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MIDWEST Sight Flow Indicator
1/2" NPT Brass Sight Flow Indicator
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- 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
SFI-700-1/2 Model Options
View all modelsEdit these specs to order a different model. Not all combinations are valid. Options compatible with previous selections will be in bold.
*Highlighted options are not compatible. Please select a different combination.
Flow Range
Wetted Materials
Process Connection Type
Process Connection Size
Max Operating Pressure
WARNING: This product can expose you to , a chemical known to the State of California to cause . For more information go to www.P65Warnings.ca.gov.
- Compliance CE, cULus.
- Wetted Materials Tube: tempered borosilicate; Body: brass or 316 SS; Gasket: fluoroelastomer; Indicator: acetal.
- Connections Threaded.
- Electrical Rating 5 A @ 120/240 VAC resistive; 5 A @ 30 VDC.
- Electrical Connections Screw type terminal block. Accepts 22-12 AWG wire.
- Enclosure Rating Designed to meet NEMA 4X (IP66).
- Power Requirements 24 VDC / 24 VAC 50/60 Hz 4 W.
- Pressure Limit 230 psig (15.86 bar).
- Mounting Orientation Gage face in vertical position.
- Process Connections Barbed for 3/16" ID tubing (STD); 1/8" male NPT (optional).
- Service Compatible gases and liquids.
- Size 4-1/8" (104.78 mm) depth x 3-1/16" (77.79 mm) diameter.
- Set Point Adjustment Push buttons.
- Standard Accessories (2) mounting screws, (1) .050" hex allen wrench.
- Switch Type (2) SPDT relays.
- Temperature Limit 212°F (100°C).
- Weight 23 oz (652 g).
Series 700 Sight Flow Indicators are manufactured of quality materials and safety tested to assure long, dependable service at economical prices. The 700 Series offer threaded process connections, tube style viewing, and bodies of brass or 316 SS. Featured in the 700 is a bright red Acetal rotating impeller that is easy to view from any angle with the glass tube construction. Maintenance is simple with internal wipers, just rotate the glass tube and restore visibility without disrupting the flow.
