Discover the Excellence of the Sanitary Stainless Steel Four-Way/Straight-Through Flange Sight Glass: Crafted for precision and resilience, this sight glass is designed to meet rigorous industry standards. Its durable stainless steel construction ensures reliability and performance across diverse applications, offering clear visibility and seamless integration with flange systems. Perfect for industries demanding both hygiene and efficiency.
Product Description
1. Product Overview
Explore the excellence of our sanitary stainless steel four-way/straight-through flange sight glasses, a pivotal component in industrial pipeline systems. These devices excel in petrochemical, pharmaceutical, food, and chemical sectors, allowing real-time monitoring of fluid states, color variations, and chemical reactions. Key features include:
- Sanitary Design: Our mirror-polished surfaces (Ra ≤ 0.8μm) adhere to **GMP, 3A, and IDF standards**, making them ideal for environments demanding high levels of cleanliness, such as food and pharmaceutical industries.
- Corrosion Resistance: Crafted from robust materials like **SUS304, 316L, 2205 duplex steel**, with optional fluoropolymer-lined/FRP materials to withstand even the harshest chemical media.
- Structural Versatility: Choose between four-way (360° observation) or straight-through configurations, ensuring adaptability across diverse installation requirements.
2. Technical Specifications
1. Materials
- Body: Premium selection of 304, 316L, 2205 duplex steel, and 904L stainless steel.
- Window: Options include tempered borosilicate glass (≤280°C) and quartz glass (≤1000°C), pressure-rated from 0.6-2.5 MPa, ensuring durability and safety.
- Seals: Choose from NBR, PTFE, or graphite gaskets for high-temperature endurance.
2. Operating Conditions
- Temperature Range:
- For stainless steel body: Ranges from an extreme -196°C to +600°C.
- For glass window: Withstands up to 1000°C when using quartz.
- Pressure Range: Standard 0.6-2.5 MPa, customizable up to 10 MPa with quartz, accommodating various industrial needs.
3. Dimensions & Standards
- Port Sizes: Standard sizes DN20-DN200, with custom options available to fit specific requirements.
- Flange Standards: Compatible with HG, GB, ANSI, JIS, DIN; meeting **Chemical Industry Standards HGJ501-502-86**, ensuring quality and reliability.
3. Core Structure & Features
1. Components
- Includes base plate, viewing window, sealing gaskets, flanges, and fasteners, engineered for precision and durability.
- The four-way type supports multi-angle monitoring, while straight-through is perfect for linear pipeline setups.
2. Functional Advantages
- Leak-proof Sealing: Featuring RF, MFM flange faces designed for high-pressure environments, ensuring safety and reliability.
- Thermal Shock Resistance: Capable of withstanding abrupt temperature changes of ≤60°C, safeguarding operations.
- Easy Maintenance: Our quick-disassembly design minimizes downtime, enhancing operational efficiency.
4. Applications
- Chemical Industry: Monitors corrosive media including acids and alkalis, crucial for preventing crystallization or blockages.
- Pharmaceutical & Food: Ensures pipeline transparency and hygiene, critical for sterile environments dealing with drug solutions and dairy.
- Energy & Environmental: Tracks high-temperature steam, oils, or wastewater, optimizing performance in treatment systems.
5. Installation & Maintenance Guidelines
1. Installation
- Clean glass components with alcohol wipes; avoid acidic cleaners to maintain clarity and integrity.
- Tighten bolts diagonally and evenly to prevent glass cracking, ensuring a secure fit.
- Use graphite gaskets for high-temperature applications or PTFE for cryogenic environments, tailored for specific conditions.
2. Maintenance
- Conduct regular inspections for glass corrosion, especially in harsh environments, to maintain performance.
- Replace glass with intact sealing surfaces promptly to prevent leaks and ensure system safety.
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.
Audited Supplier 
){kind=link}