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  • Principles for Valves Selection
    Posted: 12/29/2014 04:12:46  Clicks: 656
    In pipeline system, valves are control elements used for isolating equipments from pipelines, regulating flow, preventing backflow, regulating and relieving pres...
  • Inside Screw Non-rising Stem Type Gate Valves Introduction
    Posted: 12/22/2014 04:12:23  Clicks: 635
    Inside screw non-rising stem type gate valves are also called as rotating lever gate valves or non-rising wedge gate valves. Nut of stem is inside valve body and connects with media directly. Swing...
  • The Differences between Globe Valves and Gate Valves
    Posted: 12/15/2014 04:12:58  Clicks: 2407
    The differences between globe valves and gate valves are based on working principles, structures and applied ranges.
     

    Different working princip...

  • The Introduction of Valves Selection
    Posted: 12/08/2014 05:12:20  Clicks: 735
    The selections of valves should be based on the different usage and coefficients of media
     
    Valves are used for stopping media from flowing backward
    This type of valves al...
  • Differences between Butterfly Valves and Ball Valves
    Posted: 07/11/2014 11:07:04  Clicks: 869
    The main difference between butterfly valves and ball valves is that the closure member of butterfly valves which is a plate while butterfly valves adopt a ball. Both disc of butterfly valves and c...
  • How to Maintain Gate Valve?
    Posted: 07/04/2014 09:07:22  Clicks: 867

    Maintenance of gate valve:

    1. Handwheel, handle and actuator cannot be used for craning and collision is not allowed.
    2. Double discs gate valve should be installed ve...
  • Common Stainless Steel Valves in Chemical Industry
    Posted: 06/20/2014 10:06:27  Clicks: 840
    In recent years, China's chemical industry has developed at a high speed. For development of chemical industry, stainless steel valves which are widely util...
  • Characteristics of Ball Valve
    Posted: 06/16/2014 11:06:32  Clicks: 915
    Ball valve is evolved from plug valve, using a ball as ball as closure member. The ball rotates with axis of stem to open or close valve. Ball valve is used...
  • Materials of Valve Body and Components
    Posted: 06/05/2014 10:06:25  Clicks: 765
    1. Materials of valve body: Grey cast iron has been weeded out. Body is mainly made of nodular cast iron and should be given clear indication of the name of a pr...
  • Categories of Ball Valves
    Posted: 05/29/2014 11:05:41  Clicks: 895
    Categories of ball valve can be classified in to floating ball valve, trunion mounted ball valve, elastic ball valve (also called as track ball va...
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