Siemens Refrigerant valves M3FB..LX.. Modulating control valves with magnetic actuator for hot gas applications for capacitycontrol of refrigeration units and for heat recovery systems. FEATURES Quick positioning time (less than 1 second) High stroke resolution (> 1:200) and control accuracy Hermetically sealed Versatile electrical interface Port AB → A closed when de-energized Heavy-duty and maintenance-free Download PDF Now