Dwyer In-Line Flow Alarm, Series HFO
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Series HFO In-Line Flow Alarm

Brand: Dwyer Instruments, LLC

The Series HFO In-Line Flow Alarms provide continuous monitoring and control of flow rate levels.

The flow alarm can be configured to open or close a contact for an increasing or decreasing set point.

Available in 1/4˝, 1/2˝, 1˝ or 1-1/2˝ female NPT process connections, in aluminum, brass or 304 SS body.
Features
  • Provides two 10 A SPDT limit switches with field adjustable alarm settings for application control and integral direct reading scale provides local indication of flow rate
  • Increased application versatility with no inlet or outlet straight plumbing requirement and can be mounted horizontally, vertically, or inverted
  • Outdoor or harsh environment installation capable with rugged cast aluminum construction and NEMA 4X (IP65) enclosure

Specifications

Brand

Accuracy

  • ± 2 % of Full Scale

Enclosure, Body Material

  • 304 Stainless Steel
  • Aluminum
  • Brass

Environmental Protection

  • IP66
  • NEMA 4X

Flow Rate

  • 0.2 to 50 gpm (1 to 190 LPM)
  • Air: 2 to 23 scfm (1 to 10 SLPS)

Media

  • Compatible Gases
  • Compatible Liquids

NPT Connection

  • 1" NPT Female
  • 1/2" NPT Female
  • 1/4" NPT Female
  • 1-1/2" NPT Female
  • 3/4" NPT Female

Pressure Range

  • psig: 600 to 6,000 (kPa: 4,137 to 41,370, bar: 41 to 413.7)

Repeatability

  • ± 1 % of Full Scale

Seat / Seal Material

  • Buna-N
  • Fluoroelastomer

Switch Type

  • SPDT, 10 A at 250 Vac, 0.5 A at 125 Vdc, (Resistive)

Temperature Range

  • 76° C (170° F)

Wetted Materials

  • 304 Stainless Steel
  • PTFE-Coated Alnico - Magnet

  • Waste Water Processing
  • Lubrication Systems
  • Process Control
  • Solar Systems
  • Drain Lines
  • Pump Testing

Documentation

Catalogs

Manuals

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