Weldo Flanges / Nipo Flanges are specialized forged branch connection fittings designed to provide a secure and reliable transition from a larger run pipe to a smaller branch outlet. Combining the functionality of a weldolet and a nipple, these components help simplify piping layouts while maintaining structural integrity and flow efficiency. Gopal Forge Industries™ manufactures premium-quality Weldo Flanges / Nipo Flanges for demanding applications across oil & gas, petrochemical, power generation, offshore, chemical processing, and industrial piping systems.
Weldo Flanges / Nipo Flanges, Weldo Flanges / Nipo Flanges Manufacturers, Weldo Flanges / Nipo Flanges Suppliers, Weldo Flanges / Nipo Flanges Stockists, Weldo Flanges / Nipo Flanges Exporters
Gopal Forge Industries™ is recognized among trusted Weldo Flanges / Nipo Flanges manufacturers committed to delivering precision-engineered products that meet the highest industry standards. Our advanced forging and machining capabilities ensure excellent dimensional accuracy, superior mechanical strength, and long-term durability. Every product is manufactured under strict quality control procedures to guarantee reliable performance in critical industrial applications.
As experienced Weldo Flanges / Nipo Flanges exporters, Gopal Forge Industries™ supplies high-quality branch connection solutions to customers across international markets. Our export operations are supported by comprehensive quality documentation, export-grade packaging, and efficient logistics management. This enables us to deliver products that consistently meet project specifications and global industry requirements.
Gopal Forge Industries™ has earned a strong reputation among reliable Weldo Flanges / Nipo Flanges suppliers by offering a broad range of sizes, wall thicknesses, pressure ratings, and material grades. Our experienced technical team works closely with customers to identify the most suitable branch connection solutions for their specific piping requirements. This consultative approach helps improve system performance and operational reliability.
As dependable Weldo Flanges / Nipo Flanges stockists, we maintain extensive inventory to support urgent maintenance requirements, shutdown schedules, and fast-track project demands. Our ready stock includes carbon steel, stainless steel, alloy steel, duplex steel, super duplex steel, and nickel alloy grades. This inventory availability enables faster deliveries and reduced procurement lead times for industrial customers.
Among leading Weldo Flanges / Nipo Flanges manufacturers, Gopal Forge Industries™ continuously invests in modern manufacturing technologies and rigorous quality assurance systems. Each product undergoes detailed inspection, dimensional verification, and material testing before dispatch. Our focus on quality and consistency has established us as a trusted partner for critical industrial piping applications worldwide.
Being professional Weldo Flanges / Nipo Flanges suppliers, we provide complete industrial piping solutions beyond branch connection fittings. Our product portfolio includes pipe fittings, buttweld fittings, carbon steel elbow, stainless steel elbow, reducers, tees, forged fittings, flanges, valves, and related piping accessories. This comprehensive offering enables customers to source compatible products from a single reliable supplier while optimizing procurement efficiency.
Weldo Flanges / Nipo Flanges Manufacturers in India, Weldo Flanges / Nipo Flanges Suppliers in India, Weldo Flanges / Nipo Flanges Stockists in India, Weldo Flanges / Nipo Flanges Exporters in India
Weldo Flanges / Nipo Flanges Specification
| Weldo Flanges / Nipo Flanges |
Forged and machined piping components used for connecting branch outlets,
nozzles and pipe sections in high-pressure piping systems. Available in
equal and reducing configurations and manufactured according to
international standards or customer drawings.
|
| Technical description |
Weldo Flanges / Nipo Flanges are manufactured by forging, heat treatment
and precision machining. Available with Raised Face (RF), Flat Face (FF),
Ring Type Joint (RTJ), Lap Joint Face (LJF), Large/Small Male-Female
(LMF/SMF), Tongue & Groove and other special facing configurations.
Custom designs are available as per customer drawings and project
specifications.
|
| Available sizes |
1/2" (15 NB) to 48" (1200 NB), DN10 to DN5000, depending on configuration
and applicable standard. Special equal and reducing configurations are
available, including 15 NB (1/2") to 200 NB (8") for selected designs.
|
| Standards |
ASME/ANSI B16.5, ASME B16.36, ASME B16.47 Series A & B,
ASME B16.48, MSS SP-44, API 605, BS 10, BS 4504, BS 3293,
BS 1560, AS 2129, EN 1092-1, DIN standards, JIS B2220,
KS B1503, GOST 12820, SABS 1123, NFE 29203, UNI 2276,
AWWA C207 and other international or customer-specific standards.
|
| Material grades |
Carbon Steel, Stainless Steel, Alloy Steel and other materials according
to application and customer specifications. Common forged grades include
ASTM A105, ASTM A182 F304/F304L, F316/F316L, F321, F347 and applicable
alloy-steel grades.
|
| Pressure ratings |
ASME/ANSI: Class 150, 300, 600, 900, 1500 and 2500 LBS.
DIN/EN: PN6, PN10, PN16, PN25, PN40 and PN64.
JIS: 5K, 10K, 16K, 20K, 30K, 40K and 63K.
Pressure-temperature ratings depend on material, size, thickness and
applicable standard.
|
| Dimensions |
Dimensions, bore, outside diameter, flange thickness, bolt-hole diameter,
bolt-hole number, PCD and overall configuration are manufactured according
to ASME, ANSI, DIN, EN, BS, JIS, GOST, UNI or customer drawing requirements.
Available configurations include equal and reducing types.
|
| Flange face types |
Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ), Lap Joint Face
(LJF), Large Male-Female (LMF), Small Male-Female (SMF), Small Tongue,
Large Tongue & Groove, Groove and special facing configurations.
|
| Manufacturing process |
Forged, heat treated and precision machined.
|
| Applications |
Oil & gas, petrochemical plants, chemical processing, refineries,
heavy-oil processing, bitumen upgraders, power generation, nuclear power,
water treatment and industrial piping systems.
|
| Testing & inspection |
Hydrostatic testing, radiography testing (RT), ultrasonic testing (UT),
magnetic particle testing (MPI), dimensional inspection and material
verification by direct-reading spectrograph, as applicable.
|
| Test certificates |
EN 10204 3.1 / 3.2 Material Test Certificates (MTC), Raw Material
Certificates, 100% Radiography Test Reports, Third-Party Inspection
Reports and NACE MR0103 / NACE MR0175 certification where required.
|
| Coating / surface treatment |
Oil Black Paint, Anti-Rust Paint, Zinc Plated, Yellow Transparent,
Cold-Dip Galvanized and Hot-Dip Galvanized finishes are available
according to project requirements.
|
| Special design |
Manufactured as per customer drawings and project specifications.
Available in ASME, ANSI, BS, DIN, EN, JIS and other standards, with
equal and reducing configurations.
|
| Origin |
Indian, European, Japanese, American and Korean origin materials/products
available subject to customer requirements.
|
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FAQ's
Weldo Flanges are specialized flange fittings used for
making branch connections in piping systems. They are welded directly
to the branch pipe or fitting and are commonly used in high-pressure
and high-temperature applications where a strong and reliable
connection is required.
Nipo Flanges are a combination of a weld neck flange
and nipple, providing a compact connection for small-bore piping,
instrumentation, valves, and equipment. They are particularly useful
where space is limited and a strong welded connection is required.
Weldo and Nipo Flanges are commonly manufactured in
Carbon Steel, Stainless Steel, Alloy Steel, and Duplex Stainless Steel.
Material selection depends on the operating pressure, temperature,
corrosion conditions, and application requirements.
Weldo and Nipo Flanges are widely used in
oil & gas, petrochemical, chemical processing,
power generation, refineries, pressure vessels, and industrial
piping systems. Nipo Flanges are particularly suitable
for small-bore connections and instrumentation applications.
The main difference is their construction and application.
Weldo Flanges are primarily used for welded branch
connections, while Nipo Flanges combine a flange
with an integrated nipple and are commonly used for connecting
small-bore piping, instruments, and valves. Both provide strong
and reliable connections for demanding piping applications.
Application of Weldo Flanges / Nipo Flanges
Latest Price List of Weldo Flanges / Nipo Flanges
The latest market pricing for Weldo Flanges / Nipo Flanges depends on factors such as material grade, outlet size, pressure class, wall thickness, testing requirements, and fluctuations in raw material costs. Carbon steel Weldo Flanges / Nipo Flanges are generally considered economical for standard industrial applications, while stainless steel, duplex steel, super duplex steel, alloy steel, and nickel alloy variants are available at higher market values due to their enhanced corrosion resistance and mechanical performance. Gopal Forge Industries™ offers competitive market-based pricing and customized quotations for EPC projects, OEM applications, and bulk procurement requirements.
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