WN RF Welding Neck Flange

WN RF Welding Neck Flange Product Overview The WN RF Welding Neck Flange is a premium Standard pipeline flanges designed for high-pressure, high-temperature industrial piping systems, serving as a critical industrial pipeline connection flanges that provides a permanent, leak-proof connection between pipes, valves, and equipment. As a core member of multi-standard pipe flanges family, this welding neck flange features a long tapered hub that transitions smoothly from the pipe wall thickness to the flange thickness, distributing stress evenly and eliminating stress concentration—making it ideal for critical applications such as oil & gas, petrochemical, and power generation. Unlike slip-on or blind flanges, the WN RF Welding Neck Flange is welded to the pipe both inside and outside (double welding), ensuring maximum structural integrity and leak resistance at pressures up to Class 2500 (PN420). As a standardized Standard pipeline flanges, it complies with ASME B16.5, EN 1092-1, and…

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