• Weld Neck Flange
  • Weld Neck Flange
  • Weld Neck Flange
  • Weld Neck Flange
  • Weld Neck Flange
  • Weld Neck Flange
  • Weld Neck Flange
  • Weld Neck Flange
  • Weld Neck Flange
  • Weld Neck Flange
  • Weld Neck Flange
  • Weld Neck Flange

Weld Neck Flange

Weld Neck Flange is a kind of pipe fitting, which refers to a flange with a neck and a round tube transition and connected to the pipe by butt welding.
  • Weld Neck Flange
  • Weld Neck Flange
  • Weld Neck Flange
  • Weld Neck Flange
  • Weld Neck Flange
  • Weld Neck Flange

Description

Weld Neck Flange Factory,Weld Neck Flange Supplier,Weld Neck Flange Stockist

  
Weld Neck Flange is a kind of pipe fitting, which refers to a flange with a neck and a round tube transition and connected to the pipe by butt welding.
  Weld Neck Flange is not easy to deform, has good sealing, is widely used, has corresponding rigidity and elasticity requirements and reasonable butt-weld thinning transition, the distance between the weld and the joint surface is large, and the joint surface is free from welding temperature deformation. It adopts a relatively complex trumpet-shaped structure, which is suitable for pipelines with large fluctuations in pressure or temperature or high-temperature, high-pressure and low-temperature pipelines. It is generally used for the connection of pipelines and valves with PN greater than 2.5MPa; it is also used for pipelines that transport expensive, flammable and explosive media.

Product Description

Size 1/2" (15 NB) to 48" (1200NB) DN10~DN5000
Standards ANSI/ASME B16.5, B16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092
Pressure Class 150 LBS, 300 LBS, 600 LBS, 900 LBS, 1500 LBS, 2500 LBS Plate Fabricated Flanges
Flanges Pressure Calculation in DIN 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64
JIS 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K Welding Plate Flanges
UNI 6Bar 10Bar 16Bar 25Bar 40Bar Plate Blank Flanges
EN 6Bar 10Bar 16Bar 25Bar 40Bar Square Plate Flange
Coating Oil Black Paint, Anti-rust Paint, Zinc Plated, Yellow Transparent, Cold and Hot Dip Galvanized
Types Forged / Threaded / Screwed / Plate
Test Certificates EN 10204/3.1B
Raw Materials Certificate
100% Radiography Test Report
Third Party Inspection Report, etc
Plate Flange Technique Forged, Heat treated and machined
Connect Type FF,RF,RTJ
Test Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector


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  Face finish: The finish on the face of flange is measured as an Arithmetical Average Roughness Height(AARH). The finish is determined by the standard used. For example, ANSI B16.5 specifies face finishes within a range 125AARH-500AARH(3.2Ra to 12.5Ra). Other finishes are available on requst, for example 1.6 Ra max,1.6/3.2 Ra, 3.2/6.3Ra or 6.3/12.5Ra. The range 3.2/6.3Ra is most common.

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