- About
- Description
- Specifications
- Features
- Downloads
- Shipping

Images are for illustration only and may not reflect the actual product. Refer to the description or specs.
Dwyer SFI-300-1-1/2 Midwest Sight Flow Indicator
Normally In Stock
Code: 574958
Dwyer SFI-300-1-1/2 - Sight flow indicator, 1-1/2" body, 5.500" L x 3.688" D x 4.063" H (140 x 93 x 103 mm), 7.0 lb (3.2 kg).
Condition: New
Usually ships Same Day or Next Day$778.12
Sale Price
$648.43
Tariff Status
Tariff may apply if shipping to the United States. Tariff costs are calculated and will be displayed in the shopping cart.
Need a large quantity or a custom solution?
Add this product to your job, favorites list or request a quick quote for volume pricing and lead time information. Our team is ready to assist with any special requirements.
Description
Dwyer SFI-300-1-1/2 is a Midwest Sight Flow Indicator designed for use with compatible gases and liquids. It has a temperature range of 200°F (93°C), with options for 120°F (48°C) and 170°F (77°C). The wetted materials include tempered glass, bronze or 316 SS body, and Buna-N, fluoroelastomer or PTFE gasket. The indicator is made of ABS or 316 SS impeller (100 and 300) or 304 SS or 316 SS flapper (360). It has a pressure limit of 125 psig (8.62 bar) or 150 psig (10.34 bar) on "MP" Models. The process connection is threaded.
Specifications
(Instrument-Sensor) Application
Liquid
(Instrument-Sensor) Application
Gas
(Instrument-Sensor) Temperature Range
200°F/93°C
Component
Flow Indicator
(Instrument-Sensor) Type
Midwest Sight Flow Indicator
(Instrument-Sensor) Temperature Range
120°F/48°C
(Instrument-Sensor) Temperature Range
170°F/77°C
Manufacturer
Dwyer Instruments
Features
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
Downloads

Code: 574958
Dwyer SFI-300-1-1/2 Midwest Sight Flow Indicator
$778.12
Sale Price
$648.43