News

  • Performance analysis of Sealing sealant for large carbon steel flange O-ring belt

    Pressure vessels in petrochemical, energy, scientific research and military and other fields are widely used in the import and export of pressure vessels often use large carbon steel flange interface. ○ Ring structure is simple, reliable sealing, is widely used in flange sealing structure. Pressu...
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  • WN Flange

                A WN (weld neck) flange is a flange designed to be welded to the end of a pipe or fitting. It is round in shape with a protruding neck and is used for welding flanges to pipes or fittings. The neck also acts as a reinforcement for the flange, making it s...
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  • The difference between outer wire direct and outer wire live joint

    1. The outer wire is direct: the screw is on the outside, opposite to the inner wire bend. 2, the outer wire live joint: easy to install and disassemble the common pipe connector, mainly consists of nut, cloud head, flat three parts. Two, the way is different 1. Direct outer wire: the special elb...
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  • plate flange

    Plate flat welding flange (chemical standard HG20592, national standard GB/T9119, mechanical JB/T81): convenient to take materials, simple to manufacture, low cost, widely used; However, the rigidity is poor, so it cannot be used in chemical process piping systems and high-altitude and extremely ...
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  • Hot-dip galvanized pipe

    Hot dip galvanized pipe is made of molten metal and iron matrix reaction to produce alloy layer, so that the matrix and the coating of the two combination. Hot dip galvanizing is to first pickling the steel pipe. In order to remove the iron oxide on the surface of the steel pipe, after pickling, ...
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  • Stainless Steel Pipe Fitting News

    In recent years, the stainless steel pipe fittings industry has ushered in new development opportunities and challenges. In recent years, with the advancement of science and technology and changes in market demand, the application range of stainless steel pipe fittings is expanding. For example, ...
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  • What are the differences between 304 flange and carbon steel flange

    Many people do not know what kind of material to choose when buying flanges, you like stainless steel flange has 304, 316 and other materials, carbon steel flange has 20 steel, 45 steel, Q235 and so on, as the manufacturer today to tell you about our common 304 flange and carbon steel flange diff...
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  • The Development Trend of The Pipe Fittings Industry

    1. Environmental protection and sustainability: In recent years, global environmental protection and sustainability have become a hot topic. In this context, the pipe fittings industry is also committed to the research and production of more environmentally friendly and energy-saving products. 2....
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  • Pipe Fitting News

    Due to the concept of “green development”, more and more pipe fittings companies have begun to promote the research and development of new environmental protection technologies.  In April 2023, a large-scale international pipe fittings exhibition was held in Foshan, Guangdong Province...
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  • Synthesis of surface-active triazine derivatives and their corrosion inhibition properties on carbon steel

    Acid solution is widely used in petrochemical, chemical cleaning, pickling and scaling and other industrial processes, resulting in serious metal corrosion problems. In order to improve the service life of industrial equipment and reduce industrial costs, it is necessary to carry out metal corros...
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  • 2023 The 23rd Beijing International Oil and Gas Pipeline and Storage and Transportation Technology and Equipment Exhibition

    Beijing International Oil & Gas Pipeline, Storage & Transportation Technology and Equipment Exhibition is held concurrently with the annual World Petroleum Equipment Conference. It is a regular industry meeting in the oil and gas pipeline field and an exhibition certified by the Internat...
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  • Finite element analysis of fatigue life of 90° elbow of large-diameter direct buried heating pipeline

    With the continuous expansion of the scale of central heating, large-diameter and high-pressure direct-buried heating pipes have been widely used, and the pipe diameter has reached DN1400. However, there is no clear stress calculation method standard for large-diameter directly-buried pipes in Ch...
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