PRODUCT INFORMATION
Bermad IR-430-55 Pressure Relief/Sustaining Valve
The Bermad Model IR-430-55 is a hydraulically operated, diaphragm actuated control valve that can fulfill either of two separate functions. When installed in-line, it sustains minimum preset upstream (back) pressure; alternatively, when installed as a relief or circulation valve, it relieves line pressure in excess of preset. The Bermad Model IR-430-55 either opens or shuts in response to an electric signal.
APPLICATIONS
- Downhill Supply Lines Emptying Prevention
- Systems with Various Pressure Regimes
- Line Fill-Up Control
- Backup for Reservoir Supply Valves
- Pump Overload and Cavitation Protection
- Pump Minimum Flow Safeguard
- Excessive Line Pressure Protection
FEATURES & BENEFITS
- Line Pressure Driven PSV Electrically Controlled On/Off
- Controls system fill-up
- Relieves excessive pressure protecting pump and system
- Switches between pressure regimes
- Wide range of pressures and voltages
- Advanced Globe Hydro-Efficient 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
- Simple In-Iine Inspection and Service
TECHINCAL DATA
The Needle Valve continuously allows line pressure into the Control Chamber. The Pressure Relief/Sustaining Pilot which senses Upstream Pressure and the Solenoid, together control outflow from the control chamber. The pilot throttles when drops below setting*. Pressure then accumulates in the control chamber causing the Valve to throttle closed maintaining at pilot setting, and eventually closing drip-tight. The pilot releases accumulated pressure when rises above setting, thereby causing the Valve to modulate open. Closing the solenoid shuts off the Valve.
LITERATURE
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Bermad IR-430-55 Pressure Relief/Sustaining Valve Brochure |
