RMG 372 Gas pressure regulator
The measuring diaphragm of the control stage detects the current outlet pressure pd and compares it to the pd spring target. If this correlation detects any deviations from the regulated pressure, the system will change the fixed pressure in order to adjust the output pressure (actual value) to the defined point by adjusting the opening position of the throttling diaphragm. If the flow rate is zero, the unit screens are bubble-tight. The RMG 372 gas pressure controller can be supplied with or without a functional safety shut-off unit (SSV). The actuator regulates the pd gas level regulator which allows the SSV to shut down in case of overpressure (or possibly underpressure).
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