Latest News
25.07.2017

Pipeline Cleaning

The pipeline is the equipment consisting of the pipe, the pipe fitting and the valve, and is used for transporting gas, liquid, or fluid with solid particles. Usually, after being pressurized by blowe...
Follow
Follow us listed below websites to get updated information of Landee Pipe.
Contact
Tel: 86-592-5204188
Fax: 86-592-5204189
sales@landeepipe.com
Technical Articles
  • Posted: 07/17/2017 14:21:17  Hits: 5
    Regulations before the hydraulic pressure test of pipelines 1. Pipelines for pressure test must be tested after completed backfill. 2. For special requirements, some specific pipelines can leave pipe joints not to be backfilled, but the pipe body needs to be fully backfilled to a certain height to avoid displaceme...
  • Posted: 07/12/2017 13:13:49  Hits: 4
    Installation points of T-pipe 1. Clean debris within the groove of the T-type female end surface with wire brushes, 25mm putty grafters, brushes and rags. Check the chamfer angle of the other pipe socket, and keep the socket as well as the rubber ring clean. 2. Place the rubber ring into the groove of the female end. ...
  • Posted: 06/28/2017 17:25:12  Hits: 9
    Definition of cold galvanizing Cold galvanizing is also known as electrogalvanizing, and this kind of zinc-plated method is used for protecting metals from being corroded. We apply zinc fillers paint to the protective surfaces by any coating method, and the paint will form zinc layers after it dries, which contain up t...
  • Posted: 06/12/2017 08:33:05  Hits: 6
    We use strip steels or steel plates as billets, bend them into tube shells with different methods, and then weld them with different ways so as to obtain welded pipes with sealed cross sections formed by a certain strength welding seams. There is a wide range of materials for producing welded pipes, including carbon st...
  • Posted: 05/30/2017 15:31:30  Hits: 4
    Ductile Cast Iron Pipes are mainly used for transporting tap water and are the ideal choices for tap water pipes. Mechanical Properties Minimum tensile strength: 420/Mpa; minimum yield strength: 300/Mpa; minimum elongation: 7% . GB / T13295-2008 ISO2531-2009 Diameter: DN80-DN2600 Advantages When ductile iron pipes ar...
  • Posted: 05/24/2017 17:39:37  Hits: 11
    OCTG is a kind of upscale product made of steel pipes, and it has many kinds. There are 15 kinds of specifications for OCTG diameters, and the outer diameter ranges from 114.3mm to 508mm. There are 11 kinds of steel grades, such as J55, K55, etc. There are many types and requirements of the pipe ends' threads, and ...
  • Posted: 05/20/2017 10:47:26  Hits: 10
    Stainless steel pipes are hollow long round steels, which are mainly used in industrial pipelines and mechanical components of petroleum, chemical, medical, food, light and mechanical instrument industries, etc. Under the condition of having the same bending and torsional strength, stainless steel pipes also have light...
  • Posted: 05/05/2017 14:10:25  Hits: 13
    With the development of China's national economy, large-diameter LSAW pipes are more and more welcomed by oil and gas, ore pulp transportation and steel structure engineering industries due to the advantages of strong bearing ability, low resistance, low temperature resistance, corrosion resistance and easy install...
  • Posted: 04/26/2017 16:05:47  Hits: 9
    1. The main features of seamless steel pipe are welding without seam and can bear great pressure. The products can be made from rough casts or cold drawn parts. 2.Precision steel pipes appear just in recent years, and there are strict tolerance and roughness between the inner hole and the outer wall size. Cold drawn pr...
  • Posted: 03/25/2017 16:10:07  Hits: 9
    Fertilizer pipe is mainly used for transporting high temperature and high pressure fluid. Pipes for fertilizer: GB6479-2000(seamless steel pipe for high pressure fertilizer equipment). It is mainly used for high-temperature and high-pressure chemical equipment. The typical kinds of materials are 20, 16Mn, 12CrMo, 12Cr2...