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Series SFI-100, 300, 300F, 400, 700 MIDWEST Sight Flow Indicator
Brand: Dwyer Instruments, LLC
The Series SFI Sight Flow Indicators is a Series of sight indicators which display flow or contents of pipelines. Available in window viewing style in the 100 and 300 Series and tube viewing style in the 400 and 700 Series with connection choices of female NPT, BSPP or BSPT threaded and flanged.
SERIES 100 and 300 Sight Flow Indicators offer threaded process connections, viewing windows, and bodies of brass or 316 SS. The 100 type has a single window with a rotating impeller, the 300 type has a double window with a rotating impeller, the 350 type has a double window with no moving indicator, and the 360 type has a double window with a flapper.
SERIES 300F Sight Flow Indicators offer ANSI flange process connections, double viewing windows, and bodies of carbon steel or 316 SS. The 350F type has a double window with no moving indicator and the 360F type has a double window with a flapper.
SERIES 400 Sight Flow Indicators offer threaded or ANSI flanged process connections, tube style viewing, and bodies of cast iron or 316 SS.
SERIES 700 Sight Flow Indicators offer threaded process connections, tube style viewing, and bodies of brass or 316 SS.
Features- Manufactured of quality materials and safety tested to assure long, dependable service at economical prices
- All Series 100, 300 and 300F feature a removable window for easy service and replacement of wearing parts
- The Series 400 features glass tube construction offering easy flow viewing from any angle
- Series 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 700 with internal wipers which restore full 360° visibility by simply rotating the glass tube without disrupting the flow
Specifications
Brand
BSP Connection
- 1” BSPP Female
- 1” BSPT Female
- 1/2” BSPP Female
- 1/2” BSPT Female
- 1/4” BSPP Female
- 1/4” BSPT Female
- 1-1/2” BSPP Female
- 1-1/2” BSPT Female
- 1-1/4” BSPP Female
- 1-1/4” BSPT Female
- 2” BSPP Female
- 2” BSPT Female
- 3/4” BSPP Female
- 3/4” BSPT Female
- 3/8” BSPP Female
- 3/8” BSPT Female
Bushing Material
- ABS Impeller with Bronze Bushing
Enclosure, Body Material
- 316 Stainless Steel
- Brass
- Bronze
- Carbon Steel
- Cast Iron
Flange Size - 1-1/2” (DN 40)
- 1-1/2” (DN 40) - Unrated
Flange Size - 2” (DN 50)
- 2” (DN 50) - Unrated
Flange Size - 3” (DN 80)
- 3” (DN 80) - Unrated
Flange Size - 4” (DN 100)
- 4” (DN 100) - Unrated
Flange Size - 6” (DN 150)
- 6” (DN 150) - Unrated
Flange Type
- Raised Face (RF)
Gasket Material
- Buna-N
- Fluoroelastomer
- PTFE
Length
- 3” to 12.5” (76 to 318 mm)
Media
- Compatible Gases
- Compatible Liquids
NPT Connection
- 1” NPT Female
- 1/2” NPT Female
- 1/4” NPT Female
- 1-1/2” NPT Female
- 1-1/4” NPT Female
- 2” NPT Female
- 3” NPT Female
- 3/4” NPT Female
- 3/8” NPT Female
- 4” NPT Female
Pressure Range
- psig: 50 to 150 (kPa: 345 to 1,034, bar: 3.4 to 10.34)
Sensor Orientation
- Horizontal: 360
- Vertical
Shaft Material
- 316 Stainless Steel
- Monel
Temperature Range
- 48° to 100° C (120° to 212° F)
Wetted Materials
- 304 Stainless Steel - Flapper
- 316 Stainless Steel - Indicator, Impeller, Flapper
- ABS - Indicator
- Acetal - Indicator
- Borosilicate - Tube
- Tempered Glass - Window