Technical Articles
  • Three Classifications of Control Valve
    Posted: 09/04/2015 17:54:44  Hits: 359
    Control valve is used to regulate the flow, pressure and liquid level of media. According to the regulating signals, it can automatically control the opening degree so as to achieve the regulation of flow, pressure and liquid level. There are three classifications of control valves: electric control...
  • Connection & Installation Notes of Forged Steel Gate Valve
    Posted: 08/18/2015 16:44:21  Hits: 458
    Forged steel gate valve is used to cut off or connect the media. Valves with different materials can be separately applied to different media, such as water, steam, oil, nitric acid, acetic acid, oxidizing media, urea and so on. Forged steel gate valve has these following three connections: First: ...
  • Selection of Safety Valves in Different Areas
    Posted: 08/11/2015 08:08:35  Hits: 351
    In the heating system, there is a large demand for safety valves for which they provide a lot of security for the entire system. Therefore, it is necessary to maintain them in daily life. When the pressure value exceeds the specified parameters, the valve will open automatically in the water supply ...
  • Damage of the Abnormal Pressure Rise – Gate Valve
    Posted: 08/05/2015 14:18:35  Hits: 304
    Abnormal pressure rise of gate valves may happen in many applications and the reason can be classified into this two aspects: the system media changed from cold into hot after the boot; the gate is off in the cold state and on in hot state. Therefore, if there is no action to be taken to protec...
  • Transport Issues of Pneumatic Butterfly Valves
    Posted: 07/27/2015 11:36:39  Hits: 288
    Installation steps for the gaskets of pneumatic butterfly valves: 1. Before mounting pads, you should inspect the nuts and bolts, as well as the threaded or flanged connections. The type, size and material of bolts and nuts should be consistent with the relevant provisions of national standards. Be...
  • Characteristics of Gas Welded Ball Valves
    Posted: 07/20/2015 16:45:06  Hits: 306
    Because of the particularity of its medium, a few abnormalities of gas welded ball valves are likely to cause leakage problem. Needless to say, the consequence for the gas leak is really severe. So when buying gas welded ball valves, you’d better learn some knowledge about its characteristics ...
  • Structural Parameters and Selection of Gas Safety Valves
    Posted: 07/13/2015 11:57:58  Hits: 294
    Safety valves play a security role in the system. When the system pressure exceeds the predetermined value, safety valves could open automatically and discharge the gas into the atmosphere so that the pressure will not exceed the allowable value, avoiding the accidents. Therefore, safety valves are ...
  • The Scope of Application for Spring Loaded Safety Valve
    Posted: 07/07/2015 08:03:07  Hits: 340
    Each component has its scope of application, such as wheels are used on the car, and so for other components. Because they make a great contribution to their own industries, so that the work can go on very well and that is the reason why we use a lot of security components. For example, spring loade...
  • How to Remove the Main Valve of A Hydraulic Control Valve
    Posted: 07/02/2015 14:37:43  Hits: 409
    Without any additional oil lubrication, hydraulic control valve can use water to do the lubrication itself. If there is something wrong with the components of the main valve, please follow these instructions to do the disassembly. (Note: The diaphragm and O ring are usually damaged a lot and other i...