Client Protection
Dedicated Support
Genuine Products
Dwyer SFI-300-1-1/4 | Sight Flow Indicator | 1-1/4" Body, Double Window, Impeller
Dwyer SFI-300-1-1/4: a 1-1/4" sight flow indicator with threaded process connections and a double viewing window with a rotating impeller, for checking flow by eye. For servicing, the SFI-300-1-1/4 window can be removed and parts replaced.
- Dimensions of the 1-1/4" size: 4.375" (111 mm) long, 3.125" (79 mm) deep, 2.563" (65 mm) high (SFI-300-1-1/4)
- SFI-300-1-1/4 weight: 3.0 lb (1.4 kg)
- SFI-300-1-1/4 pressure limit 125 psig (8.62 bar); MP models 150 psig (10.34 bar)
- SFI-300-1-1/4 temperature limit 200°F (93°C); 120°F (48°C) with W2 option, 170°F (77°C) with I1 option
- Wetted parts for SFI-300-1-1/4: tempered glass window, bronze or 316 SS body (series options), Buna-N, fluoroelastomer or PTFE gasket, ABS or 316 SS impeller
- Specifications
- Features
- Downloads
| Part Number | SFI-300-1-1/4 |
| Brand | Dwyer |
| Type | Sight Flow Indicator |
| Connection | Threaded |
| Body Size | 1-1/4" |
| Length | 4.375" (111 mm) |
| Weight | 3.0 lb (1.4 kg) |
| Maximum Pressure | 125 psig (8.62 bar), 150 psig (10.34 bar) on "MP" Models |
| Maximum Temperature | 200 °F (93 °C) ; 120 °F (48 °C) on W2 option ; 170 °F (77 °C) on I1 option |
| Wetted Materials | Window: tempered glass ; Body: bronze or 316 SS ; Gasket: Buna-N, fluoroelastomer or PTFE ; Indicator: ABS or 316 SS impeller (100 and 300), 304 SS or 316 SS flapper (360) |
| Indicator Design | Double viewing window with a rotating impeller |
| Depth | 3.125" (79 mm) |
| Height | 2.563" (65 mm) |
- The Sight Flow Indicators are manufactured using quality materials, ensuring durability and reliability.
- They undergo safety testing to ensure they meet safety standards, ensuring safe operation.
- Designed to provide extended and reliable service life, reducing the need for frequent replacements.
- They feature threaded connections for easy installation into various piping systems.
- Equipped with viewing windows that allow operators to visually inspect the flow of fluids.
- Available in bodies made of brass or 316 stainless steel, providing options to suit different applications and environments.
- The series includes types such as the 350 with a double window and no moving indicator, and the 360 with a double window and a flapper.
- Features a removable window for easy maintenance and replacement of wearing parts, reducing downtime and maintenance costs.
Related Products
Fluidwell C571 | Flow & Energy Computer | for natural gas, hydrogen and other gases, ambient -40°C to +55/+70°C
Fluidwell C571 | Flow & Energy Computer | for natural gas, hydrogen and other gases, ambient -40°C to +55/+70°C
Fluidwell C581 | Flow & Energy Computer | for coolants, water and saturated / superheated steam, ambient -40°C to +70°C
Fluidwell C581 | Flow & Energy Computer | for coolants, water and saturated / superheated steam, ambient -40°C to +70°C
Fluidwell C401 | Hydrogen Dispenser | with metrological approval and receipt printer driver, ambient -25°C to +55°C
Fluidwell C401 | Hydrogen Dispenser | with metrological approval and receipt printer driver, ambient -25°C to +55°C
Nuflo MC II Analyser | Flow Indicator
Nuflo MC II Analyser | Flow Indicator
Nuflo MC III Analyser | Flow Indicator
Nuflo MC III Analyser | Flow Indicator
Dwyer SFI-801-3/4-A711 | Polycarbonate Sight Flow Indicator with A-711 Sensor | 3-35 GPM, 3/4" female NPT
Dwyer SFI-801-3/4-A711 | Polycarbonate Sight Flow Indicator with A-711 Sensor | 3-35 GPM, 3/4" female NPT
Dwyer SFI-801-3/4 | Polycarbonate Sight Flow Indicator | 3-35 GPM, 3/4" female NPT
Dwyer SFI-801-3/4 | Polycarbonate Sight Flow Indicator | 3-35 GPM, 3/4" female NPT
Dwyer SFI-801-1/2-A711 | Polycarbonate Sight Flow Indicator with A-711 Sensor | 2-20 GPM, 1/2" female NPT
Dwyer SFI-801-1/2-A711 | Polycarbonate Sight Flow Indicator with A-711 Sensor | 2-20 GPM, 1/2" female NPT