Copper Weld Neck Flanges Manufacturer and Supplier In India

Naysha Steel is a renowned manufacturer and supplier of Copper Weld Neck Flanges in India. With years of expertise, they offer high-quality flanges that ensure reliable and efficient performance. Their products are manufactured using premium-grade copper, ensuring durability and resistance to corrosion. Naysha Steel's weld neck flanges are designed to provide a strong and secure connection in various industrial applications. With a commitment to customer satisfaction, they offer competitive prices, timely delivery, and excellent customer support. Choose Naysha Steel as your trusted partner for top-notch Copper Weld Neck Flanges in India.

copper weld neck flanges

Types of Copper Weld Neck Flanges

These flanges are commonly used in high-pressure applications and offer excellent resistance to leakage. They have a smooth inner bore, facilitating smooth fluid flow and minimizing turbulence. They offer better structural integrity and reduce stress concentration in the piping system. Long weld neck flanges are commonly used in thermal and nuclear power plants, petrochemical plants, and oil refineries. These flanges are often used in critical applications that demand superior performance and durability.

  • Standard Weld Neck Flanges: These are the most commonly used type of weld neck copper flanges.
  • Long Weld Neck Flanges: Long weld neck copper flanges have an extended neck length compared to standard flanges.
  • Extra Heavy Weld Neck Flanges: Extra heavy weld neck copper flanges are designed to handle higher pressure and temperature conditions.
  • High-Purity Weld Neck Flanges: High-purity weld neck copper flanges are specifically designed for applications that require strict cleanliness and minimal contamination.
  • Customized Weld Neck Flanges: Manufacturers can also provide customized weld neck copper flanges to meet specific requirements.

Features of Copper Weld Neck Flanges

  • Copper is known for its excellent corrosion resistance, making weld neck copper flanges highly resistant to a wide range of corrosive environments.
  • Copper exhibits excellent thermal conductivity, allowing for efficient heat transfer in applications where temperature management is important.
  • Weld neck copper flanges are typically manufactured using high-quality materials and undergo precise fabrication processes.
  • The welding connection between the flange neck and the pipe creates a strong and leak-resistant joint.
  • Weld neck copper flanges are designed to withstand high-pressure applications.

Size of Weld Neck Copper Flanges

Nominal Size Outside Diameter
(OD)
Min. Thickness
(T)
RF Dia.
(R)
No. of Bolt Holes Diameter of Holes Bolt Circle
(BC)
SO Bore ID
(SB)
WN Bore ID
(WB)
Dia. Hub Base
(HB)
Dia. of Hub Top
(HT)
SO LTH
(SL)
WN LTH
(WL)
12 3.50 0.38 1.38 4 0.62 2.38 0.88 0.62 1.19 0.84 0.56 1.81
34 3.88 0.44 1.69 4 0.62 2.75 1.09 0.82 1.50 1.05 0.56 2.00
1 4.25 0.50 2.00 4 0.62 3.12 1.36 1.05 1.94 1.32 0.62 2.12
114 4.62 0.56 2.50 4 0.62 3.50 1.70 1.38 2.31 1.66 0.75 2.19
112 5.00 0.62 2.88 4 0.62 3.88 1.95 1.61 2.56 1.90 0.81 2.38
2 6.00 0.69 3.62 4 0.75 4.75 2.44 2.07 3.06 2.38 0.94 2.44
212 7.00 0.81 4.12 4 0.75 5.50 2.94 2.47 3.56 2.88 1.06 2.69
3 7.50 0.88 5.00 4 0.75 6.00 3.57 3.07 4.25 3.50 1.12 2.69
312 8.50 0.88 5.50 8 0.75 7.00 4.07 3.55 4.81 4.00 1.19 2.75
4 9.00 0.88 6.19 8 0.75 7.50 4.57 4.03 5.31 4.50 1.25 2.94
5 10.00 0.88 7.31 8 0.88 8.50 5.66 5.05 6.44 5.56 1.38 3.44
6 11.00 0.94 8.50 8 0.88 9.50 6.72 6.07 7.56 6.63 1.50 3.44
8 13.50 1.06 10.62 8 0.88 11.75 8.72 7.98 9.69 8.63 1.69 3.94
10 16.00 1.12 12.75 12 1.00 14.25 10.88 10.02 12.00 10.75 1.88 3.94
12 19.00 1.19 15.00 12 1.00 17.00 12.88 12.00 14.38 12.75 2.12 4.44
14 21.00 1.31 16.25 12 1.12 18.75 14.14 13.25 15.75 14.00 2.19 4.94
16 23.50 1.38 18.50 16 1.12 21.25 16.16 15.25 18.00 16.00 2.44 4.94
18 25.00 1.50 21.00 16 1.25 22.75 18.18 17.25 19.88 18.00 2.62 5.44
20 27.50 1.62 23.00 20 1.25 25.00 20.20 19.25 22.00 20.00 2.81 5.62
22 29.50 1.75 25.25 20 1.38 27.25 22.22 21.25 24.25 22.00 3.07 5.82
24 32.00 1.81 27.25 20 1.38 29.50 24.25 23.25 26.12 24.00 3.19 5.94

Uses of Copper Weld Neck Flanges

Weld neck copper flanges are widely used in industries such as HVAC (Heating, Ventilation, and Air Conditioning), plumbing, refrigeration, and process piping systems. Their primary purpose is to create a secure and leak-proof connection between pipes or equipment. Due to the excellent corrosion resistance of copper, these flanges are suitable for applications involving corrosive fluids or environments. They are commonly used in water supply systems, chemical processing plants, oil and gas refineries, and power generation facilities.

Quality of Copper Weld Neck Flange

High-quality weld neck copper flanges are manufactured using top-grade materials and adhere to strict industry standards and specifications. They undergo rigorous testing and inspection processes to meet stringent quality requirements. The copper used in the flanges should have excellent purity and corrosion resistance properties, ensuring long-term performance and resistance to various corrosive environments.

Copper Weld Neck Flanges Manufacturer : Grades & Classes

  • Copper UNS C10100 (Oxygen-Free Electronic Copper)
  • Copper UNS C10200 (Oxygen-Free Copper)
  • Copper UNS C11000 (Electrolytic Tough Pitch Copper)
  • Copper UNS C12200 (Phosphorus-Deoxidized Copper)
  • Copper UNS C14500 (Tellurium Copper)
  • Class 150 Copper Weld Neck Flanges
  • Class 300 Copper Weld Neck Flanges
  • Class 600 Copper Weld Neck Flanges
  • Class 900 Copper Weld Neck Flanges
  • Class 1500 Copper Weld Neck Flanges
  • Class 2500 Copper Weld Neck Flanges

Please find below our manufacturing and Sales network below: (Contact us for detailed information for your nearest branches)

  • Weld Neck Copper Flanges manufacturer and contractor in Hyderabad
  • Weld Neck Copper Flanges manufacturer and supplier in Chennai
  • Weld Neck Copper Flanges manufacturer and stockists in Pune
  • Weld Neck Copper Flanges manufacturer and dealer in Faridabad
  • Weld Neck Copper Flanges manufacturer and warehousing in Chandigarh
  • Weld Neck Copper Flanges manufacturer and wholesalor in Delhi
  • Weld Neck Copper Flanges manufacturer and trader in Coimbatore
  • Weld Neck Copper Flanges manufacturer and stockholder in Bangalore
Industries served by Weld Neck Copper Flanges

In the oil and gas industry, blind Alloy Steel flanges are used in pipelines, storage tanks, and offshore platforms. They are employed for closing off openings during maintenance, repair, or when a branch connection is not required. Petrochemical plants utilize blind Alloy Steel flanges in equipment such as reactors, distillation columns, and storage vessels. These flanges provide a secure and leak-proof seal when closing off unused openings or isolating sections of the process.

oil gas manufacturer
Oil and Gas Industries

The oil and gas industry includes a wide range of from drilling and production to refining and marketing. Some of the major players in this include oil and gas companies, service providers, equipment.

petroleum manufacturer supplier
Petroleum Industries

In the drilling process, stainless steel is used to make drill bits, pipes, and other equipment that must withstand high pressures and temperatures. Stainless steel is also used to make pumps, valves, and fittings for the transportation.

chemical flanges
Shipbuilding in India

In storage applications, stainless steel is used to make tanks and containers that can safely store corrosive and hazardous chemicals. It is also used in piping systems for chemical transfer and distribution chemical industry.

Marking & Pricing

Products are packaged to ensure that there is no damage during of goods transport. In case of exports, standard export packaging is done with utmost care in wooden covering or boxing. All products are marked with Grade, Lot No, Size, Degree and our trade mark. On special requests we can also, make customized marking on our products.

Quality Assurance

At Naysha Steel, all fittings and flanges are subject to strict inspection at each and every stage of the production process, from starting material purchasing to product dispatch. They are visually examined for compliance to ASTM, ASME, MSS, DIN, EN, and JIS codes and standards. Upon request, official certified Inspection Agencies can be called in to witness the material reports, dimensions and quality compliance of products.

Test Certificates: Manufacturer Test Certificate as per EN 10204 / 3.1B Raw Materials Certificate, 100% Radiography Test Report, Third Party Inspection Report