• Page 6 of Technical Articles for Flange Industry Service

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Technical Articles

Sealing Faces and Application Scope of Rolling Flanges

Sealing Faces and Application Scope of Rolling Flanges

  • Posted: 06/08/2015 03:06:56
  • Hits: 327

Rolling flanges are divided into cold rolling flanges and hot rolling flanges. They are widely applied in the relatively mild conditions such as low-pressure and unpurified compressed air and low-pressure circulating water, and are featured by relatively cheap price.   Rolling flanges are a...


Introduction, Processes and Function of Blind Flanges

Introduction, Processes and Function of Blind Flanges

  • Posted: 06/02/2015 07:06:40
  • Hits: 592

1. Introduction of blind flanges Blind flange is a kind of a solid round plate with no center holes but with uniformly distributed bolt holes along the periphery of the plate. It is used for covering or closing the end of a pipe or conveniently cleaning sundries in pipelines for pipeline maintena...


Passivation Process and Features  of Stainless Steel Flanges

Passivation Process and Features of Stainless Steel Flanges

  • Posted: 05/26/2015 07:05:41
  • Hits: 353

Stainless steel flanges have excellent corrosion-resistant performance in water with different qualities, even under the ground, due to thin but solid oxidation film. Water with different qualities does not need to be processed, except when sterilization operation is required. Besides, corrosive d...


Features and Forging Processes of Flat Welding Flanges

Features and Forging Processes of Flat Welding Flanges

  • Posted: 05/21/2015 08:05:10
  • Hits: 404

1. Features of flat welding flanges Flat welding flanges save space, reduce weight and have good sealing performance due to no leakage design in joint area. The reason why dimension of compact flanges is small is that diameter of sealing element is reduced and sealing surface thereof is thus redu...


Introduction and Features of Flanged Butterfly Valves

Introduction and Features of Flanged Butterfly Valves

  • Posted: 05/13/2015 06:05:47
  • Hits: 360

The connection types of butterfly valves can be divided into three kinds: flanged connection, wafer connection and welded connection, which users can select based on specific pipeline requirements. The followings are introduction and features of butterfly valves with flanged connection, namely fla...


Large Flanges used for Welding Metals with Good Thermal Conductivity

Large Flanges used for Welding Metals with Good Thermal Conductivity

  • Posted: 05/11/2015 01:05:48
  • Hits: 333

The welding of large flanges can also be called large welded flanges. Two large welded flanges, between which gasket seal is inserted, can be used for connecting the end of one pipe to the end of another pipe. Bolts can be used through the holes of two welded flanges for fastening such two flanges...


Features and Applications of Large Forged Flanges

Features and Applications of Large Forged Flanges

  • Posted: 05/09/2015 12:05:41
  • Hits: 287

The forging of flanges is a process of using metal forming machinery to impose pressure on metal billets, making plastic deformation to form forgings with certain mechanical properties, shapes and dimensions. The forging of flanges can eliminate defects like incompactness of as-cast structure, ...


Forged Flanges and Related Production Processes

Forged Flanges and Related Production Processes

  • Posted: 05/05/2015 05:05:46
  • Hits: 308

Forged flanges have the better mechanical properties than any other kinds of flanges. They use pipe billets as raw materials. They are constantly hammered after cutting to eliminate defects of steel ingots like segregation and incompact structure. They use carbon steel, alloy steel and stainless s...


Large Anchor Flanges Used in Gas Transmission Pipelines

Large Anchor Flanges Used in Gas Transmission Pipelines

  • Posted: 04/28/2015 06:04:15
  • Hits: 532

Anchor flange is an integral flange combining two flanges connected by bolts with no need of sealing gasket. Anchor flanges are connected to gas transmission pipelines with welding method, which is fastened by the connection of anchor flanges and anchor piles, thus making anchor flanges applicable...