Weld Neck Flange

  1. Stable integrated disc+neck design, disperses pipe stress well for medium-high pressure/temp conditions.

  2. Welded connection ensures reliable, long-term sealing for fluid/gas transfer.

  3. Versatile materials (stainless steel/carbon steel) suit petrochemical, power industries.

  4. Complies with global standards, easy to source/replace for various piping systems.


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Product Details

  • Item: Weld Neck Flange 

  • Structure: Integrated disc + conical high neck, bolt holes on disc edge, multiple sealing faces 

  • Materials: Carbon steel (A105), stainless steel , alloy steel.

  • Specs: Pipe size: 1/2"-160"; Pressure: Class150#-2500#/PN2.5-PN400.

  • Standards: ASME B16.5, GB/T9124, DIN2630.

  • Use: Petrochemical, oil & gas, power industries 


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