Description
The Dwyer SFI 100 3/4 is a reliable sight flow indicator designed for visual confirmation of fluid movement in piping systems. Part of Dwyer’s Series 100 Midwest line, this flow indicator helps technicians and engineers verify that liquids or gases are actively moving through a system without requiring electronic measurement tools.
Key Features
- 3/4″ NPT female connection fits standard threaded piping for easy installation in pipelines or hydraulic lines.
- Single viewing window with rotating impeller makes flow visible at a glance, enhancing diagnostics and system verification.
- Bronze body construction delivers durability and corrosion resistance in industrial, HVAC, and fluid handling applications.
- Tempered glass window provides clear visibility and robust service life.
- Rated up to 125 psi maximum operating pressure and compatible with a wide range of gases and liquids.
- Can be mounted horizontally or vertically depending on system layout.







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