Series SFI-700 MIDWEST Sight Flow Indicator
Inexpensive Protection for Expensive Equipment and Systems
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.
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Starting at $435.00
- Compatible gases and liquids.
- Wetted Materials:
- Tube: tempered borosilicate; Body: brass or 316 SS; Gasket: fluoroelastomer; Indicator: acetal.
- Temperature Limit:
- 212°F (100°C).
- Pressure Limit:
- 230 psig (15.86 bar).
|EXAMPLE||SFI||700||1/4||ST||Series SFI-700-1/4-ST Sight Flow Indicator, brass, 1/4" body, with stainless steel tag.|
|SERIES||SFI||Sight Flow Indicator|
|Stainless Steel Tag
- If a customer complains the impeller in his sight flow indicator is not turning, what is most likely the problem?
- Usually the impeller is fouled or the indicator is doing its job and actually indicating no flow.
- If a customer claims the plastic impeller dissolved in plain water, what probably happened?
- The customer exposed the sight flow indicator to fluid temperatures of 400-500 degrees Fahrenheit, considerably in excess of the published temperature specification.
- I see that the SFI-300 MIDWEST Sight Flow Indicator has a flow direction shown as an arrow. What will happen if water flows in the opposite direction? Will the rotating impeller rotate in both directions? I want to use the indicator on a wakeboard boat to show water being pumped in both directions on a wake ballast system.
- The inlets and outlets for SFI-300 are designed for flow to only be in one direction. You could physically push flow in the opposite direction, but you would risk damaging the impeller, and you would not get a true indication of flow.
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