Sight Flow Indicators

Sight Flow Indicators are local visual indicators of flow rate. Viewing windows at economical prices that are easily replaceable and serviceable.

Series SFI-100 & SFI-300
Inexpensive Protection for Expensive Equipment and Systems

MIDWEST Sight Flow Indicator are a dependable service at economical prices. All types feature a removable window for easy service.
Series 500
Shows Level or Contents of Tanks, Pipelines; Tempered, Replaceable Glass Window

Sight Window has a tough tempered glass window that resists chemical attacks and abrasions. Applications include pressure vessels, coolant tanks, and oil reservoirs.
Series 550
Shows Level or Contents of Tanks, Pipelines; Fused Glass and Steel Construction

Sight Window has fused glass style sight windows which feature glass to metal bond for reliability. Windows are clear and flush with front face.
Series SFI-300F
Inexpensive Protection for Expensive Equipment and Systems

MIDWEST Sight Flow Indicator has a double window with no moving indicator and the window is removable for easy service and replacement.
Series SFI-400
Inexpensive Protection for Expensive Equipment and Systems

MIDWEST Sight Flow Indicator has a glass tube construction offering easy flow viewing. These models are manufactured of quality materials and safety tested to assure long, dependable service at economical prices.
Series SFI-700
Inexpensive Protection for Expensive Equipment and Systems

MIDWEST Sight Flow Indicator offer threaded process connections. Maintenance is simple with internal wipers. Economical.