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    FLOAT SWITCH
    float Switch
    TYPE : 38SFS
    SUPERFREEZE Float switch, type 38SFS is an electro mechanical float switch designed to provide a reliable, electro- mechanical response to liquid level changes. The simple and rugged design ensures long life performance and reliable operation for many usages such as,
    1. Level control by liquid fill solenoid valve
    2. High level cut-out or alarm
    3. Low level cut-out or alarm
    4. Low level pump cut-out
    5. Level control by liquid exit solenoid valve
    6. Level indication by pilot light
    7. Transfer drum operation
    The design incorporates a mechanical float which will operate in the refrigerant. When the set level is reached an electrical volt free micro switch will be activated.
    FEATURES
    • Based on SUPERFREEZE float type 38SLC
    • DIN, ANSI and FPT / NPT flanges
    • Switch assembly can be rotated at 360` for easy installation.
    • Adjustable liquid level differential switch point
    • Electro magnetic micro switch, mechanically activated.
    • The complete switch box can easily be replaced with out any interference with refrigeration system
    • Switch box supplied with DIN plug for ease of installation and service
    • Counter flanges are included.
    SPECIFICATIONS
    Refrigerants : R-717 (Ammonia), R-12, R-22, R-502 etc.
    Safe operating pressure : 406psig (28bar)
    Operating temperature range : -50oC to +65oC.
    Liquid level differential : variable between 12.5mm to 50mm (1/2 to 2) in 12.5mm (1/2) increments
    Normally Open (NO) and Normally Closed (NC) function
    Enclosure : IP65
    APPLICATIONS
    • Liquid over-feed accumulators.
    • Flooded surge drums
    • Flooded shell & tube chillers
    • High and low pressure receivers.
    • Inter coolers
    • Use as low/high level safety switch to protect circulating pumps / compressors.
     
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