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Leakage Cases Happen to Seal Gaskets of Flanges

Leakage Cases Happen to Seal Gaskets of Flanges

  • Posted: 07/28/2014 07:07:57
  • Hits: 530

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: 658

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: 606

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: 2719

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 ...