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Welding Neck Flanges
Pioneers in the industry, we offer wnrf flange from India.WNRF Flange
Product Details:
| Minimum Order Quantity | 5 Piece |
| Size | 18 inch |
| Size/Diameter | 30 inch |
| Usage/Application | Industrial |
| Material | Stainless Steel |
| Product Type | ROUND |
| Rated Pressure | 150/300/600/900/1500/2500 |
| Grade | ss |
| Shape | ROUND |
| Face Diameter | SIZE DEPEND |
| Material Grade | A105 |
| Hub Diameter | SIZE DEPEND |
| Surface Finishing | FINISH |
| Head Code | 7307 |
| Pressure | 150/300/600/900/1500/2500 |
| Material Standard | ASTM A105 |
| Country of Origin | Made in India |
A Weld Neck Raised Face (WNRF) Flange is a type of steel flange designed to be butt-welded to a pipe. It has a long tapered hub that provides strength and reduces stress concentration at the weld joint. The raised face (RF) helps create a better sealing surface when bolted with gaskets.
Key Features-
Design: Long tapered hub + circular flange plate
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Connection: Butt-welded to pipe for high integrity
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Sealing Face: Raised Face (standard 1.6 mm or 6.4 mm depending on pressure class)
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Standards: ASME B16.5, DIN, BS, EN, IS
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Pressure Ratings: Class 150, 300, 600, 900, 1500, 2500
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Sizes: Typically from ½” (15 mm) to 48” (1200 mm)
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Materials: Carbon steel (A105), Alloy steel, Stainless steel, Duplex, etc.
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Excellent strength for high-pressure and high-temperature service
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Smooth bore (good flow, reduces turbulence)
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Strong connection due to full penetration butt weld
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Reliable sealing with raised face
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Oil & Gas pipelines
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Petrochemical plants
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Power plants & Boilers
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High-pressure process piping
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Shipbuilding & Offshore platforms
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