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  • Industry News

    PVDF pipes have extraordinary physical properties, chemical properties, electrical properties

    May 13, 2022
    PVDF pipes have extraordinary physical properties, chemical properties, electrical properties PVDF pipe is a thermoplastic resin, and there are homopolymers and copolymers. The form is granular and po...
  • Industry News

    PPH pipes must meet certain requirements to ensure normal drainage function

    May 11, 2022
    PPH pipes must meet certain requirements to ensure normal drainage function Requirements for pipes, the materials of drainage pipes must meet certain requirements to ensure the normal drainage functio...
  • 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...