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  • Weld neck flanges
  • Weld neck flanges
  • Weld neck flanges
  • Weld neck flanges
  • Weld neck flanges
Weld neck flangesWeld neck flangesWeld neck flangesWeld neck flangesWeld neck flanges

Weld neck flanges

  • Category: Flanges
  • Material: stainless steel, carbon steel, alloy steel, titanium, copper, aluminum
  • Diameter size: B16.5/B16.47, 1/2”-36”,150#-2500#
  • Weight: from 1KG to 5000KG
  • Series A & Series B
Product Description:

Also known as a high-hub flange or a tapered hub flange, weld-neck flanges are designed to be joined to a piping system by butt-welding. Weld Neck flanges are preferred when piping is subject to high stresses, high-pressures or subzero/elevated temperatures. The neck, or hub, helps to transmit environmental stress at the flange with the pipe to which it is welded to. The gradual transition of thickness from the base of the hub to the wall thickness at the butt weld provides important reinforcement of the flange. Turbulence and erosion are reduced due to the matching bore size of the pipe and flange. These flanges are bored to match the ID of the mating pipe so there is no restriction of flow.

KSN can supply forged weld neck flanges by all kinds of materials according to customer’s drawings and technical requirements.

The heat treatment and surface treatment for forged flanges will be performed according to customer’s requirements.

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