Dwyer Sight Flow Indicators and Transmitters

Easily view flow indicator through clear plastic housing
  • Models with 1 to 10 VDC output offer local and remote indication
  • No magnets in the rotor to attract ferrous materials
  • Output sensors can be added and replaced in the field without removing body from the process line
Sight flow indicators are a low-cost, durable rotor-style flow indicator. Choose from models that provide basic visual flow indication or models with output for remote flow monitoring. Units are constructed of clear plastic, enabling 360° viewing of the spinning rotor for easy flow indication. Models constructed of polysulfone (PSF) have excellent chemical compatibility, high pressure and temperature ratings, and all wetted materials are FDA compliant/NSF rated for potable water applications. Models that are polycarbonate (PC) are constructed of UV-stabilized material making them ideal for outdoor applications (these models are not FDA compliant/do not have NSF rating).

Easily replace or switch outputs — install onto an existing indicator body in the field without any tools. Any sensor can be used with any flow indicator.
$52.85USD / Each

2 variations of this product are available.

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2 PRODUCT OPTIONS
Compareitem specifications
Max Flow Rate (GPM) Pipe Size Wetted Materials
Availability Pricing
Dwyer SFI-800-3/4 Sight Flow Indicator, 3 To 35 GPM; PSF Body With 3/4" NPT(F) Connections EW-32779-44 Mfr # SFI-800-3/4
COMPARE
35 3/4" NPT (F) PSF
$52.85USD / Each
Dwyer SFI-801-3/4 Sight Flow Indicator, Clear PC, 3 to 35 GPM, 3/4" NPT(F) EW-32779-52 Mfr # SFI-801-3/4
COMPARE
35 3/4" NPT (F) PC
$52.85USD / Each
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