Dwyer Midwest SFI-100 and SFI-300 Sight Flow Indicators

Series SFI-100 & SFI-300 Midwest Sight Flow Indicator offers threaded process connections, viewing windows, and bodies of brass or 316 SS. The SFI-100 type has a single window with a rotating impeller, the 300 type has a double window with a rotating impeller, the SFI-350 type has a double window with no moving indicator, and the SFI-360 type has a double window with a flapper.

• Manufactured of quality materials and safety tested to assure long, dependable service at economical prices
• All Series SFI-100, SFI-300 and SFI-300F feature a removable window for easy service and replacement of wearing parts
• Window: Tempered glass; Body: Bronze or 316 SS; Gasket: Buna-N, fluoroelastomer or PTFE; Indicator: ABS or 316 SS impeller (100 and 300), 304 SS or 316 SS flapper (360)

Model Selection Guide

Use this table to find the right model for your application.  Don't see the material or style you need? Call a Lesman sales specialist at 800-953-7626.