Knowledge About Valves

  • Working Principle And Maintenance Method Of Pneumatic Butterfly Valve

    Working Principle And Maintenance Method Of Pneumatic Butterfly Valve

    Working principle Of Pneumatic Butterfly Valve The disc of the butterfly valve is installed in the diameter direction of the pipe. In the butterfly valve body cylindrical channel, the disc around the axis of rotation, the rotation angle of 0-90°, rotation to 90°, the valve is in full open state. ...
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  • 10 Common Questions That Client Asked About Valves

    10 Common Questions That Client Asked About Valves

    In the conversation with customers, we often encounter a variety of problems, such as the valve is not tight, the valve block and so on. We’ve spent some time sort out 10 common questions that we hope will help you better understand valves and make a better selection. 1. What is the differe...
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  • 6 Types Of Valve Corrosion And 4 Types Of Anti-Corrosion Measures

    6 Types Of Valve Corrosion And 4 Types Of Anti-Corrosion Measures

    Valve corrosion is one of the main causes of valve failure, corrosion can be divided into six types, namely, electrical corrosion, high temperature corrosion, crevice corrosion, pitting corrosion, intergranular corrosion and friction corrosion. During corrosion, chemical or electrochemical reacti...
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  • What Valves Used In Sewerage System?

    What Valves Used In Sewerage System?

    Definition of Sewage Treatment Sewage Treatment: the process by which sewage is purified to meet the quality requirements for discharge into a body of water or reuse. Sewage treatment is widely used in construction, agriculture, transportation, energy, petrochemical, environmental protection, urb...
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  • 6 Valves Commonly Used In Power Plants

    6 Valves Commonly Used In Power Plants

    In the thermal power industry, the use of power station control valve is more special. Power flow is only water, steam cycle process, but in this process the selection of control valve is simple and complex. Simple means the process medium is simple, only water and steam two kinds, complex means ...
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  • Working Principle Of Fireproof Valve

    Working Principle Of Fireproof Valve

    The working principle of the Fire-proof Valve is to use the temperature of easily fusible alloy to control the opening, and to close the valve by the action of gravity and spring mechanism. When the fire occurs, the flame invades the air passage, the high temperature causes the fusible alloy on t...
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  • 5 Tips On How To Install And Inspect Pneumatic Control Valve

    5 Tips On How To Install And Inspect Pneumatic Control Valve

    Pneumatic Control Valve also named Pneumatic Regulating Valve and Pneumatic Diaphragm valve. The Pneumatic Control Valve is a very important control equipment in industrial production. Whether it works normally or not is directly related to the production of the whole device. At present, with the...
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  • Favorable And Unfavorable Factors For The Development Of Motorized Valve In China

    Favorable And Unfavorable Factors For The Development Of Motorized Valve In China

    Motorized Valve is an important mechanical device in production and life, which is widely used in all walks of life. However, at present, the development of motorized valve industry in China is not balanced, in a good domestic environment and development prospects, there are many adverse factors....
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  • Valve Industry Need To Improve Product Quality And Technology

    Valve Industry Need To Improve Product Quality And Technology

    Valve is a control component in the pipeline transportation system, which can be used to control the flow of air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive media. In the pharmaceutical industry, the use of valves larger. For example, in the pharmaceutical indus...
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  • A Huge Market Development Potential In China’s Valve Industry

    A Huge Market Development Potential In China’s Valve Industry

    From January to May 2018, China imported 427.96 million sets of valves, up 2.5% from the same period last year. The import amount reached US $3 billion, up 27.3% from the same period last year, according to data released by the Chinese customs. In the development of national economy, valves as a ...
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  • Market Demand Analysis of Solenoid Valve

    Market Demand Analysis of Solenoid Valve

    COVNA, a solenoid valve manufacturer who focus on be a leading automation solution providers in China. — Founder Bond Hong As one of the actuators of fluid control automation systems, solenoid valve has become the first choice of fluid control automation products because of its low price, s...
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  • The Valve Industry Is Developing Rapidly In China

    The Valve Industry Is Developing Rapidly In China

    As the most basic product of Environmental Protection Industry, valve has many kinds and choices, and develops quickly with the equipment manufacturing industry. Under the premise of technological upgrading, domestic valves are gradually favored by the market, and the trend of valve industrializa...
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