• Page 7 of Technical Articles for Flange Industry Service

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Technical Articles

Notes for Production of Stainless Steel Flanges

Notes for Production of Stainless Steel Flanges

  • Posted: 12/05/2014 09:12:53
  • Hits: 486

The universal application of stainless steel flanges results in short supply of these products. It may be a good news for manufacturers. Nevertheless, quality can never be ignored. Manufacturers should pay special attentions to the following issues so that stainless steel flanges can play their ro...


Flange Production Technologies Boast Several Features

Flange Production Technologies Boast Several Features

  • Posted: 10/27/2014 06:10:11
  • Hits: 568

Flanges are usually applied to the connection among pipelines, facilities, valves and pipe fittings. The casting of flange was originally proposed by Erchardt in 1809. However, it wasn’t adopted until the early 20th century. After that, flanges were gradually produced and applied into var...


Connection Method of Large Flanges

Connection Method of Large Flanges

  • Posted: 09/01/2014 09:09:38
  • Hits: 662

Large flanges refer to products that sizes go beyond national conventional standards on flanges. Sizes of theses flanges often exceed DN2000. They are all welded products without any screw. Carbon steel is the most common used materials for large flanges. In pipeline projects, large flanges can be...


Do Maintenance of Stainless Steel Flanges Correctly

Do Maintenance of Stainless Steel Flanges Correctly

  • Posted: 08/14/2014 07:08:37
  • Hits: 485

Different flanges require different installation methods and maintenance approaches. As to stainless steel flanges, there are several tips for the maintenance work.     The maintenance work should be done regularly. Of course, the cycle could be shortened when it is necessary. Corres...


Leakage Cases Happen to Seal Gaskets of Flanges

Leakage Cases Happen to Seal Gaskets of Flanges

  • Posted: 07/28/2014 07:07:57
  • Hits: 529

For sealing materials, they suffer from contact pressure of bonding surface and elastic restoring force which is used to fastening external force. These forces lead to blocking effect. Therefore, seal gaskets come into play.   Leakage phenomena of general seal gaskets are classified into f...


Homebred Anchor Flanges Used in Pipeline Project

Homebred Anchor Flanges Used in Pipeline Project

  • Posted: 07/14/2014 06:07:43
  • Hits: 653

Anchor flanges are critical components for the heavy caliber and high internal pressure remote gas transmission and injection pipeline systems. It is also suitable for many process stations and line valve boxes in West to East Pipeline Project.   In general, anchor flanges are welded on the...


New Insulating Flanges Applied Widely

New Insulating Flanges Applied Widely

  • Posted: 07/10/2014 08:07:20
  • Hits: 513

With reform and opening-up policy, our economic market develop has developed sustainably and steadily. During this process, the pipeline fuel gas industry has gained increasingly popularity in city construction year by year. Construction and protection concerning gas pipeline engineering is becomi...


Sealing Treatment on Flange Leakage

Sealing Treatment on Flange Leakage

  • Posted: 07/03/2014 08:07:04
  • Hits: 605

How to deal with the leak problem of flanges? Here we’d show you the sealing treatment method by case analysis.   A steam leak happened at the joint flange bolts of a DN150 valve body, with 400-500℃ leakage system temperature and 4MPA pressure. Due to the tiny connection space of ...


Common Types of Pipeline Flange Faces

Common Types of Pipeline Flange Faces

  • Posted: 06/10/2014 02:06:16
  • Hits: 2633

Flanges provide the necessary connections to link pipelines. Faces are the mating surface of a flange. Flange faces have to be smooth enough to ensure a tight, leak-free seal for bolted flanges. For the purpose of this article, we will be focusing on five common types of flange faces: 1. Raised ...