RMG 672

RMG 672 is a safety shut-off valve actuator. The actuator system is fitted with a diaphragm measuring device K 11a/1 as well as a column measuring unit K 11a/2. The amplifying mechanism reduces the voltage cap on the electro-pneumatic operating level as the output pressure increases and exceeds the maximum setpoint. The outlet strength is pneumatically modified to its highest value. If the outlet pressure continues to decrease, the pressure is taken automatically by the electro-pneumatic pressure stage.

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RMG 672

The regulated pressure is provided by the pulse line at the top of the highly sensitive dual-diaphragm system and correlates with the pressure of the fixed-point mechanism. The amplifier is placed in a normal operating environment. The tube configuration is depressurized by control of the voltage itself. The amp valve opens from the measuring line to the pressure converter when the line pressure increases to the given RMG 670 actuator over-pressure limit (or decreases to the underphrase limit of the RMG 671 actuator).



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