Flange Sight Glass
SKU:
Size Range: 1/2 Inch to 20 Inches
Material: Carbon Steel (WCB), 304/316/316L Stainless Steel
Seal Material: PTFE (White), NBR (Black), Graphite(Black) Sealing and Gasket
Window Material: Quartz Glass, Borosilicate Glass, Aluminosilicate Glass
Visual Window: Rounded, Squared Flange for Glass Replaceable
Lining Material: Without Lining, with PTFE Lining for Harsh Chemical
Pressure Level: 1.6MPa - 5.0MPa depend on the size
Temperature Level: -30°C to 100°C; -50°C to 200°C and up to 800°C
End Connection: ANSI 150/300, JIS 5K/10K and DIN available
Application Media: Liquid, Gases, Petroleum
Material: Carbon Steel (WCB), 304/316/316L Stainless Steel
Seal Material: PTFE (White), NBR (Black), Graphite(Black) Sealing and Gasket
Window Material: Quartz Glass, Borosilicate Glass, Aluminosilicate Glass
Visual Window: Rounded, Squared Flange for Glass Replaceable
Lining Material: Without Lining, with PTFE Lining for Harsh Chemical
Pressure Level: 1.6MPa - 5.0MPa depend on the size
Temperature Level: -30°C to 100°C; -50°C to 200°C and up to 800°C
End Connection: ANSI 150/300, JIS 5K/10K and DIN available
Application Media: Liquid, Gases, Petroleum
Industrial Sight Glass Solutions for Chemical, Pharma & Petrochemical Applications
Engineered for safe and clear process monitoring in chemical, petrochemical, and pharmaceutical systems.
- PTFE-lined & stainless steel options
- Custom sizes available
- Fast response for urgent requirements
Need Recommendation of Sight Glass?
Send us your technical specifications, photos of your old products or drawing today for a fast and accurate recommendation.
Send us your technical specifications, photos of your old products or drawing today for a fast and accurate recommendation.
Why Choosing the Right Sight Glass Matters
- Poor visibility leads to operational risk
- Low-quality glass may crack under pressure
- Wrong material causes corrosion and leakage
Bueno sight glass units are designed to deliver long-term reliability in demanding environments.
- High pressure & temperature resistance
- Corrosion-resistant materials (SS316 / PTFE options)
- Custom sizing available
Our Sight Glass Types:
- Tubular Sight Glass
- Flange Type Sight Glass
- PTFE Lined Sight Glass
- Welded Sight Glass
- Threaded Sight Glass
Our Glass Types:
- Borosilicate Glass
- Aluminosilicate Glass
- Quartz Glass
Field Application
- Chemical processing
- Pharmaceutical production
- Petrochemical systems
- Water treatment
Why Choose Bueno Group
- 50+ Years Engineering Experience
- Proven in Chemical & Pharma Industries
- Custom Fabrication Capability
- Reliable Material Sourcing
- Technical Consultation Support
Built for Industrial Reliability
- Sealing gasket PTFE, NBR, Viton and Graphite available
- Indicator if needed: Impeller/Rotor Plastic or PTFE
- Operating Temperature -30°C to 100°C; -50°C to 200°C and up to 800°C depend on trim, lining, visual glass and impeller indicator if used
- Operating pressure 1.6MPA/16bar up to 50bar
Values are typical and may vary depending on grade and application. Custom specifications are available upon request.
Request a Quote for Sight Glass
Send us your drawings or requirements today. Our engineering team will provide a fast and reliable quotation tailored to your application.
Send us your drawings or requirements today. Our engineering team will provide a fast and reliable quotation tailored to your application.
Explore our full range of Sight Glass here Sight Glass Catalogue
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