영흥인스트루먼트(주)SINCE 1971

MIDWEST SIGHT FLOW INDICATORS

Inexpensive Protection for Expensive Equipment and Systems

The Series SFI Midwest Sight Flow Indicator is a Series of sight indicators which display flow or contents of pipelines.

Available in window viewing style in the SFI-100 and SFI-300 Series and tube viewing style in the SFI-400 and SFI-700 Series with connection choices of female NPT, BSPP or BSPT threaded and flanged.

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.

Series SFI-300F Midwest Sight Flow Indicator offers ANSI flange process connections, double viewing windows, and bodies of carbon steel or 316 SS. The SFI-350F type has a double window with no moving indicator and the SFI-360F type has a double window with a flapper. 

Series SFI-400 Midwest Sight Flow Indicator offers threaded or ANSI flanged process connections, tube style viewing, and bodies of cast iron or 316 SS.

Series SFI-700 Midwest Sight Flow Indicator offers threaded process connections, 

tube style viewing, and bodies of brass or 316 SS. 

FEATURES/BENEFITS

• 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

• The Series SFI-400 features glass tube construction offering easy flow viewing from any angle

• Series SFI-700 offers an easy to see bright red Acetal rotating impeller that is easy to view from any angle with the glass tube construction

• Maintenance is simple for the Series SFI-700 with internal wipers which restore full 360° visibility by simply rotating the glass tube without disrupting the flow

APPLICATIONS

• Hydraulic tanks

• Pressure vessels

• Coolant tanks

• Hydraulic lines

• Oil reservoirs