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30.07.2018

The Shanghai Glass-lined Equipment Exhibition 2018

Exhibition Name: The Shanghai Glass-lined Equipment Exhibition 2018 Exhibition Date: from 19th to 21st November, 2018 Exhibition venue: Shanghai Address: Shanghai New International Expo Center Contra...
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  • Posted: 07/03/2018 14:29:28  Hits: 2
    Dangers of pipeline vibration The rotating of the equipment and the medium flowing in the pipe will cause mechanical vibration with low-intensity. The dangers of pipeline vibration are mainly as the following.   Harm to the worker Pipeline vibration will interfere with the vision of the worker and make the worke...
  • Posted: 12/14/2017 10:32:57  Hits: 18
    Materials of small diameter seamless steel pipes: High-quality carbon structural steel, carbon structural steel, low-alloy high-strength structural steel, alloy structural steel, stainless steel and 20# structural steel. Seamless steel pipes whose outer diameters are small can be called seamless steel pipes with ...
  • Posted: 11/24/2017 13:38:37  Hits: 12
    What are commonly used heat treatments, purposes and scope of application of steel pipes in cold drawn and cold rolled production? Heat treatment is an important part in cold drawing and cold rolling of steel pipes. During the production process, heat treatment of steel pipes can be classified into...
  • Posted: 09/27/2017 15:44:55  Hits: 11
    The Purge The purge refers to the process that the air purge or the steam purge are often used to clean the pipe based on the service condition of the working medium and how dirty the inner surface of the pipe is after the process pipeline system is installed. The general requirements of the pipe purging are as the fo...
  • Posted: 09/18/2017 11:04:20  Hits: 14
    What are the advantages of cold working processes compared with hot rolled processes? (1) Cold working processes can be adopted to produce thin wall pipes,extremely thin wall pipes and large diameter thin-wall pipes, small diameter pipes, capillary pipes, and all kinds of special-shaped and variable section pipes or pi...
  • Posted: 08/25/2017 16:52:34  Hits: 15
    Ductile iron pipes mainly consist of carbon, silicon, manganese, sulfur, phosphorus and magnesium. Applications Cast iron pipes with flexible joints are gravity type effluent discharge pipes, which are widely used for drainage of high-rise buildings' sewage and rain. Materials Ductile iron pip...
  • Posted: 08/17/2017 09:46:27  Hits: 66
    The square steel pipe is a term for square pipes which have the equal side length and rectangular pipes which have the unequal side length. The square steel pipe is made by the strip steel with the rolling process. Generally, the strip steel will be unpacked, flattened, curled and welded to be a round pipe, be rolled i...
  • Posted: 07/31/2017 14:05:11  Hits: 18
    The high pressure boiler pipe is a kind of boiler pipe and belongs to the seamless steel pipe, which is mainly used for manufacturing the superheater tube, the reheater tube, the gas-guide tube and the main steam pipe for high pressure and superhigh pressure boilers. Manufacturing processes of high pressure boiler pipe...
  • Posted: 07/17/2017 14:21:17  Hits: 9
    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: 12
    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. ...