Fully comply with the national standard GB51251-2017 Technical Standard for Smoke Prevention and Smoke Exhaust Systems of Buildings.

Feed back on-site operating status to the monitoring host, and interlock with residual pressure detectors to regulate the pressure relief valve.

Powered by the local on-site fire power supply, enabling flexible construction of large-capacity residual pressure monitoring systems.

Monitor residual pressure for fire emergency evacuation and control the pressure relief valve to keep residual pressure within the safe range.

Support continuous adjustment of the opening angle of the pressure relief valve.

Installation Method: DIN rail mounting