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  • Processing Surfaces of Pipe Bends

    Posted: 10/22/2022 12:46:30  Hits: 10
    The demand for bends is increasing and more demands on the efficiency and stability of the media transported by the bends are put forward due to the current development of product design in the direction of miniaturization, light weights, precision, and intelligence. People's research on the quality...
  • Defects of the Inner Surface of the Bend

    Posted: 10/08/2022 07:16:36  Hits: 40
    1.3.1 The forming process of the bend Pipe bends are formed by bending the pipe at a certain angle through various machining methods. Compared with the welded bend, the integrally formed bend has no welding seam, and the overall reliability and strength are significantly improved. In addition, when...
  • Controlling Uniformity of Quality of Inner Surfaces of Bends

    Posted: 09/24/2022 10:54:08  Hits: 13
    1.1 Introduction With the rapid development of the equipment manufacturing industry, not only technological innovation is required, but also higher requirements are put forward for the size, shape, properties of materials, and quality of surfaces. As the lifeline of equipment, pipeline systems can improve...
  • Common Failures of Reducing Tees

    Posted: 09/10/2022 07:27:14  Hits: 19
    If the formed part fails to achieve the specified target function, that means failure, which is mainly caused by the size and shape of the product failing to meet the requirements or the change of the material structure and properties before and after forming. Some failures are beneficial, for example,...
  • Feasibility of High-pressure Forming in Reducing Tees

    Posted: 08/12/2022 09:04:54  Hits: 14
    After the persistent efforts of domestic and foreign researchers, the high-pressure forming technology of pipes has a relatively mature process method and a rich research experience. The basic research of this technology has applied to various fields, and it has a long-term research prospect for high...
  • Forming Processes and Methods of Tees

    Posted: 07/26/2022 08:51:27  Hits: 17
    From the forming process, the tee can be roughly divided into three stages: (1) Filling stages: the pipe is put into the mold cavity, then the mold is closed; the pipe is injected with liquids, and the gas is removed. The two ends of the pipe are pressed with a horizontal punch at the same time. (2)...
  • How to Find the Lowest & Highest Points of Eccentric Reducers?

    Posted: 02/09/2022 05:03:05  Hits: 84
    Abstract: The eccentric reducer is a kind of pipe fitting used for changing the diameter of the pipeline, which is one of the common pipe fittings in the pipeline system. The eccentric reducer is generally used on the inlet and outlet pipes of the pump. Its main functions are to prevent cavitation...
  • Safety Assessment of Pressure Pipelines

    Posted: 01/06/2022 02:48:12  Hits: 21
    Reducers A reducer is an important part of the pressure pipeline, which is a common component for connecting pipelines in petroleum and petrochemical equipment. It is mainly used for connecting two pipes with different diameters. A reducer can change the pipe diameter, adjust the...
  • Classifications and Characteristics of Reducers

    Posted: 12/22/2021 04:03:32  Hits: 78
    A pressure pipeline, as one of the main special pressure bearing equipment for transporting various fluid media, has gradually gotten into our industrial production and people's lives, and can be seen everywhere in various industries. Restricted by the unique working conditions of...
  • Analysis of the Causes of Cracks in the Welded Joints of Tees in a Power Plant (Part Two)

    Posted: 10/22/2021 11:04:58  Hits: 138
    Calculation and analysis of thrust force of pipe systems to pipe ends connected to tees When the sliding bracket is hindered or can be operated, the comparison results of the thrust and torque of the pipe system to the pipe end connected to the tee are shown in Table 3. In the table, Fx, Fy,...

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