Weld Neck Flange Manufacturer and Supplier in India
Neelam Forge India is one of the reputable Weld Neck Flange Manufacturers and Suppliers in India. Weld Neck Flanges is available in different grades and size from 1/4” to 48". Weld Neck Flange is an excellent choice for joining high-pressure pipes in the piping system. The fabrication costs are considerably high due to welding neck. The Weld Neck flanges are joined with the pipe the flange welding neck creates a strong connection that is simple to assemble.
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Weld Neck Flanges Manufacturers, Stainless Steel Weld Neck Flanges, ANSI B16.5 Weld Neck Flanges Supplier, Weld Neck Flanges Stockholders, WNRF Flange Manufacturers in India
Neelam Forge India is a Manufacturer and Supplier Of High-Quality Weld Neck Forged Flanges in India. Weld Neck Pipe Flanges are manufactured in various standards ASTM A182, ASTM A240, ASME, and DIN. Our SS Weld Neck Class 300 Flange has excellent strength and corrosion-resistant properties. The A182 Gr F304 Weld Neck Flanges supplied by Neelam Forge India are at a competitive price and the best quality. We are prominent SS Flange Manufacturer in India.
Standard Specification of Weld Neck Flanges
| Size |
1/2″ (15 NB) to 48″ (1200NB)
|
| Standards |
ANSI B16.5, ANSI B16.47 Series A & B, MSS SP44, ASA, API-605, AWWA, Custom Drawings |
| Pressure Ratings |
Class 150, Class 300, Class 400, Class 600, Class 900, Class1500, Class 2500 | PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Dimensions |
ANSI B16.5, ANSI B16.47 Series A & B, ASA, API-605, MSS SP44, AWWA, Custom Drawings |
| Flange Face Type |
Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
| Coating/Surface Treatment |
Anti-rust Paint, Oil Black Paint, Yellow Transparent, Zinc Plated, Cold and Hot Dip Galvanized |
| Stainless Steel Weld Neck Flanges |
ASTM A182 F304/304L/304H, F316/316L, F316H, F316TI, F310, F321, F904L |
| Special Alloy Weld Neck Flanges |
Duplex, Super Duplex, Nickel Alloy |
Types of Flat Flanges
Weld Neck Flange Dimensional Tolerances
| Dimensional Tolerances | |
| Outside Diameter ≤ 24 = 1.6 mm | > 24 = ± 3.2 mm |
Inside Diameter ≤ 10 = ± 0.8 mm | ≥ 12 = + 1.6 mm / – 0 mm |
| Diameter of Contact Face 1.6 mm Raised Face = ± 0.8 mm 6.35 mm Raised Face, Tongue & Groove / Male-Female = ± 0.4 mm |
Outside Diameter of Hub ≤ 12 = + 2.4 mm / – 1.6 mm | ≥ 14 = ± 3.2 mm |
| Diameter of Counterbore Same as for Inside Diameter |
Drilling Bolt Circle = 1.6 mm | Bolt Hole Spacing = ± 0.8 mm Eccentricity of Bolt Circle with Respect to Facing ≤ 2½ = 0.8 mm max. | ≥ 3 = 1.6 mm max. |
| Thickness ≤ 18 = + 3.2 mm / – 0 | ≥ 20 = + 4.8 mm / – 0 |
Length thru Hub ≤ 18 = + 3.2 mm / – 0.8 mm | ≥ 20 = + 4.8 mm / – 1.6 mm |
Weld Neck Flange Dimensions Chart
| ANSI, ASME, ASA, B16.5 150lb/sq.in. WELDING NECK FLANGE RF | |||||||||||
| ø | D | b | g | m | a | J* | h | k | Holes | l | Kg. |
| 1/2" | 88,9 | 11,1 | 34,9 | 30,2 | 21,3 | 15,7 | 47,6 | 60,3 | 4 | 15,9 | 0,500 |
| 3/4" | 98,4 | 12,7 | 42,9 | 38,1 | 26,7 | 20,8 | 52,4 | 69,8 | 4 | 15,9 | 0,700 |
| 1" | 107,9 | 14,3 | 50,8 | 49,2 | 33,5 | 26,7 | 55,6 | 79,4 | 4 | 15,9 | 1,100 |
| 1 1/4" | 117,5 | 15,9 | 63,5 | 58,8 | 42,2 | 35,1 | 57,1 | 88,9 | 4 | 15,9 | 1,500 |
| 1 1/2" | 127,0 | 17,5 | 73,0 | 65,1 | 48,3 | 40,9 | 61,9 | 98,4 | 4 | 15,9 | 1,800 |
| 2" | 152,4 | 19,0 | 92,1 | 77,8 | 60,3 | 52,6 | 63,5 | 120,6 | 4 | 19,0 | 2,700 |
| 2 1/2" | 177,8 | 22,2 | 104,8 | 90,5 | 73,1 | 62,7 | 69,8 | 139,7 | 4 | 19,0 | 4,400 |
| 3" | 190,5 | 23,8 | 127,0 | 107,9 | 88,9 | 78,0 | 69,8 | 152,4 | 4 | 19,0 | 5,200 |
| 3 1/2" | 215,9 | 23,8 | 139,7 | 122,2 | 101,6 | 90,2 | 71,4 | 177,8 | 8 | 19,0 | 6,400 |
| 4" | 228,6 | 23,8 | 157,2 | 134,9 | 114,3 | 102,4 | 76,2 | 190,5 | 8 | 19,0 | 7,500 |
| 5" | 254,0 | 23,8 | 185,7 | 163,5 | 141,2 | 128,3 | 88,9 | 215,9 | 8 | 22,2 | 9,200 |
| 6" | 279,4 | 25,4 | 215,9 | 192,1 | 168,4 | 154,2 | 88,9 | 241,3 | 8 | 22,2 | 11,000 |
| 8" | 342,9 | 28,6 | 269,9 | 246,1 | 219,1 | 202,7 | 101,6 | 298,4 | 8 | 22,2 | 18,300 |
| 10" | 406,4 | 30,2 | 323,8 | 304,8 | 273,0 | 254,5 | 101,6 | 361,9 | 12 | 25,4 | 25,000 |
| 12" | 482,6 | 31,7 | 381,0 | 365,1 | 323,8 | 304,8 | 114,3 | 431,8 | 12 | 25,4 | 39,000 |
| 14" | 533,4 | 34,9 | 412,7 | 400,0 | 355,6 | 336,5 | 127,0 | 476,2 | 12 | 28,6 | 51,000 |
| 16" | 596,9 | 36,5 | 469,9 | 457,2 | 406,4 | 387,3 | 127,0 | 539,7 | 16 | 28,6 | 60,000 |
| 18" | 635,0 | 39,7 | 533,4 | 504,8 | 457,2 | 438,1 | 139,7 | 577,8 | 16 | 31,7 | 71,000 |
| 20" | 698,5 | 42,9 | 584,2 | 558,8 | 508,0 | 488,9 | 144,5 | 635,0 | 20 | 31,7 | 88,000 |
| 22" | 749,3 | 46,0 | 641,2 | 609,6 | 558,8 | 539,7 | 149,2 | 692,1 | 20 | 34,9 | 102,000 |
| 24" | 812,8 | 47,6 | 692,1 | 663,6 | 609,6 | 590,5 | 152,4 | 749,3 | 20 | 34,9 | 119,000 |
| * | The data "J" corresponds to the STD schedule | ||||||||||
Different Types Of Weld Neck Flanges Available in Stock
Application Of SORF Weld Neck Flanges
Packing Of Weld Neck Flange
The packing is done export-worthy, making sure the client receives our SS Weld Neck Flanges in good condition.
Neelam Forge India is a Manufacturer and Supplier of Flange in Mumbai, India.- Neelam Forge India
SS Weld Neck Flange Manufacturer and Supplier in India
Pune, Salem, Ahmedabad, Gujarat, Ranchi, Vapi, Chandigarh, Thrissur, Visakhapatnam, Bhubaneswar, Rewa, Indore, Haryana, Prayagraj, Vijayawada, Bhosari, Thiruvananthapuram, Bangalore, Navi Mumbai, Raipur, Varanasi, Mumbai, Hyderabad, Kerala, Cochin, Lucknow, Kolkata, Coimbatore, Kanpur, Jamnagar, Kochi, Nashik, Pimpri-Chinchwad, Bharuch, Bareilly, Chennai, Jamshedpur.
SS Weld Neck Flange Exporter in India
Germany, Indonesia, South Africa, Portugal, Netherlands, United Kingdom (UK), Oman, Brazil, Singapore, Bahrain, Sri Lanka, Maldives, Kuwait, Azerbaijan, Iran, Dubai, Bolivia, Russia, Angola, Vietnam, Canada, Switzerland, Nigeria, Norway, UAE, Algeria, Thailand, Mexico, Venezuela, Denmark, Vietnam, USA, Turkey, Italy, Australia, India, Iraq, Qatar, Malaysia, Saudi Arabia, Palestine, Kazakhstan, Tobago.