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  • WFDN Series Waterflow Detectors

    The System Sensor WFDN series is compatible with schedule 7 through 40 steel pipe, for sizes 2 in. through 4 in. and compatible with schedule 10 through 40 steel pipe, sizes 5 in. through 8 in., and can be mounted in a vertical or horizontal position.
  • Waterflow Detectors

    The WFD Series waterflow detectors provide a mechanical time delay that is adjusted via an adjustment wheel. This retard mechanism is field replaceable, as is the terminal block. System Sensor also offers several specialty waterflow detectors for unique applications.
  • Supervisory Switches

    The nerve centers of a fire sprinkler system are the switches and valves that control the entire system. System Sensor offers a variety of choices for supervising system control valves.
  • Pressure Switches

    System Sensorís line of pressure switches includes the EPS10 Series for use in wet, dry, deluge, and pre-action automatic sprinkler systems to indicate a discharge from a sprinkler. These models offer a choice of initiating low or high/low pressure monitoring alarms, in a variety of pressure ranges.
  • Explosion Proof

    The WFD-EXP line of explosion-proof waterflow detectors is intended for use in hazardous locations where volatile vapors or particulates may be present. System Sensor also offers a complete line of explosion-proof alarm and supervisory pressure switches.
  • Alarm Bells

    System Sensor alarm bells deliver high sound pressure output for fire signaling needs. Models are available for 120VAC and 24VDC operating voltages and are offered in 6-, 8-, and 10-inch sizes.
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