Sentry Cobra SFLI-3 Level Indicator

Part #
Cobra SFLI-3

The Sentry Cobra SFLI-3 level indicator allows operators to visually monitor and confirm flow within a low-emission closed-loop sampling process, without disrupting the process.

The Cobra SFLI-3 level indicator can be used for hydrocarbon and water-based liquids.

The Cobra SFLI-3 level indicator offers a simple and safe method to view liquid within a process, without interruption of the process. Unlike some other products on the market, it is a cost-effective, readily available solution that will not leak, assuring safety as well as the ability to obtain representative samples.


  • ANSI 900 rating
  • 316 stainless steel material
  • Borosilicate glass
  • 1/4 in FNPT connections
  • Large viewing window
More Information
Maximum Process Pressure 2200 psig at 100°F (150 barg at 38°C)
Process Temperature 350°F (177°C)
Wetted Materials 316 Stainless Steel, borosilicate glass
Process Connections 1/4 in FNPT


Visually monitor sample stream flow and level of liquid, without disrupting the sampling process.

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