• Valves are classified according to main parameters


    By main parameters According to the nominal pressure: (1) Vacuum valve: refers to a valve whose working pressure is lower than the standard atmospheric pressure. (2) Low pressure valve: refers to the valve with nominal pressure PN ≤1.6Mpa. (3) Medium...

  • Valve installation requirements


    Installation requirements 1. Before installing the valve, carefully check whether the type and specification of the valve used are consistent with the design; 2. According to the model of the valve and the factory manual, check whether the valve can ...

  • Performance testing requirements


    Valve specification 1. The model number of the valve should indicate the national standard number requirement. If it is an enterprise standard, the relevant description of the model should be indicated. 2. The working pressure of the valve requires ≥...

  • Valve sealing requirements


    Sealing requirements The sealing performance of the valve refers to the ability of the sealing parts of the valve to prevent the leakage of the medium. It is the most important technical performance index of the valve. There are three sealing parts o...

  • Valve cleaning step


    Cleaning step The components of the valve must be processed through the following processes before assembly: 1. According to the processing requirements, some parts need to be polished, and the surface cannot be processed with burrs; 2. All parts are...

  • 18yrs

    18 years experience in sanitaryware fitting industry

  • 30+

    Our products are sold to more than 30 countries and regions

  • 200+

    We have a large production team, R & D team

  • 30million

    Our factory has a total investment of more than 30 million.

  • 7000m2

    7000² square meters of factory area

  • 10+

    We have more than 10 patents for inventions