Long Weld Neck Flanges
Flanges
Long Weld Neck Flanges
Flangeman Steel Worldwide Pvt Ltd is your premier destination for top-quality Long Weld Neck Flanges. As a renowned manufacturer, supplier, stockist, and exporter based in India, we take pride in offering an extensive range of Long Weld Neck Flanges that adhere to the highest industry standards.
With a wide variety of sizes, specifications, and materials available, we ensure that our clients can find the perfect Long Weld Neck Flanges tailored to their specific project requirements. Our commitment to quality, precision, and timely delivery makes us a trusted choice for clients worldwide.
Long weld neck Flanges Manufacturer
A Long Weld Neck (LWN) Flange is a specialized flange used in piping systems to connect pipes, valves, or equipment. It is characterized by its elongated neck or hub, which provides additional reinforcement and space for welding.
he Long Weld Neck Flange is similar to a standard Welding Neck Flange but features a significantly longer neck, making it ideal for applications requiring high strength and durability. This type of flange is commonly used as a nozzle for barrels, columns, or other pressure vessels.
In addition to the standard Long Weld Neck Flange, there are variants such as Long Weld Neck Heavy Barrels (HB) and Equal LWN Barrels (E). These variants have a distinctive shape and thicker wall construction, offering enhanced performance in demanding applications.
Types Of Materials Used to Manufacture Long Weld Neck Flanges
Flanges are made up of various materials, but they depend on the environment and stress to which they are subjected.
Stainless Steel
Carbon Steel
Alloy Steel
Titanium
Duplex & Super Duplex Stainless Steel
Nickel alloy
Features of Long Weld Neck Flanges
Flange Face: The flange face is the flat or raised surface on the front of the flange that comes into contact with the mating flange or equipment. It provides a sealing surface.
Neck or Hub: The neck or hub of a long weld neck flange is the elongated section connecting the flange face to the pipe. It extends the distance between the pipe and the flange face, allowing for easy alignment and access for welding.
Tapered Neck: The neck of a long weld neck flange is tapered, meaning it has a gradually decreasing thickness along its length. This design helps reduce stress concentration and provides additional strength to withstand high-pressure and high-temperature applications.
Welding End: The end of the long weld neck flange is beveled to facilitate proper welding between the flange and the pipe. It allows for a full penetration weld, ensuring a strong and leak-free connection.
Benefits of Long Weld Neck Flanges
Strength and Durability:: The extended neck provides added structural support, making Long Weld Neck Flanges suitable for high-pressure and high-temperature applications.
Weldability: The long neck allows for easier access during welding, ensuring proper penetration and a strong joint between the flange and the pipe.
Alignment: The extended neck helps with alignment between pipes and equipment, simplifying the installation process.
Flow Characteristics: The smooth transition from the pipe to the flange face minimizes turbulence and pressure drop, improving the flow characteristics within the piping system.
Application of Long Weld-Neck-Flanges
Long weld neck flanges are widely used in various industries and applications where reliable and robust connections are required. Some of the key applications of long weld neck flanges include:
High-Pressure Systems
High-Temperature Environments
Petrochemical Industry
Oil and Gas Sector
Process Piping
Shipbuilding and Marine Industry
Power Generation and so on
Moreover, Hilton Forged India also provides Long Weld Neck Flanges in a variety of dimensions and specifications.
Standards and specifications of Long Weld Neck Flanges
| Particulars | Details |
|---|---|
| Standards | ANSI, JIS, DIN, EN1092-1, UNI, BS4504, SABS1123, AS2129, GOST-12820 |
| Dimensions | ANSI B 16.36 Orifice Flanges |
| Materials | STM A105 Long Weld Neck Flange, ASME SA105 Long Weld Neck Flange ASTM A182 Long Weld Neck Flanges, ASME SA182 Long Weld Neck Flanges ASTM A350 LF1 Long Weld Neck Flanges, LF2 CL1/CL2 Long Weld Neck Flange, LF3 CL1/CL2 Long Weld Neck Flange ASTM A694 F42 Long Weld Neck Flange, F46 Long Weld Neck Flange, F48 Long Weld Neck Flange, F50 Long Weld Neck Flange, F52 Long Weld Neck Flange, F56 Long Weld Neck Flange, F60 Long Weld Neck Flange, F65 Long Weld Neck Flange, F70 Long Weld Neck Flange ASTM B564 Long Weld Neck Flanges, ASME SB564 Long Weld Neck Flanges |
| Class | Long Weld Neck Flange 150#, Long Weld Neck Flange 300#, Long Weld Neck Flange 600#, Long Weld Neck Flange 900#, Long Weld Neck Flange 1500# & Long Weld Neck Flange 2500#, PN6 Long Weld Neck Flanges, PN10 Long Weld Neck Flanges, PN16 Long Weld Neck Flanges, PN25 Long Weld Neck Flanges, PN40 Long Weld Neck Flanges, PN63 Long Weld Neck Flanges, PN100 Long Weld Neck Flanges, PN160 Long Weld Neck Flanges, PN250 Long Weld Neck Flanges |
| Sizes | 1/2” NB TO 24” NB. |
| Nickel Alloy | ASTM / ASME SB 336 UNS 2200 ( NICKEL 200 ), UNS 2201 (NICKEL 201 ), UNS 4400 (MONEL 400 ), UNS 8020 ( ALLOY 20 / 20 CB 3, UNS 8825 INCONEL (825), UNS 6600 (INCONEL 600 ), UNS 6601 ( INCONEL 601 ), UNS 6625 (INCONEL 625), UNS 10276 ( HASTELLOY C 276 ), ASTM A182 F304/304L Long Weld Neck Flange, ASTM A182 F304H Long Weld Neck Flange, ASTM A182 F304L Long Weld Neck Flange, ASTM A182 F304 Long Weld Neck Flange, ASTM A182 309H Long Weld Neck Flange, ASTM A182 310H Long Weld Neck Flange, ASTM A182 310 Long Weld Neck Flange.
ASTM A182 F316/316L Long Weld Neck Flange, ASTM A182 F316H Long Weld Neck Flange, ASTM A182 F316L Long Weld Neck Flange, ASTM A182 F316 Long Weld Neck Flange. |
| Stainless Steel |
ASTM A182 F316/316L Long Weld Neck Flange, ASTM A182 F316H Long Weld Neck Flange, ASTM A182 F316L Long Weld Neck Flange, ASTM A182 F316 Long Weld Neck Flange, ASTM A182 F316Ti Long Weld Neck Flange, ASTM A182 F317 Long Weld Neck Flange, ASTM A182 F317L Long Weld Neck Flange, ASTM A182 F321 Long Weld Neck Flange, ASTM A182 F321H Long Weld Neck Flange. ASTM A182 F347 Long Weld Neck Flange, ASTM A182 F347H Long Weld Neck Flange, ASTM A182 F904L Long Weld Neck Flange ASTM A182 F44 Long Weld Neck Flange, ASTM A182 F51Long Weld Neck Flange, ASTM A182 F53 Long Weld Neck Flange, ASTM A182 F55 Long Weld Neck Flange, ASTM A182 F60 Long Weld Neck Flange |
| Alloy Steel | ASTM A182 F1, A182 F5, A182 F9, A182 F11, A182 F12, A182 F22, A182 F91 |
At Flangeman Steel Worldwide Pvt Ltd, we conduct rigorous hardness and toughness testing on all Long Weld Neck Flanges before dispatch to ensure consistent quality and performance. Our commitment to excellence has earned us the trust and satisfaction of over 99% of our customers worldwide.
As one of the leading Long Weld Neck Flanges suppliers in India, we also offer a comprehensive range of other flange types, including Blind Flanges, Lap Joint Flanges, Socket Weld Flanges, Threaded Flanges, and more. Each product undergoes thorough inspection by our experienced quality control team to ensure it meets international standards and customer specifications.
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