News

  • Application of butterfly valve in hydropower station

    Water turbine inlet valve shall be installed when the water turbine generator set adopts one pipe with multiple machines or the water inlet pipe is too long.  If one pipe has multiple units, the installed inlet valve should not affect the normal work of each unit sharing one pipe after one unit i...
    Read more
  • Application of butterfly valve in hydropower station

    Water turbine inlet valve shall be installed when the water turbine generator set adopts one pipe with multiple machines or the water inlet pipe is too long.  If one pipe has multiple units, the installed inlet valve should not affect the normal work of each unit sharing one pipe after one unit i...
    Read more
  • Application of butterfly valve in hydropower station

    Read more
  • How to install wafer check valve

          1. First, the priority among priorities, make sure the opening direction is in line with the the flow direction when you put your WAFER check valve in place.   2. Put them in vertical pipelines and, for horizontal pipelines, install check valves vertically.   3. Use a expand...
    Read more
  • What are the advantages of stainless steel globe valves? What is the market outlook?

    Stainless steel globe valve is a stop valve, the specific stainless steel material has CF8(304), CF3(304L), CF8M(316), CF3M(316L), the choice of different materials, can be applied to water, steam, oil, nitric acid, acetic acid, oxidizing medium, urea and other media. Stainless steel globe valve...
    Read more
  • Choosing the perfect check valve

    A check valve for water applications requires as much considerations as you would collect in any other valve selection. Same as various other media, water has its own unique features curve that should be accommodated to the valve for specific use in those media. Of course, this is an simple matte...
    Read more
  • ball valve

    Just like there are different advantages between lug or wafer type butterfly valves, 2 piece type and 3 piece type ball valves also have their edges. What below are some of the important factors when considering choices between the two types.   1. Design 2. End connections 3. Installation 4....
    Read more
  • The properties of ball valves

    Ball valves and butterfly valves are the two most common types of rotary valves. It only need a quarter-turn to turn on or turn off both valves. However, there are certain functions where a ball valve is better than a butterfly valve.   First of all, ball valve provides a perfect seal. When ...
    Read more
  • The triple eccentric hard seal butterfly valve

      The triple eccentric hard seal butterfly valvehas played a very important role in the petrochemical industry. The triple eccentric hard seal butterfly valve can accurately break off the working condition when the system fails, greatly preventing worse consequences. Secondly, the triple ecc...
    Read more
  • The Working Characteristics of Different Check Valves

    Check valve is a valve that its opening and closing part relies on the medium flow and force to move, precluding the backflow of the medium. As one of automatic valves, check valve mainly used for one-way flow of media on the pipeline, allowing the media to flow in one direction only. The fluid ...
    Read more
  • To Know The Valves

    To Know The Valves

    Gate valve series The opening and closing part of the gate valve is the gate plate, and the movement direction of the gate plate is perpendicular to the direction of the fluid. The gate valve is used as cut-...
    Read more
  • Status and development

    Status and development

    Ningbo Runwell valve co.,ltd is committed to the research and development and manufacture of high-quality industrial valves. Now it has formed a complete industrial chain consisting of valve R&D design, valve body precision casting, product machine production, all-ro...
    Read more
12 Next > >> Page 1 / 2