


Dwyer Instruments SFI-550-1-1/4 | Sight window | 1-1/4" male NPT
A series of glass sight windows with plated steel bodies that show the level or contents of tanks or pipes is called the Model SFI-550-1-1/4 Sight Window. Standard NPT connections come in 1/4" to 2" diameters. The Series 550 Sight Window is a specialized component designed for monitoring fluid levels, flow, and conditions within industrial processes. Typically installed in pipelines, tanks, and vessels, this sight window provides a transparent viewing port for operators to visually inspect the contents without disrupting the operation.

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- Specifications
- Features
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Connection | 1-1/4" male NPT |
Manufacturer | Dwyer Instruments |
Material | Wetted: Window: glass Body: plated steel |
Maximum Operating Pressure | 125 psig (8.6 bar) |
Maximum operating temperature | 200°F (93°C) |
Type | Sight Window |
- Glass to metal connection for maximum dependability.
- Convenient hex wrench surfaces on plated steel bodies make installation simple.
- Windows are clean, smooth, and flush with the front face; they don't have any nooks or crannies where dirt could gather.
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