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Analyses on Export of China's Flanges to the EU and the US (Part Two)

Analyses on Export of China's Flanges to the EU and the US (Part Two)

  • Posted: 08/14/2017 11:08:56
  • Hits: 11

2. The total weight of exported China's steel flanges The total weight of China's steel flanges exported to the United States, the United Kingdom, the European Union and the major countries in the EU since 2012 is shown in Figure 2 and Figure 3. The data all come from the...


Analyses on Export of China's Flanges to the EU and the US (Part One)

Analyses on Export of China's Flanges to the EU and the US (Part One)

  • Posted: 08/01/2017 11:08:02
  • Hits: 9

1. An introduction 1.1 The definition of the flange Flanges are spare parts between two shafts to connect tube ends. Flanges such as reducer flanges are also used for inlets and outlets of facilities to connect two facilities. The flange connection or the flange joint refers to a set of detach...


How to Prevent the Flange Seal from Losing Efficacy at High Temperatures?

How to Prevent the Flange Seal from Losing Efficacy at High Temperatures?

  • Posted: 07/18/2017 02:07:53
  • Hits: 12

How to prevent the flange seal from losing efficacy at high temperatures? Here are some suggestions listed as follows.   1. Set the insulation lining or ring on the inside of the gasket and the flange to change the heat condition of the flange, the bolt as well as the gasket, to redu...


Development History and Performance of Stainless Steel Flanges

Development History and Performance of Stainless Steel Flanges

  • Posted: 06/23/2017 10:06:18
  • Hits: 24

Originated in the 1980s and after more than 20 years' development and exploration, the stainless steel flange industry begins to take shape at present. The stainless steel flange is a kind of pipe fitting and is mainly made of stainless steel material. With the deve...


Advantages of Large Flanges

Advantages of Large Flanges

  • Posted: 06/10/2017 10:06:14
  • Hits: 15

Large flanges not only have different use values, effects and functions when used, but also have various materials, production processes and processing methods. Thus, we have to pay special attention to the methods of both processing and utilizing large flanges.   Common large flanges...


The Differences between Cold Forging and Hot Forging Processes of Flanges

The Differences between Cold Forging and Hot Forging Processes of Flanges

  • Posted: 05/26/2017 09:05:02
  • Hits: 28

Due to small deformation energy and resistance, hot forging process can be used to forge large flanges of complex shapes. To obtain high-precision flanges, we can use hot forging method to process flanges if the temperature field is between 900℃ and 1000℃. However, we should ...


Introduction to the Flange’ s Seal Ring and Its Replacing Method

Introduction to the Flange’ s Seal Ring and Its Replacing Method

  • Posted: 05/12/2017 09:05:04
  • Hits: 21

Threaded flanges and weld neck flanges are two different kinds of flanges. Threaded flanges are suitable for low pressure and small diameter condition, while welded neck flanges are suitable for high and low pressure as well as large diameter condition. Flanges of ...


What’s the Differences Between Flanges’ Different Joint Faces-- FF and RF?

What’s the Differences Between Flanges’ Different Joint Faces-- FF and RF?

  • Posted: 01/11/2017 05:01:17
  • Hits: 67

What's the differences between flanges'different joint faces-- FF and RF? RF is raised face flange, which can be used under the pressure of PN1.6~PN10MPA. FF is flat face flange, which has lower sealability than RF, its pressure is 1.6~2.0MPA (standard: GB9113), and other joint faces l...


The Market Prospect of High Pressure Flange is Bright

The Market Prospect of High Pressure Flange is Bright

  • Posted: 08/04/2016 05:08:48
  • Hits: 68

The high pressure flange steel gate valve is suitable for pipelines on the conditions that PN10.0~25.0Mpa, working temperature —29℃~600℃, such as the petroleum, chemic, thermal power station to cut off or connected with the medium. High pressure flange connecting steel gate valve is su...