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Top Flange Fittings Manufacturer in China

As a top flange fittings manufacturer in China, we specialize in producing high-performance forged steel flanges that set industry benchmarks. Each flange is meticulously crafted to meet stringent international standards like ASME and EN, ensuring exceptional reliability and safety for critical systems. Our unwavering commitment to quality and precision makes us a trusted partner for projects requiring strength and excellence. With advanced engineering and a focus on durability, we deliver solutions that guarantee performance and integrity. Choose us as your dependable flange manufacturer and build your projects on a foundation of superior craftsmanship and unmatched expertise.

INSTANT QUOTE
Decades of Expertise
Certified Quality Assurance
Advanced Forging & Machining
Global Standards Compliance
What is a Flange Fittings

What is a Flange Fittings?

Flange fittings are forged or cast rings, typically made of steel, used to connect pipes, valves, pumps, and other equipment in piping systems. Unlike welded joints, flanged connections allow easy assembly and disassembly, ideal for systems needing regular maintenance or modifications. Two flanges are bolted together with a gasket in between, forming a leak-proof seal that withstands specific pressure and temperature conditions. Available in various materials and designs, flange fittings adhere to strict international standards, ensuring system integrity and reliability. Their modularity and robust performance make them essential components in constructing and maintaining efficient piping systems.

What is a Flange Fittings Used For?

  • Connecting Equipment: Securely join pipes, valves, pumps, and other equipment to create a complete system.

  • Maintenance Access: Allow easy disassembly for inspection, cleaning, or repairs, saving time and labor.

  • Leak-Proof Seals: Provide robust, leak-resistant connections for systems under specific pressure and temperature conditions.

  • System Modifications: Enable quick adjustments or expansions in modular piping systems.

Why Choose Our Flange Fittings?

Choose our flange fittings for superior quality, durability, precision engineering, and proven expertise, ensuring reliable solutions for critical systems.

Superior Quality

Our flange fittings are meticulously crafted to meet stringent international standards like ASME and EN, ensuring unmatched reliability and safety for critical systems.

Precision Engineering

Every flange is engineered with precision to create leak-proof seals, ensuring optimal performance and system integrity in demanding applications.

Exceptional Durability

Designed for high performance, our flange fittings withstand extreme pressure and temperature conditions, guaranteeing long-lasting and robust connections.

Proven Expertise

As a leading manufacturer, we bring years of experience and a commitment to excellence, making us a trusted partner for your projects.

Differences Between Forged and Cast Flange Fittings

  • Manufacturing Process: Forged flange fittings are shaped using compressive force, creating a denser structure, while cast flange fittings are made by pouring molten metal into molds.
  • Strength and Durability: Forged flange fittings have refined grain structures, offering superior strength and durability compared to cast flange fittings.
  • Performance in High-Pressure Systems: Forged flange fittings are ideal for high-pressure and high-temperature applications, whereas cast flange fittings are better suited for low-pressure systems.
  • Defects and Reliability: Forging eliminates internal defects like porosity, ensuring a safer and more reliable product, while casting may result in minor imperfections.

How to Choose the Right Flange Fitting

  • Define Operating Conditions: Identify the maximum pressure and temperature of your system to select the appropriate flange class or rating.
  • Select Compatible Material: Choose materials like stainless steel flange fittings to ensure resistance to corrosion and durability in specific environments.
  • Determine Connection Type: Match the flange type (e.g., Weld Neck, Slip-On, Threaded) with your pipe size, stress levels, and installation requirements.
  • Verify Standards and Dimensions: Ensure the flange fittings comply with industry standards (e.g., ASME, EN) and confirm the dimensions align with your pipeline specifications.

Explore Our Flange Fittings Types

Flanged Elbow

Flanged Elbow

Directs flow at 90° or 45°. These flanged pipe fittings ensure efficient directional changes and are compatible with stainless steel flange fittings for durable and precise connections.

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Flanged Tee

Flanged Tee

Splits or merges flow in three directions. This versatile flanged pipe fitting integrates seamlessly with stainless steel flange fittings for reliable pipeline systems.

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Flanged Cross

Flanged Cross

Connects four pipe sections equally. These flanged pipe fittings are ideal for complex systems and work perfectly with stainless steel flange fittings.

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Flanged Reducer

Flanged Reducer

The transition pipe sizes eccentrically. These essential flanged pipe fittings ensure smooth size adjustments and are compatible with stainless steel flange fittings.

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Flanged Cap

Flanged Cap

Seal pipe ends securely. These durable flanged pipe fittings are designed for stainless steel flange systems, ensuring reliable closure and system integrity.

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Flange Fittings Size Chart

NPS (inch)Flange OD (mm)Min. Thickness (mm)Raised Face Dia. (mm)No. of BoltsBolt Circle Dia. (mm)Bolt Hole Dia. (mm)
1/2"8911.235460.315.9
1"10812.743469.915.9
2"15215.973810819.1
3"19017.589814619.1
4"22919.1114819122.2
6"27922.21681224122.2
8"343242191229822.2
10"40625.42731636225.4
12"48328.63241643225.4
14"53330.23562047628.6
16"59731.84062054028.6
18"63534.94572457831.8
20"69836.55082463531.8
24"81339.76102474935.1

Key Application Industries of Flange Fittings

Oil & Gas Industry

Flange fittings ensure secure, high-pressure connections in pipelines transporting oil, gas, and other hydrocarbons.

Chemical Processing

Widely used in chemical plants, stainless steel flange fittings resist corrosion and handle harsh chemicals effectively.

Petrochemical Industry

Flange fittings are critical for handling volatile and corrosive substances in petrochemical processing systems.

Shipbuilding and Marine Industry

Flange fittings are used in ship pipelines for fuel, water, and hydraulic systems, offering durability in marine environments.

Why Choose Our Flange Fittings?

  • High-Quality Materials: Crafted from premium stainless steel, ensuring durability and resistance to corrosion in demanding environments.

  • Precision Engineering: Our flange fittings guarantee accurate dimensions for secure and leak-proof connections.

  • Wide Compatibility: Designed to fit seamlessly with various pipeline systems and stainless steel flange fittings.

  • Industry Standards Compliance: Manufactured to meet global standards, ensuring reliability across diverse applications.

  • Custom Solutions: We offer tailored flange fittings to meet specific project requirements and industry needs.

Why Choose Our Flange Fittings

What Our Client Says

Understand from our clients what they say about doing business with us and the unique value addition we provide.

"We’ve been using their flange fittings for over two years, and the quality is unmatched. The stainless steel flange fittings are durable, corrosion-resistant, and fit perfectly in our high-pressure pipelines. Their customer service is also exceptional, always ready to assist with custom requirements. Highly recommend!"
Pipeline Engineer
John D.
Pipeline Engineer
"Their flange fittings have been a game-changer for our operations. The precision engineering ensures leak-proof connections, and the materials withstand harsh water treatment chemicals. We appreciate the fast delivery and consistent quality. A reliable partner for all our pipeline needs!"
Emily R.
Operations Manager

Comprehensive Guide to Flange Fittings

Comprehensive Guide to Flange Fittings

Latest Blog Posts

Maintain Inventiveness by Following The Blog for the Latest Best Practices, Techniques, Innovations, and Insights in the Field.

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Satisfying the needs of differential industrial disciplines, flange connections of various types require gaskets to meet the needs of integrity maintenance and efficiency. They are a critical part of...

August 20, 2025
How to Identifying Slip-On Flanges
How to Identify Slip-On Flange

Slip-on flanges form a vital component in innumerable industrial applications; yet, correct identification of these flanges may be exceedingly difficult, especially for those not acquainted with their design or...

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Partner With a Trusted Flange Fittings Manufacturer

Partner with a trusted flange fittings manufacturer for high-quality flanged pipe fittings, stainless steel flange fittings, and precise flange fittings dimensions meeting global standards. Contact us today!

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  • Langfang Yongsheng Industrial Products Co., Ltd.
  • Langfang City, Shandong Province, China
  • +86-13373362088
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