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  • Industry News

    Uses and production requirements of PPH pipes

    May 06, 2022
    Uses and production requirements of PPH pipes Specification for PPH Pipe Execute HG 20539-92. Use the glass fiber modified polypropylene material treated with coupling agent to produce, generally use...
  • Industry News

    FRPP pipeline installation process

    May 04, 2022
    FRPP pipeline installation process FRPP pipeline measurement, marking and positioning: According to the actual situation of the site, draw the installation direction of the PP pipeline at the construc...
  • Industry News

    Method for improving dimensional accuracy of glass fiber reinforced polypropylene FRPP pipe

    Apr 29, 2022
    Generally, there is a large fluctuation in the outlet pressure of the FRPP pipe extruder, which will affect the dimensional accuracy of the FRPP pipe. If we install a melt pump between the outlet of t...
  • Industry News

    What should I do if the valve is not closed tightly?

    Apr 22, 2022
    Under normal circumstances, if it is not tightly closed, first confirm whether the valve is closed in place. If it has been closed in place, there is still leakage and cannot be sealed, then check the...
  • Industry News

    Which to Choose - Butterfly Valves or Ball Valves?

    Apr 13, 2022
    There are generally two types of valves that seem to take center stage in the industrial industry, those two valves are the butterfly valve and the ball valve. While they look completely different to ...
  • Industry News

    Daily maintenance and maintenance of valves

    Apr 06, 2022
    For the valve in operation, various valve internals should be complete and intact. The bolts on the flange and the bracket are indispensable, the threads should be intact, and no loosening is allowed....
  • Industry News

    The history of valve development

    Apr 01, 2022
     The valve is the control device of the fluid pipeline. Its basic function is to connect or cut off the flow of the medium in the pipeline, change the flow of the medium, change the flow direction of ...
  • Industry News

    Butterfly valve still has the following problems during use

    Mar 22, 2022
    Butterfly valve still has the following problems during use 1. Since the multi-layer soft and hard laminated sealing ring is fixed on the valve plate when the valve plate is normally open, the medium ...
  • Industry News

    The difference between ball valve and butterfly valve

    Mar 15, 2022
    The difference between ball valve and butterfly valve The biggest difference between the ball valve and the butterfly valve is that the opening and closing part of the butterfly valve is a plate, whil...
  • Industry News

    Ball valve structure principle

    Mar 08, 2022
    Ball valve structure principle: 1. The ball valve is not limited by the installation direction, and the flow direction of the medium can be arbitrary. The fluid resistance is small, and the full-bore...
  • Industry News

    Ball valve classification

    Mar 01, 2022
    The opening and closing part of the ball valve is a sphere with a circular channel, which rotates around an axis perpendicular to the channel, and the sphere rotates with the valve stem to achieve the...
  • Industry News

    What are the similarities and differences between regulating valve and safety valve？

    Feb 22, 2022
    During use, if the system pressure is too large, the safety valve will jump. The pressure regulating valve can set the pressure value. When the pressure is higher than this value, the valve opens, and...