• Page 5 of Technical Articles for Flange Industry Service

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Technical Articles

Pipeline Connection of Lap Joint Flanges

Pipeline Connection of Lap Joint Flanges

  • Posted: 06/30/2015 03:06:30
  • Hits: 350

1. The connection of stainless steel pipelines and lap joint flanges is suitable for connection of pipes with equal or different diameters. Such connection is detachable connection.   2. Pipeline connection of lap joint flanges is carried out in the following order: (1) Before installation...


Features of Carbon Steel Flanges

Features of Carbon Steel Flanges

  • Posted: 06/24/2015 03:06:36
  • Hits: 324

Carbon steel flange is used for pipeline connection. It is an important part and has its own performance advantages. Its quality requirement for use is rather high. Carbon steel flanges are characterized by long service life, corrosion resistance and good heat preservation performance, thus improv...


Production Process of Weld Neck Flanges

Production Process of Weld Neck Flanges

  • Posted: 06/15/2015 08:06:19
  • Hits: 540

Weld neck flange is a kind of flange. As parts, two flanges can be used for connecting the end of a pipe to the end of another pipe, tightly fastened by bolts through holes around flange periphery. Weld neck flange, gasket and fasteners can be collectively called flange joint. Flange joint is an i...


Sealing Faces and Application Scope of Rolling Flanges

Sealing Faces and Application Scope of Rolling Flanges

  • Posted: 06/08/2015 03:06:56
  • Hits: 326

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: 571

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: 347

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: 402

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: 359

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: 331

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...