SIEMENS, Modulating refrigerant valves with magnetic actuator‚ PS43, M3FB..LX.. SIEMENS Modulating refrigerant valves with magnetic actuator‚ PS43 M3FB..LX.. Soldered connection‚ hermetically sealed •Modulating control valve for hot-gas applications for capacity control of refrigeration units and heat recovery systems •For organic safety refrigerants •AC 24 V operating voltage or power signal DC 0…20 V Phs (phase cut) •Selectable electrical interface ZM.. with DC 0…10 V, DC 4…20 mA or DC 0…20 V Phs positioning signal •High resolution and control accuracy •Short positioning time (< 1 s) •Port AB A closed when de-energized •Robust and maintenance-free •DN 15…32, kvs values 0.6…12 m3/h เลือกรูปแบบ