News

  • ASTM, ANSI ,ASME and API

          ASTM: American Society for Testing and Materials ANSI:AMERICAN NATIONAL STANDARDS INSTITUTE ASME: American Society of Mechanical Engineers API: American Petroleum Institute      Introduction ASTM: American Society for testing and materials (ASTM) was formerly the International Associ...
    Read more
  • Major application areas of valves

    Valve is a common tool that will be used in many industries and play a very import role in the production life, there are some major application areas of valves. 1. Oil-based devices valves Oil refining devices. Most of valves used in ...
    Read more
  • The type and application of filter

    1. General requirements on filter type The filter is a small equipment that can remove solid particles in the water. It can maintain the normal work of equipment. When fluid flows into filter with filter screen, the impurity will be blocked and clean liquid will flow out from the exit of filter. ...
    Read more
  • Common assembly methods of valves

    The whole machine is the most basic unit of valve assembly, and several parts make up the valve parts (such as valve bonnet, valve disc, etc.). The assembly process of several parts is called component assembly, and the assembly process of several parts and components is called total assembly. As...
    Read more
  • The general selection principle of pressure reducing regulators

    The pressure reducing regulator is a valve which reduces the inlet pressure to a certain required outlet pressure by adjusting, and relies on the energy of the medium itself to keep the outlet pressure stable automatically. The fluctuation of the inlet pressure of the pressure reducing valve sho...
    Read more
  • Protective measures for valve installation

    When installing the valve, in order to prevent metal, sand and other foreign matters from invading into the valve and damaging the sealing surface, it is necessary to set the filter and flushing valve; In order to keep the compressed air clean, oil-water separator or air...
    Read more
  • The difference of material 304 and 304L, 316 and 316L

    Stainless steel is a kind of steel, steel refers to the amount of carbon (C) in the following 2% is called steel, more than 2% is iron. Steel in the smelting process to add chromium (Cr), nickel (Ni), manganese (Mn), silicon (Si), titanium (Ti), molybdenum (Mo) and other alloying elements to imp...
    Read more
  • Introductions for common connection mode of valve and pipe

    Whether the connection between the valve and the pipeline or the equipment is correct and appropriate will directly affect the probability of the pipeline valve running, risking, dripping and leakage. 1. Flange connection ...
    Read more
  • Filter’s FAQ (Frequently Asked Questions)

    Filter is an indispensable device on the transmission medium pipeline. It is usually installed in the pressure reducing valve, pressure relief valve. Hikelok Filters max working pressure can up to 6000 psig(413 bar),working temperature from 20°F to 900°F(28℃ to 482 ℃) and provide 1/8 in to 1 1/4 ...
    Read more
  • Factors to be considered in the selection of sealing surface materials for valves

    The sealing surface is the most critical working surface of the valve, the quality of the sealing surface directly affects the service life of the valve, and the material of the sealing surface is an important factor to ensure the quality of the sealing surface. Therefore, the following factors ...
    Read more
  • Importance of Purchasing High Performance CNG Fuel System Components

    With the global and regional clean air policy becoming more and more strict, compressed natural gas (CNG) has become a promising and increasingly used alternative fuel. In some areas, strong incentive programs have driven the rapid development of CNG heavy equipment and the necessary refueling i...
    Read more
  • Check valve common failure analysis

     Hikelok has been providing professional technical support and service. 1. Why is the reverse sealing more reliable when the opening pressure of the check valve is greater than 0.34bar? For the check valve with small opening pressure (0.05bar-0.34bar), resealing must have a certain downstream pre...
    Read more
12 Next > >> Page 1 / 2