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Dwyer SFI-350-1/4 | Sight Flow Indicator | 1/4" Body, Double Window, No Indicator
The Dwyer SFI-350-1/4 is a 1/4" threaded sight flow indicator with a double viewing window with no moving indicator, letting operators see flow in the line. For servicing, the SFI-350-1/4 window can be removed and parts replaced.
- Dimensions of the 1/4" size: 3.063" (78 mm) long, 2.250" (57 mm) deep, 2.125" (54 mm) high (SFI-350-1/4)
- SFI-350-1/4 weight: 1.7 lb (0.8 kg)
- Rated to 125 psig (8.62 bar) on the SFI-350-1/4, 150 psig (10.34 bar) on MP models
- SFI-350-1/4 temperature limit 200°F (93°C); 120°F (48°C) with W2 option, 170°F (77°C) with I1 option
- Wetted parts for SFI-350-1/4: tempered glass window, bronze or 316 SS body (series options), Buna-N, fluoroelastomer or PTFE gasket
- Specifications
- Features
- Downloads
| Part Number | SFI-350-1/4 |
| Brand | Dwyer |
| Type | Sight Flow Indicator |
| Connection | Threaded |
| Body Size | 1/4" |
| Length | 3.063" (78 mm) |
| Weight | 1.7 lb (0.8 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 no moving indicator |
| Depth | 2.250" (57 mm) |
| Height | 2.125" (54 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.
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