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Device which supplies a preset and constant ¬Å“downstream¬ pressure value (within the intended operating limits) when the inlet pressure and/or the flow rate changes
425 = DN50
or for gas trains at forced draft burners
Dungs MBZRDLE 410 B01 S22
550A9 Actuator
Siemens LME21.230C2 230v Burner Control Box aux_switch_yes Device which supplies a presetTechnical Specifications: Siemens LME21. 230 C2 Controls 2 stage burners without actuator control Supply Voltage: 240V Waiting time: 2. 5s Prepurge time: 20s Safety time: 3s Preignition time: 2s Specified time for air pressure signal: 5s Siemens LME21. 230 C2 Dimensions
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