| Customization: | Available |
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| Standard: | ANSI, DIN, GB, JIS, GOST |
| Type: | Welding Flange |
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Product Overview
Introducing the Stainless Steel Flanged Welding Tee-a distinguished leader in durable, corrosion-resistant pipe fittings. Meticulously crafted, it combines the essential functionality of a standard tee junction, pivotal for redirecting or merging fluid flows, with seamlessly integrated welding ends and a classic flanged end. This innovative hybrid design provides the steadfast sealing and structural fortitude of welded connections, along with the effortless installation, maintenance ease, and straightforward disassembly that flanged connections are renowned for. Select this exquisite component for branch connections within the most demanding industrial piping systems, and experience unparalleled performance.
Key Features & Construction
1. Material:
Expertly crafted from premium austenitic stainless steel, this product offers the following typical grades:
304 (1.4301 / UNS S30400): A highly versatile grade celebrated for its superb corrosion resistance, flexibility, and ease of welding, making it ideal for water, steam, food processing, and mild chemical environments.
316/316L (1.4401/1.4404 / UNS S31600/S31603): Enriched with molybdenum, this grade excels in chloride-rich settings, and resists pitting and crevice corrosion. It is perfectly adapted for chemical processing, marine, pharmaceutical, and other high-corrosion settings. Notably, 316L enhances weldability and guards against intergranular corrosion.
Material Properties: This product excels with unmatched resistance to both corrosion and oxidation, combined with remarkable strength across a spectrum of temperatures. Its excellent ductility and toughness assure long-lasting dependability.
2. Design:
Tee Body: Showcasing a single run inlet, a run outlet, and a perpendicular or angular branch outlet. Available in both equal (straight) and reducing formats, with the branch angle meticulously set at 90° for optimal flow management.
Welding Ends: Typically located on the run ends, these are prepared with beveled ends (e.g., V-groove) for butt welding (BW) to the pipeline, ensuring maximum strength and a leak-proof seal-essential in high-pressure, high-temperature, or high-vibration environments.
Flanged End: Typically positioned on the branch outlet, and sometimes on run ends, it features a standard stainless steel flange for superior connectivity.
Flange Types: Widely sought-after options include:
Slip-On Flange (SO): Ideally suited for low to medium pressure applications, allowing for easy installation.
Weld Neck Flange (WN): Tailored for high-pressure/temperature or cyclic loading conditions, its tapered hub is engineered to optimize stress distribution, establishing it as the most trustworthy option.
Socket Weld Flange (SW): Perfectly designed for small bore sizes (≤ DN50 / NPS 2"), and suitable for medium to high pressure applications.
Flange Facing: Choose from Raised Face (RF), Flat Face (FF), and Ring-Type Joint (RTJ) facings, each selected based on specific gasket and application needs.
Flange Standards: Adheres to the following standards:
ASME B16.5: Offers a range of pressure classes like 150, 300, 600, and more, ensuring widespread applicability.
EN 1092-1 (DIN): Available with common pressure ratings of PN6, PN10, PN16, PN25, and PN40.
JIS B2220: Compliant with the prestigious Japanese Industrial Standard.
GB/T 9113: Conforms to the rigorous specifications of the Chinese National Standard.
Bolt Holes: Carefully precision-drilled to guarantee secure bolting with complementary flanges.
3. Connection Methods:
Welding Ends: Our precision-engineered Heavy-Duty Flange Welding Tee is designed for seamless butt-welding to pipelines. Utilizing cutting-edge TIG (GTAW) or SMAW processes, we ensure adherence to rigorous standards like ASME B31.3 and EN 13480, guaranteeing top-notch integrity and reliability.
Flanged End: Achieve a flawless and secure connection with our product's stainless steel bolts and nuts, paired with premium sealing gaskets such as spiral wound, graphite, or PTFE. This ensures a tight integration with valves, equipment, or other flanged piping components for an uncompromised fit.
Benefits & Advantages
Efficient Flow Diversion/Combination: Our product revolutionizes pipeline branch management, streamlining the integration process to elevate efficiency and simplicity to new heights.
Robust & Durable: Discover unmatched resilience with our Customized Steel Flange Tee, crafted from superior stainless steel. Its expertly welded and flanged architecture extends service life remarkably, ensuring unwavering reliability in the most demanding conditions.
Leak-Tight Sealing: Relish exceptional peace of mind with our state-of-the-art sealing techniques. Our welded joints offer intrinsic strength, while flanged joints deliver trustworthy, easy-to-maintain seals, promising an impermeable performance across diverse situations.
Exceptional Corrosion Resistance: Excelling in anti-corrosion capabilities, our product is perfect for environments filled with aggressive substances like acids, alkalis, and salts. This guarantees enduring longevity and minimal upkeep even in the most challenging scenarios.
Easy Maintenance: Streamline your maintenance routines effortlessly with our ingeniously designed flanged branches. They allow easy inspection and repairs, eliminating the need to cut into main pipelines and significantly minimizing both time and downtime.
Broad Compatibility: Engineered for broad adaptability, our product seamlessly handles a wide range of pressures, temperatures, and media. This versatility makes it ideal for various industrial applications and environmental conditions.
Standardized: Experience peace of mind with our unwavering commitment to international standards, ensuring simplicity in sourcing and replacement. Enjoy consistent quality and performance across global operations.
Typical Applications
Chemical & Petrochemical Processing: Specifically engineered for complex chemical processes, our product ensures maximum safety and efficiency in your operations.
Oil & Gas (Upstream, Midstream, Downstream): Perfectly crafted to withstand the oil and gas industry's rigorous demands at every phase, from extraction to distribution.
Pharmaceutical & Biotech (CIP/SIP Systems): Ideal for critical clean-in-place and steam-in-place systems, maintaining the highest hygiene standards in pharmaceutical and biotech applications.
Food & Beverage (Sanitary Processing): Guarantees hygienic processing and product integrity, safeguarding quality in the food and beverage industry.
Water Treatment & Desalination: Designed to deliver durability and reliability, our product ensures uninterrupted service in water treatment and desalination operations.
Power Generation (Steam, Condensate): Specifically optimized for power generation applications, offering robust performance in steam and condensate systems.
Shipbuilding & Offshore Platforms: Engineered to withstand harsh marine environments, our product is perfect for shipbuilding and offshore applications.
Pulp & Paper Manufacturing: Tailored to meet the rigorous demands of pulp and paper production, ensuring operational efficiency and reliability.
Industrial Utilities (Compressed Air, Cooling Water): Versatile solutions designed to manage compressed air and cooling water systems efficiently across various industrial utilities.
Selection & Installation Notes
Define Service Conditions: Accurately evaluate media, temperature, pressure, and corrosivity to select the perfect material and rating, ensuring peak performance.
Match Standards: Confirm that welding and flange ends align precisely with connecting pipe and equipment specifications, guaranteeing seamless integration and optimal functionality.
Choose Flange Type Wisely: Make informed choices by selecting the flange type that aligns with your specific needs, factoring in pressure, temperature, cost, and space limitations. Options include Slip-On (SO), Weld Neck (WN), and Socket Weld (SW).
Qualified Welding: Rigorously adhere to code procedures during welding, focusing on post-weld cleaning and passivation to sustain long-term integrity and performance.
Proper Flange Assembly: Utilize the appropriate gasket and meticulously adhere to a precise, crosswise bolt tightening sequence, executing it to the specified torque. This method guarantees a secure, dependable, and robust flange assembly, offering peace of mind and long-lasting performance.
Quality Assurance: Procure products from certified manufacturers who provide comprehensive traceability through Material Test Certificates (MTC). This commitment ensures unwavering confidence in the authenticity, superior quality, and exceptional performance of the products you choose.
| Size Range: DN 15 - DN 600 (½" - 24"+) |
| Pressure Rating: ASME Class 150-2500 / PN 6-400 |
| Manufacturing Standards: ASME B16.9, ASME B16.5, EN 10253, MSS SP-75, GB/T 12459 |
| Surface Finish: Pickled & Passivated (standard), Electropolished (optional, for hygienic apps) |
| Testing & Inspection: Dimensional check |














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.