below setting, and to open fully when rises above setting.
Upon pressure rise command, the shuttle valve automatically switches, allowing pressurization of the control chamber, which causes the main Valve to shut.The Manual Selector enables local manual closing.
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