• Page 6 of Technical Articles for Flange Industry Service

Services

Contact

Tel: 86-592-5204188
Fax: 86-592-5204189
[email protected]

Technical Articles

How to Reduce the Carbon Steel Flange Wear

  • Posted: 07/26/2016 05:07:35
  • Hits: 73

Before people learn to how to reduce the abrasion of slip-on flange, they should first understand what causes the abrasion of slip-on flange. Pipe fittings rotating in the machine barrel, the friction between the material and pipe fittings and machine barrel makes the working surface of pipe fittings...


Repair and Maintenance of Flange

  • Posted: 07/11/2016 05:07:51
  • Hits: 279

There are some useful introductions about flange cover, flange packing system and high temperature flange sealing. Flange cover (flange joint) Flange cover is mainly used for flange connection and anticorrosion in all industrial. The head of flange of this product is used to product the flange surface...


The Ingenious Application of Thread Connection on Flange

  • Posted: 07/04/2016 08:07:52
  • Hits: 58

Flange connection is a kind of detachable fixed connection, which is widely used. Thread connection has the advantages of simple structure, reliable connection, convenient assembly and disassembly, etc..  The thread connection is usually used for the connection where nominal diameter under DN 50,...


The Role of the Flange in Pipeline Equipment

  • Posted: 06/27/2016 05:06:14
  • Hits: 72

Flange through welding methods, such as flat welding, butt welding, socket welding, connected with pipe, equipment and containers by threaded connection, clamp connection. Through the connection between the two flanges to connect the pipe and pipe, pipe and equipment, forming the pipe line, which is...


What Should be Noticed about Large Diameter Flange Sealing

  • Posted: 06/20/2016 04:06:43
  • Hits: 86

Large diameter flange is a kind flange, it is generally used and popularized in the machinery industry, chemical industry, wind power industry, sewage treatment industry, getting the user's praise and favor. The application of large diameter flange is extensive. The production process is divided...


Principle of Flange Sealing

  • Posted: 06/14/2016 02:06:32
  • Hits: 67

Factors that affect flange sealing are various. Mainly include: bolt preload; sealing surface; flange gasket performance; stiffness;operating conditions.  For decades, the ANSI flange, which designed by the American National Standards Institute, has provided a suitable sealing technology...


Differences between Slip-on Flange and Welding Neck Flange

  • Posted: 05/31/2016 02:05:23
  • Hits: 7681

There are some different points between Slip-on Flange and Welding Neck Flange. 1.Connection mold of centrifugal pump flange: The biggest difference between slip-on flange flange and welding neck flange on structure in that the difference between joint pipe and connection way of flange. Generally, the...


Latest Standard for Forging Blind Flanges and Applications

  • Posted: 03/03/2016 05:03:49
  • Hits: 111

Major function of blind flanges is working as the connection between pipelines and the connection of blind flange is to link pipes, pipefitting and equipment, and fixed on the flange. Firstly, install the blind flange and then fixed flanged with bolts, this is the process of connecting flanges. Some...


Factors that Cause Flange Sealing Leakage in Refinery

  • Posted: 02/27/2016 05:02:03
  • Hits: 181

Flanges are the most common connection components between refinery equipment and pipes. Most materials in refinery are poisonous, flammable and corrosive, once the sealing of flange is invalidated, these dangerous materials will be leaked out and cause severe fire and injuries and deaths. Therefore,...


Requirements for Large-diameter Welded Flange

  • Posted: 01/02/2016 06:01:12
  • Hits: 277

First, the level and technical requirements of large-diameter welded flange should comply with the relevant requirements of JB4726-4728. 1. Grade Ⅰ forging is allowed to use in carbon steel forgings and austenitic stainless steel forgings with nominal pressure among 0.25PM to 1.0MPa. 2. Forging, whose...


Cleaning Problems of Carbon Steel Flanges

  • Posted: 12/07/2015 08:12:15
  • Hits: 211

1. Rinsing Pollution After quenching the fasteners, use silicate to clean and rinse them. If there were some solid matter on the surface, and found to be iron oxide and inorganic silicate by infrared spectroscopy, this was due to the incompletely rinse and silicate was remained on the fastener surface....


How to Prolong the Service Life of Large Flange

  • Posted: 11/25/2015 06:11:13
  • Hits: 191

There are many factors for the service life of large flange. Due to the high viscosity of the flange material and poor chip breaking performance, it is easy to have problems in the tapping process, affecting its processing efficiency and thread quality. Such as: chip scratches workpiece thread or tap...