A Stainless Steel Weld Neck Flange is a type of flange used in piping and plumbing systems to connect pipes, valves, and other equipment. It is designed to be welded to the neck of a pipe, creating a strong and leak-proof connection. Here are some key details about stainless steel weld neck flanges, including types, grades, features, and applications:
Standard Weld Neck Flange: This is the most common type of weld neck flange, featuring a circular design with a tapered hub and a neck that connects to the pipe. It is suitable for most applications.
Long Weld Neck Flange: This type has a longer neck, providing additional reinforcement and support for high-pressure and high-temperature applications.
Swivel Ring Flange: These flanges have a rotating ring that allows for easy alignment during welding, making them useful in situations where alignment is critical.
Weld Neck Raised Face Flanges: These Flanges are one of the most commonly used flanges in the piping industry. They are easy to recognize with their long tapered hub that is matched to the wall thickness (bore) of the pipe.
Grades: SS Weld Neck Flanges are available in various grades, with the most common ones being from the 300 series, such as Stainless Steel 304 Weld Neck Flanges and Stainless Steel 316 Weld Neck Flanges. The grade you choose depends on the specific requirements of your application. For example, 304 stainless steel is often used in general applications, while 316 stainless steel offers enhanced corrosion resistance and is suitable for marine or chemical industry applications.
Table of Content
Corrosion Resistance: Stainless steel weld neck flanges are known for their excellent corrosion resistance, which makes them suitable for applications involving exposure to various corrosive environments.
High Strength: They provide a strong and durable connection, making them ideal for high-pressure and high-temperature applications.
Easy Welding: The design of the weld neck flange allows for easy welding, creating a secure and leak-free connection.
Smooth Flow: The tapered hub of the flange promotes smooth fluid flow, reducing turbulence and pressure drop in the piping system.
Stainless steel weld neck flanges are used in a wide range of industries and applications, including:
Oil and gas industry
Chemical and petrochemical processing
Food and beverage industry
Water treatment plants
Marine and offshore applications
These flanges are particularly well-suited for applications where hygiene, strength, and corrosion resistance are essential. The choice of type and grade of stainless steel weld neck flange will depend on the specific requirements of the project and the operating conditions. Proper installation and welding techniques are crucial to ensure a reliable and leak-free connection.
|Specifications||ASTM A 182/ ASME SA182|
|Dimensions||ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings|
|Standard||ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.|
|Size||1/2″ (15 NB) to 48″ (1200NB)|
|Class / Pressure||150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS, DIN Standard ND-6,10, 16, 25, 40 Etc.|
|Flange Face Type||Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)|
|Raw materials Source||JSPL, Mukund Steel, Tata Steel, Dhamm Steel, Usha Martin,etc.|
|Threads Configuration||ASME B1.1 2A/3A – 2B/3B Inch Unified Threads and B1.13M 6h-6G Metric Coarse Threads|
|Certification||Dual Certified As per ASTM & ASME Codes|
|Dimensions||DIN 931, 933, 934, 7991, 976, 125, ASME B18.2.1, B18.3|
|Threads||Unless otherwise specified, the threads shall be rolled or cut and tapped horizontally or vertically|
|Test Certificate||as per EN 10204 / 3.1 Manufacturer Test Certificate|
|Additional Certifications||PED 97/23/EC Certified, Merkblatt AD 2000 W2 Certified|
|Production process||M24-M100: hot forging , M2-M24: Cold Froging, for custom-made connecting element machining and CNC|
STOCKIST & SUPPILERS FOR STAINLESS STEEL WELD NECK Flanges IN INDIA, CUSTOM SIZES SS WELD NECK, WNRTJ, WNFF Flanges AS PER CLIENT REQUIREMENT
|Size in Inch||Size in mm||Outer Diameter||Flange Thickness||Hub OD||Weld Neck OD||Welding Neck Length||Bore||RF Diameter||RF Height||PCD||Weld Face|
|1/2||15||95||14.3||38||21.3||52||Welding Neck bore is derived from the pipe schedule||34.9||7||66.7||1.6|
|1 1/ 4||32||117.3||15.7||1.3|
|1 1/ 2||40||127||17.5||1.7|
|2 1/ 2||65||177.8||22.4||4.1|
|3 1/ 2||90||215.9||23.9||6.1|
We Serve Application Industry
Weld Neck Flanges applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
Yemen, Sri Lanka, Chile, Oman, Nigeria, Tibet, Gabon, South Africa, India, Ecuador, Angola, Peru, Namibia, Pakistan, United Arab Emirates, Bulgaria, Morocco, Malaysia, France, Poland, Bangladesh, Tunisia, Australia, Macau, Kuwait, Singapore, Philippines, Belgium, Bolivia, Zimbabwe, Brazil, Iraq, Canada, Spain, Russia, Egypt, Norway, Estonia, Qatar, Portugal, Slovakia, Taiwan, Mexico, Bahrain, United States, Sweden, Romania, China, Netherlands, Iran, Greece, Indonesia, Venezuela, Serbia, Japan, Iran, Lithuania, Mexico, Switzerland, New Zealand, Poland, Ukraine, Ghana, United Kingdom, Afghanistan, Costa Rica, Germany, South Korea, Gambia, Austria, Nigeria, Czech Republic, Turkey, Chile, Algeria, Mongolia, Finland, Thailand, Bhutan, Azerbaijan, Vietnam, Lebanon, Belarus, Kazakhstan, Puerto Rico, Ireland, Libya, Italy, Hungary, Hong Kong, Kenya, Trinidad & Tobago, Croatia, Argentina, Denmark, Nepal, Jordan, Israel, Colombia, Saudi Arabia.
Pimpri-Chinchwad, Nashik, Gurgaon, Haryana, Secunderabad, Chennai, Colombo, Jaipur, Ahmedabad, Chandigarh, Baroda, Ernakulam, Visakhapatnam, Surat, Rajkot, Mumbai, Kolkata, Jamshedpur, Pune, Hyderabad, Indore, Thane, Bengaluru, Ludhiana, Coimbatore, Navi Mumbai, Faridabad, Thiruvananthapuram, Ranchi, Noida, Kanpur, Vadodara, Bhopal, New Delhi, Howrah, Nagpur.