| Flanges Types | Weld Neck, Slip On, Long Weld Neck, Threaded, Blind, Companion, Lap Joint |
|---|---|
| Class | 150 Lbs, 300 Lbs, 600 Lbs, 900 Lbs, 1500 Lbs, 2500 Lbs Asa 150, Asa 300, Pn 6, 10, 16, 25, 40, 64, 100, 160 |
| Size | 1/2″ (15 Nb), 48″ (1200nb) Dn10~dn5000 |
| Type | Raised Face (rf), Flat Face (ff), Ring Type Joint (rtj), Lap Joint Face (ljf), Large Male Female (lmf), Small Male Female (smf), Large Tongue & Groove, Small Tongue, Groove |
Weld Neck Flanges Manufacturer in India
Smt Global Pipes & Fittings Trading L.l.c Is a leading Weld Neck Flanges manufacturer in India, offering high-quality, precision-engineered flanges designed for high-pressure and high-temperature applications. Weld neck flanges feature a long, tapered hub that provides excellent reinforcement to the connection, reducing stress concentration at the weld joint. These flanges are ideal for critical applications where strength, durability, and resistance to fatigue are essential. As a Weld Neck Flanges supplier in India, we ensure that every flange meets international quality standards and is manufactured using premium materials such as stainless steel, carbon steel, and alloy steel. These flanges are commonly used in industries such as oil & gas, petrochemical, power generation, and marine applications, where robust and leak-proof connections are crucial. The smooth transition between the flange and pipe enhances the structural integrity, making them highly reliable for demanding environments. Weld neck flanges are designed for long-term performance, reducing the risk of leakage and mechanical failure. They are commonly used in pipeline systems that undergo frequent pressure fluctuations, high-temperature conditions, and corrosive environments. Their ability to evenly distribute stress makes them the preferred choice for critical piping applications.
Type of Sub-products

Standard Weld Neck Flange Standard Weld Neck Flange
Standard Weld Neck Flanges are designed with a long tapered hub and are ideal for high-pressure, high-temperature environments. They are butt-welded to the pipe, which provides superior strength and leak-proof performance. These flanges are extensively used in industries such as oil & gas, petrochemicals, and power generation for critical applications.

Long Weld Neck Flange Long Weld Neck Flange
Long Weld Neck Flanges feature an extended neck, making them suitable for use in pressure vessels, columns, and high-integrity equipment connections. The elongated hub helps in stress distribution and provides additional reinforcement. These flanges are often found in refineries, chemical plants, and large process systems.
