At Metafit Piping Industries, we specialize in high-performance piping components that meet the toughest industrial demands. One of our most trusted offerings is the Weld Neck Flanges a precision-engineered flanges designed to handle extreme pressure and temperature fluctuations. As one of the premier Weld Neck Flanges Manufacturers in India, we supply solutions built to last, tested for strength, and tailored to suit a wide range of engineering applications across the globe.
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What is Weld Neck Flanges?
So, what exactly is a Weld Neck Flanges? Also known as a tapered hub flange or high-hub flange, this component features a long tapered neck that provides reinforced structural stability. The tapered hub allows it to be directly welded to the pipe, forming a secure, leak-free connection. Renowned for their strength and durability, Weld Neck Flanges Suppliers recommend them for use in high-pressure systems, critical pipelines, and offshore operations due to their integrity under stress.
Advantages of Weld Neck Flanges?
The main advantages of choosing a Weld Neck Flange are its unmatched mechanical strength, low stress concentration at the base of the hub, and superior performance in harsh conditions. Unlike slip-on or socket weld flanges, the weld neck design minimizes turbulence and erosion, making it ideal for transporting hazardous or volatile media. As experienced Weld Neck Flanges Stockists, we ensure all our products are corrosion-resistant, dimensionally accurate, and tested to meet strict industrial standards. Clients from the USA, Germany, Saudi Arabia, and Singapore trust our flanges for their reliability in mission-critical infrastructure.
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Industry That Use Slip of flanges?
Metafit Piping Industries caters to a broad spectrum of sectors that require superior piping systems. Our Weld Neck Flanges Exporters team supports global demand by delivering products that perform consistently across industries:
- Weld Neck Flanges for Oil and Gas Industry – Vital for high-pressure drilling pipelines, these flanges withstand corrosive environments and intense pressure loads.
- Weld Neck Flanges for Petrochemical Industry – Used in refining and chemical processing plants where leak-proof joints and heat resistance are critical.
- Weld Neck Flanges for Power Generation – Employed in thermal, hydro, and nuclear plants to ensure safe flow of steam and water at high temperatures.
- Weld Neck Flanges for Shipbuilding Industry – Integrated into marine piping systems where vibrations and harsh conditions demand secure connections.
- Weld Neck Flanges for Food and Beverage Processing – Fabricated in stainless steel grades for hygienic applications requiring smooth, clean weld joints.
- Weld Neck Flanges for Water Treatment Facilities – Used in water filtration plants, desalination units, and wastewater systems for their durability and sealing capacity.
Our range of Weld Neck Flanges is available in various international standards including ASME B16.5, ANSI, EN 1092-1, DIN, JIS, BS, and ISO. We manufacture flanges in grades such as ASTM A105, A182 F304/L, F316/L, F321, F11, and F22, ensuring compatibility with every global specification. As certified Weld Neck Flanges Suppliers, we follow stringent quality control processes and third-party inspections to guarantee compliance.
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Different countries refer to Weld Neck Flanges with slight variations in terminology. In the United States and Canada, they’re widely recognized simply as “weld necks” or “WN flanges.” European nations like Germany and Italy often call them “flansche mit schweißhals” or “colletto saldato.” In Japan, they’re known as “welded neck flange type,” while Middle Eastern countries use a blend of English and local industrial dialects to describe them. Despite these naming differences, the functionality and demand remain globally consistent.
As trusted Weld Neck Flanges Exporters, Metafit Piping Industries delivers worldwide with efficient logistics, proper documentation, and export-grade packaging. Whether your project is based in Kuwait, Qatar, South Africa, or Brazil, we ensure timely delivery and top-quality products backed by certifications such as ISO, IBR, PED, and NORSOK.
Weld Neck Flanges Specifications?
| ASME B16.5 Weld Neck Flange Size Chart | 1/2" (15 NB) to 48" (1200NB) DN10~DN5000 |
|---|---|
| Weld Neck Flange Pressure Rating ANSI | Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS Weld Neck Flange |
| Weld Neck Flange Pressure Calculation in DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 Weld Neck Flange |
| Weld Neck Flange Standards | ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Weld Neck Flange, ASME Weld Neck Flange, BS Weld Neck Flange, DIN Weld Neck Flange, EN Weld Neck Flange, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092 |
| weld neck flange EN 1092 1 | 6Bar 10Bar 16Bar 25Bar 40Bar Weld Neck Flange |
| Coating weld neck Flanges ANSI B16.5 | Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized Weld Neck Flange |
| Most common types of Weld Neck Flange | Forged / Threaded / Screwed / Plate |
| JIS welding neck flange EN 1092 | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K Weld Neck Flange |
| UNI table e weld neck Flanges | 6Bar 10Bar 16Bar 25Bar 40Bar Weld Neck Flange |
| Test Certificates flange wnrf ASME B16.5 | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Special design weld neck rtj flange |
As per your drawing AS, ANSI, BS, DIN and JIS |
| Stainless Steel weld neck orifice Flanges Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
| Carbon Steel weld neck raised face flange Equipment | Press machine, Bending machine, Pushing Machine, electric bevelling machine, Sand-blasting machine etc |
| Production technique |
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| Connect Type/ Flange Face Type | Raised Face (RF), Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, Groove |
| Origin Of ASTM A182 SS weld neck reducing flange | Indian / West Europe / Japan / USA / Korean |
| Manufacturer of stainless steel weld neck flange manufacturers |
ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
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| Weld Neck Flange Uses & application |
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| Export to weld neck threaded flange | Ireland, Singapore, Indonesia, Ukraine, Saudi Arabia, Spain, Canada, USA, Brazil, Thailand, Korea, Iran, India, Egypt, Oman, Dubai, Peru, etc |
| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
| stainless steel weld neck flange manufacturers in india | |
Latest Price List of Weld Neck Flanges
It is available on request from trusted manufacturers exporters suppliers and stockists who focus on reliable quality and steady delivery. They support projects across many industries by offering durable materials consistent standards and responsive service that helps buyers choose the right option for their needs.