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Weld Neck Flange


High-pressure weld neck flanges in DN15-DN600, ANSI/DIN/JIS/GB standards. Materi…

Quick Specifications
StandardANSI/ASME, DIN, JIS, GB
Pressure Class150# – 2500# / PN6 – PN420
Size Range1/2″ – 120″ (DN15 – DN3000)
MaterialCarbon Steel, Alloy Steel, SS
SurfaceFF / RF / RTJ / RJ

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Product Details

Weld Neck Flanges are designed to be butt-welded to a pipe, providing superior strength and integrity for high-pressure and high-temperature applications. The long tapered hub distributes stress and reduces stress concentration at the base of the flange.

Key Features:
• Superior strength for high-pressure applications
• Excellent for high-temperature environments
• Smooth bore minimizes turbulence and erosion
• Available in all pressure classes and sizes

Specifications:
• Size Range: DN15 – DN600 (1/2" – 24")
• Pressure Class: 150# / 300# / 600# / 900# / 1500# / 2500#
• Standards: ANSI/ASME B16.5, DIN 2633, JIS B2220, GB/T 9115
• Materials: 304, 304L, 316, 316L, 321, 310S, 904L, F51 Duplex
• Face Types: Raised Face (RF), Flat Face (FF), Ring Type Joint (RTJ)

Applications:
Oil & gas pipelines, chemical plants, power generation, petrochemical industry, marine and offshore platforms.

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