Weld Neck Flange
Weld Neck Flange Manufacturer
Top Weld Neck Flange Manufacturer for High-Pressure Applications
Vivaan Steel Industries stands out as a leading Weld Neck Flange Manufacturer supplying durable and precision-engineered flanges across Kolkata, Bihar, Odisha, Jharkhand, and Assam. Weld neck flanges are designed with a long tapered hub that transfers stress from the flange to the pipe, making them ideal for high-pressure, high-temperature, and critical flow systems.
We provide weld neck flanges in carbon steel, alloy steel, and stainless steel variants to serve industries such as oil & gas, power, and chemical processing.
Key Features of Our Weld Neck Flanges
As a reliable Weld Neck Flange Manufacturer, we offer:
Butt-weld design for strong, permanent joints
Available in RF, FF, and RTJ face types
Pressure classes from 150# to 2500#
Sizes from ½” to 48”
Manufactured as per ASME B16.5, B16.47, ANSI, DIN, and BS standards
Materials: MS, CS, SS 304/316, duplex, and forged grades
Each flange is machined for precision and tested for strength and sealing capability.
Applications of Weld Neck Flanges
Weld neck flanges are essential in systems where stress, pressure, and temperature levels are extreme. They are used in:
Oil refineries and gas transmission lines
Thermal and nuclear power plants
Petrochemical and fertilizer plants
High-pressure steam systems and heat exchangers
Boilers, condensers, and process equipment
Their design minimizes turbulence and erosion at the joint, enhancing long-term reliability.
Industries We Serve
Our Weld Neck Flanges are ideal for a wide range of industries that demand superior performance and reliability, including:
- Oil & Gas: Our weld neck flanges are essential for critical pipeline systems in the oil and gas industry, where safety and durability are top priorities.
- Chemical & Petrochemical: We provide flanges designed to withstand harsh chemicals and high-pressure conditions in chemical and petrochemical processing plants.
- Power Generation: Weld neck flanges are used in power plants to ensure secure, leak-proof connections for steam and gas piping systems.
Weld Neck Flange Sizes and Specifications
Our Weld Neck Flanges are available in a wide range of sizes and pressure ratings to meet the needs of different industries. We offer flanges from 1/2″ to 48″ in diameter, with pressure ratings ranging from 150 to 2500 PSI. Additionally, we provide various finishes, including polished, galvanized, or painted coatings, to enhance corrosion resistance and durability.
Benefits of Using Weld Neck Flanges
- Strong and Leak-Proof Connection: The long taper of the weld neck flange ensures a smooth transition between the pipe and flange, resulting in a stronger, leak-proof seal.
- High Pressure and Temperature Resistance: Weld neck flanges are designed to withstand high-pressure and high-temperature environments, making them ideal for critical industrial applications.
- Durability: Made from high-quality materials, our weld neck flanges offer excellent resistance to corrosion and wear, ensuring a long service life.
Weld Neck Flange Supply in Eastern India
Vivaan Steel Industries efficiently supplies flanges to:
Kolkata – For large-scale industrial and energy projects
Bihar – In thermal power stations and oil & gas sectors
Odisha – Serving steel and mineral processing industries
Jharkhand – Used in heavy engineering and chemical plants
Assam – For refinery, pipeline, and EPC applications
We ensure timely and secure delivery of all sizes and grades.
Why Choose Us as Your Weld Neck Flange Manufacturer in Eastern India,Jharkhand, Assam & Chhattishgarh?
- Expertise: With years of experience in flange manufacturing, we bring expert knowledge and precision to every project. Our team ensures you receive the best products tailored to your needs.
- Quality Assurance: Our weld neck flanges undergo rigorous testing and quality control processes to ensure they meet or exceed international standards.
- Global Shipping: We offer global shipping services, ensuring your flanges arrive safely and on time, wherever you are located.
Explore Other Flanges We Manufacture
Additionally, visit the Flanges Manufacturer page for information on other Flanges products.
Get Leak-Proof Weld Neck Flanges from Vivaan Steel
Searching for a reliable Weld Neck Flange Manufacturer in Kolkata, Bihar, Odisha, Jharkhand, or Assam?
Phone Number – +91 9830521456
Email Id – vivaan_steel_industries@hotmail.com
Connect with Vivaan Steel Industries for strong, high-performance flanges that meet international standards. Contact us for bulk pricing or technical consultation.
