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Visual Flow Indicator Sight Glass
The Visual Flow Indicator Sight Glass is designed for real-time observation of liquid and gas flow in industrial pipelines. Featuring a transparent viewing chamber and robust stainless steel construction, it allows operators to quickly verify flow presence, direction, color, bubbles, and process conditions without interrupting operation.
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Technical data
Visual Flow Indicator Sight Glass for Continuous Process Monitoring
The Visual Flow Indicator Sight Glass provides operators with a simple and reliable method of monitoring fluid movement inside industrial process pipelines. By incorporating a transparent observation chamber into the pipeline, the unit allows direct visual confirmation of flow conditions without disrupting operation.
The sight glass enables observation of liquid presence, flow direction, fluid color, bubbles, foam, sediment, and contamination. This helps operators quickly identify process abnormalities and maintain production efficiency.
Constructed from high-quality stainless steel and equipped with precision-engineered viewing windows, the flow indicator offers excellent mechanical strength, corrosion resistance, and long service life. Window materials can be selected according to operating conditions, including borosilicate glass, tempered glass, fused quartz glass, and sapphire glass.
Available with ANSI, ASME, DIN, EN1092-1, JIS, and customized connection standards, the Visual Flow Indicator Sight Glass can be integrated into a wide variety of industrial systems.
It is widely used in chemical processing, pharmaceutical manufacturing, food and beverage production, petrochemical plants, water treatment facilities, and industrial utility systems where visual flow verification is critical.
Visual Flow Indicator Sight Glass— Technical Data
| Item | Details |
|---|---|
| Model | Sight Flow Indicator(impeller sight glass) |
| Window material | Borosilicate glass (DIN7080) / Fused quartz / Sapphire glass (optional) |
| Housing | Stainless steel 304 / 316 (other alloys on request) |
| Connection | ANSI 150 / 300 / 600; DIN flanges; threaded BSP / NPT |
| Working pressure | up to 40 bar (dependent on model/window thickness) |
| Operating temp. | -40°C to +300°C (higher temperature customizable) |
| Visible bore | Ø 20-150 mm (custom sizes on request) |
| Standards & certs | EN / DIN flange compatibility; material certificates (EN10204-3.1) on request |
Visual Flow Indicator Sight Glass— Technical Advantages
| Feature | Benefit |
|---|---|
| Transparent Viewing Chamber | Direct flow verification |
| Stainless Steel Housing | Corrosion resistance |
| Multiple Window Options | Application flexibility |
| Pressure-Rated Design | Industrial compatibility |
| Leak-Tight Sealing | Operational safety |
| International Standards | Easy integration |
| Compact Construction | Space-saving installation |
| Long Service Life | Reduced maintenance costs |
Visual Flow Indicator Sight Glass— Dimensions
| DN | L | H |
|---|---|---|
| 6 | 85 | 60 |
| 8 | 85 | 60 |
| 10 | 85 | 70 |
| 15 | 85 | 70 |
| 20 | 95 | 80 |
| 25 | 110 | 80 |
| 32 | 135 | 95 |
| 40 | 135 | 95 |
| 50 | 155 | 105 |
KEY FEATURES
Excellent Flow Visibility
Provides clear observation of fluid movement and process conditions.
High Optical Clarity
Allows accurate monitoring of color changes, bubbles, and contamination.
Superior Corrosion Resistance
Designed for demanding industrial environments.
Reliable Sealing Performance
Leak-tight sealing system ensures safe operation.
High Mechanical Strength
Robust construction suitable for industrial service.
Long Service Life
Manufactured from durable materials for extended operational reliability.
Custom Manufacturing Service
We provide tailor-made solutions according to drawings or technical requirements.
- Custom diameter
- Custom thickness
- Special pressure design
- Edge polishing
- Optical finishing
- OEM / ODM support
- Custom packaging
TYPICAL APPLICATIONS
- Pressure Vessels
- Chemical Reactors
- Boilers & Steam Systems
- Pipeline Sight Glass Assemblies
- Pharmaceutical Equipment
- Food & Beverage Processing
- Industrial Observation Ports
FAQ
A:A Visual Flow Indicator Sight Glass is a pipeline-mounted observation device that allows operators to visually confirm the presence and condition of flowing media.
A:Yes. Pressure ratings can be customized according to application requirements.
A: Yes. Material selection can be optimized for acids, alkalis, solvents, seawater, and aggressive process media.
A:Body materials include:SS304, SS316L,Duplex Stainless Steel,Carbon Steel
A: Chemical processing, pharmaceuticals, food production, petrochemical plants, water treatment systems, and industrial utility applications.
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