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    Series AFS Adjustable Flow Switch

    Adjustable Flow Switch
    For Oils, Water and Gases, Infinite Adjustments

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    Series AFS Adjustable Flow Switch

    For Oils, Water and Gases, Infinite Adjustments

    The SERIES AFS Adjustable Flow Switches are externally adjustable piston-type flow switches for oils, liquids and gases. This Series offers an infinite number of flow settings from 0.5 to 20 GPM.

    Product Applications

    • Protecting machine tools from coolant flow failure
    • Protecting bearings from loss of lubricant
    • Assuring proper air flow
    • Water or compatible liquid control
    • Oil flow control
    • Control of gas flows
    Service: Compatible gases or liquids.
    Wetted Materials: Housing and Piston: See model chart; Spring: 316SS; O-ring: Fluoroelastomer; Other: Epoxy.
    Temperature Limits: -20 to 300°F (-29 to 149°C), -20 to 225°F (-29 to 107.2°C) with polysulfone piston.
    Pressure Limit: 1000 psi (68 bar).
    Accuracy: ±10% of setpoint.
    Repeatability: ±1% maximum deviation.
    Switch Type: SPDT.
    Electrical Rating: .17 A @ 120 VAC, .08 A @ 240 VAC, .13 A @ 120 VDC, .06 A @ 240 VDC.
    Electrical Connections: 18 AWG, 24" (61 cm), polymeric lead wires, optional 1/2" male NPT conduit connection.
    Process Connection: 1/2" female NPT ports.
    Mounting Orientation: Any.
    Setpoint Adjustment: Liquids: 0.5 to 20 GPM (1.9 to 75.7 LPM); Gases: 1.0 to 75 SCFM (28 to 2124 LPM) at 5 psig.
    Required Filtration: 50 microns or better.
    Weight: 2 lb, 11 oz (1.22 kg).
    Agency Approval: CE.
    • Externally adjustable flow set point
    • Offers a number of flow settings at pressures up to 1000 psig, with low pressure drop and precise repeatability