RMG 658-DP Pilot for gas pressure regulators
Switching from electronic control (driven through the electrical-pneumatic control process) to the outlet pressure limit through the pneumatic control phase is autonomous and without major transfer effects in either direction.The pilot control stage contrasts the exit pressure at the top of the diaphragm with the setpoint adjusted. As the output level is usually lower than the maximum pressure collection, the amplifier valve is opened. Pressure Limiting Load is sent directly to the electrical pneumatic pressure stage.
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