The Dwyer Instruments SFI-700SS-1-1/4 is a high-quality sight flow indicator from the Series 700, designed for reliable visual flow monitoring in industrial piping systems. Constructed with a 316 stainless steel body and featuring a 1-1/4″ threaded connection, this indicator offers exceptional durability and corrosion resistance, making it suitable for demanding process environments.
Key Features & Highlights
- Durable 316 SS body: Provides excellent resistance to corrosion and wear, ensuring long service life.
- Bright red rotating impeller: Highly visible from any angle, allowing easy flow observation through the glass tube.
- Glass tube construction: Offers clear viewing of the flow and impeller movement.
- Internal wipers: Simply rotate the glass tube to clean the viewing area without interrupting flow, simplifying maintenance.
- Threaded process connections: Facilitates easy installation into existing piping systems.
- Compact dimensions: Measures 4.875″ L x 2.750″ H (124 x 70 mm) and weighs 5.1 lb (2.3 kg), fitting into tight spaces.
Applications
The SFI-700SS-1-1/4 is ideal for use in water treatment, chemical processing, HVAC, and other industrial applications where visual confirmation of flow is essential. Its robust construction and reliable performance make it a trusted choice for engineers and maintenance professionals.




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