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The ASME/ANSI B16.47 Series A and B Welding Neck (WN) flanges are high-strength flanges designed for large-diameter piping systems. These flanges feature a long tapered hub that ensures excellent stress distribution, making them suitable for high-pressure and high-temperature applications. Series A flanges are designed for higher stress tolerance, while Series B flanges are more compact and typically used in applications with less severe conditions.
Material Specifications:
Welding Neck flanges in Series A and B are manufactured in a wide range of materials to meet various operational requirements:
- Carbon Steel: ASTM A105, A350 LF2
- Acero inoxidable: ASTM A182 F304, F316, F321
- Alloy Steel: ASTM A182 F11, F22
- Nickel Alloys: Inconel, Monel, Hastelloy
- Duplex Stainless Steel: ASTM A182 F51, F53
Material selection ensures the flange’s performance in extreme conditions such as high pressure, high temperature, or corrosive environments.
Características principales:
- Long Tapered Hub: Provides smooth stress distribution and minimizes mechanical stress at the weld.
- High Strength: Ideal for critical applications requiring robustness and durability.
- Pressure Classes: Available in Class 75 through Class 900, covering a wide range of pressure needs.
- Versatility: Series A for critical applications and Series B for less demanding systems.
- Compliance: Manufactured to ASME/ANSI B16.47 standards for dimensions and reliability.
Aplicaciones:
- Oil & Gas: High-pressure pipelines, offshore platforms, and refineries.
- Chemical Processing: Systems handling corrosive or hazardous fluids.
- Power Generation: High-temperature steam and cooling systems.
- Marine and Offshore: Large-diameter piping systems for ships and offshore installations.
- Water Treatment: Piping systems in desalination plants and wastewater management.
