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Level watch LW4 and LW5 liquid level control LW4 and LW5 are self-contained units intended for liquid level monitoring and control at the sight glass connection of vessels, maintaining a permanent visibility of the liquid level versus other liquid level sensors. Features • LW4 for liquid CO2, HFC refrigerants and oil (MWP: 60 bar) • LW5 for liquid CO2 and oil (MWP: 130 bar) - CO2 optimized gasket material, not released for HFCs - Adapters with CO2 optimized gasket material • Two versions of each model: - LW4/5-H for high liquid level monitoring - LW4/5-L for low liquid level monitoring • 3 Zone Level Control by using precise Hall-sensor measurement, not prone to errors by foaming or light like optical sensors • Alarm, status and 3 zone indication by LED’s • Dual monitoring and protection: • 24V output signal for critical liquid levels • SPDT output contact for alarming (230VAC / 3A) at very low liquid levels • SPDT output contact for alarming, rating 230VAC / 3A • Easy installation by sight-glass replacement and front LW4 side mounting without nuts • Supply 24V AC, 50/60Hz LW5 • CE marking under Low Voltage and EMC Directive Product selection LW4 – max. allowable pressure: 60 bar (select one item of each group) 1. Base units 2. Adapter flanges/Maximum allowable pressure: 60 bar 3. Plug and cable assembly for digital output signal 4. Plug and cable assembly for power Supply 24VAC Type Part no. Function LW4-L120 805490 Low liquid level monitoring LW4-H120 805491 High liquid level monitoring Type Part no. Description/size LW0-1/2 805256 Thread adapter 1/2”-14 NPTF OM0-CCA 805039 Thread adapter 3/4“-14 NPTF OM0-CBB 805038 1-1/8“-18 UNF OM0-CCB 805040 1-1/8“-12 UNF OM0-CCD 805042 Rotalock adapter 1-3/4”-12UNF OM0-CCE 805043 1-1/4”-12UNF OM0-CUA 805037 Flange adapter 3- / 4-hole Type Part no. Cable length OM3-N30 805141 3m OM3-N60 805142 6m OM3-N100 805146 10m Type Part no. Cable length LW-24V-3 805500 3m LW-24V-6 805501 6m LW-24V-10 805502 10m Note 1: Corresponding sealing parts are included and need not to be ordered separately. 49PDF Image | CO2 Product Guide 2021
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CO2 Organic Rankine Cycle Experimenter Platform The supercritical CO2 phase change system is both a heat pump and organic rankine cycle which can be used for those purposes and as a supercritical extractor for advanced subcritical and supercritical extraction technology. Uses include producing nanoparticles, precious metal CO2 extraction, lithium battery recycling, and other applications... More Info
Heat Pumps CO2 ORC Heat Pump System Platform More Info
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