Sanitary Stainless Steel Hex Flange Sight Glass
Product Description
Product Overview
Designed for high-purity industries such as food processing, pharmaceuticals, and biotechnology, the sanitary stainless steel hex flange sight glass enables real-time visual monitoring of fluid flow, liquid levels, and reaction processes within pipelines or vessels. Combining hygienic stainless steel construction, a high-transparency pressure-resistant window, and a hex flange sealing mechanism, this product ensures both functionality and cleanliness, meeting stringent sterile production requirements.
Key Features
1. Material & Hygiene Certifications
- Body Material: SUS 304/316L stainless steel, compliant with FDA, EHEDG, and 3-A Sanitary Standards. Features mirror polishing (Ra ≤0.6μm) or electropolishing to prevent microbial growth.
- Window Material: Tempered borosilicate glass or quartz glass with high transparency and impact resistance. Withstands temperatures up to 200°C and complies with ISO 4802 food-safe glass standards.
2. Hygienic Structural Design
- Hex Flange Connection: Compact design with internal hex bolts for secure fastening. Flat sealing surfaces paired with silicone/EPDM/PTFE gaskets ensure zero leakage and easy disassembly for cleaning.
- Dead Space-Free: Flush-mounted with pipeline walls to eliminate crevices, preventing residue buildup. Compatible with CIP/SIP cleaning and sterilization.
3. Performance Specifications
- Pressure Resistance: -0.1 to 1.0 MPa (customizable up to 1.6 MPa for high-pressure applications).
- Temperature Range: -20°C to +150°C (short-term window tolerance up to +250°C).
- Media Compatibility: Suitable for water, steam, acid/alkali solutions, dairy products, pharmaceuticals, and more (316L recommended for corrosive fluids).
4. Connections & Dimensions
- Flange Standards: DIN, SMS, ISO, 3-A sanitary flanges. Available in DN25 to DN150 (1" to 6") sizes.
- Window Sizes: Standard φ50mm to φ150mm observation windows, with custom sizes available.
Applications
- Food & Beverage: Fermentation tank level monitoring, visual inspection of transparent pipelines in filling lines.
- Biopharmaceuticals: Process visualization in reactors, purified water system status checks.
- Cosmetics: Monitoring high-viscosity raw material transfer processes.
Packaging & Warranty
- Clean Packaging: Protective film on the window surface, vacuum-sealed with shock-proof foam-lined cases. Includes installation guides and certification documents.
- Warranty: 18-month warranty, with optional explosion-proof test reports and custom sizing support.
Product Parameters
| Steel Parts |
SS304;SS316L |
| The material of glass |
silicon boride glass |
| Sealings |
EPDM or NBR or PTFE |
| Working temperature |
-20~+135'C(when the sealing isEPDM |
Detailed Photos
Packaging & Shipping
Certifications
About US
FAQ
Q:How do you pack?
A:Plastic bags-------(Paper boxes)-------Cartons-------Plywood cases
Q:How long is the quality guarantee period?
A:We supply 6 to 12 months for quality guarantee according to customers' using frequency.
Q:How can you guarantee the quality of products?
A:First of all, we have the numerical control device to manufacture products accurately. Then our quality inspectors will test products one by one to make sure every flange or fitting we sell is qualified.
Q:How can I check your factory situation while it's difficult for me to come to China.
A:We have photos and videos on our website, It shows every step of the manufacturing.
Alternatively, I can take videos or photos of our factory and send them to you.
Q:What is your lead time?
A:It's around 15 days normally. If we have the products in stock, it will be about 5days.
Q:Can you print our Logo on the valves/Fittings?
A:Yes, we can totally produce products according to your this kind special request, even manufacture it based on your drawing
Q:Are samples available to be sent with free?
A:It depends on what product you need. There are hundreds of products we sell. You can contact us for particular answer.
Q:Do you have a minimum quantity of the products?
A:No, we will build business with you with even 1pc. We believe this cooperation will be a long-term relationship for our high quality, competitive price and good after-sale service.
Q:Where are the main markets for your products?
A:We hope to make business with companies from all over the world. And for now, our flanges and fittings have been exported to especially in North America, South America, South Asia, Europe and Middle East.
Q:Are you a factory or trading company?
A:We are a factory specialized in manufacturing flange and fitting over 10 years.
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