Weld Neck Raised Face Pipe Flange, DN400, SCH60, CL600, ASTM A105N Carbon Steel, ASME B16.5

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BrandHuaSpareSKUAIG20260922135737001
CategorySealing ProductsStock250In Stock
Unitpiece
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Product Overview

This Weld Neck Raised Face (WNRF) Pipe Flange is manufactured in strict compliance with ASME B16.5 and ASTM A105N standards, forged from high-quality carbon steel for reliable high-pressure piping system connections. Designed with a long tapered hub and raised face sealing surface, it delivers exceptional structural strength and leak-tight performance for heavy-duty industrial applications.

Key Features

  • Forged ASTM A105N carbon steel construction for high strength and impact resistance
  • Raised face (RF) design ensures reliable, leak-proof sealing with compatible gaskets
  • Weld neck structure provides enhanced stress distribution for high-pressure, high-temperature piping
  • Full compliance with ASME B16.5 dimensional standards for universal interchangeability
  • Precision machined sealing surface and bolt holes for accurate alignment and easy installation
  • Suitable for Class 600 pressure rating applications across industrial fluid systems

Specifications

Parameter Value
Flange Type Weld Neck Raised Face (WNRF)
Nominal Size DN 400 (NPS 16)
Pressure Class Class 600
Pipe Schedule SCH 60
Material Carbon Steel (CS)
Material Standard ASTM A105N
Dimensional Standard ASME B16.5
Outside Diameter 686 mm
Raised Face Diameter 603.3 mm
Bore Diameter 41.1 mm (matching SCH 60 pipe wall)
Number of Bolt Holes 20
Sealing Surface Raised Face (RF)

Applications

This WNRF carbon steel flange is widely used in heavy-duty industrial piping systems, including oil and gas transmission, chemical processing, power generation, water treatment, petrochemical plants, and general industrial fluid handling systems. It is ideal for high-pressure, high-temperature piping connections where structural integrity and leak-tight performance are critical.

Package Contents

  • 1 x Weld Neck Raised Face Pipe Flange (DN400, SCH60, CL600, ASTM A105N Carbon Steel, ASME B16.5)