Knowledge About Valves

  • Installation And Maintain Of High Pressure Solenoid Valve

    Installation And Maintain Of High Pressure Solenoid Valve

    High-pressure solenoid valve is a very widely used product in fluid transportation equipment. It is usually used in conjunction with pipelines, pumps and other fluid transportation equipment. Widely used in spray systems, car wash systems, etc. In this article, we will show you how to install a h...
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  • Characteristics And Application Of Pneumatic Actuator Ball Valve

    Characteristics And Application Of Pneumatic Actuator Ball Valve

    Pneumatic Actuator Ball Valve is composed of ball valve equipped with pneumatic actuator. The pneumatic actuator is divided into double-acting pneumatic actuator and single-acting pneumatic actuator. Pneumatic Ball Valve can realize intelligent control, quickly open or close the pipeline, can eff...
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  • 5 Characteristics Of Solenoid Valve

    5 Characteristics Of Solenoid Valve

    Solenoid valve is the comment used valve. They have various types for choose. Available in high-temperature type, high-pressure type, anti-corrosive type, waterproof type. Any demand for valve, feel free to contact us at sales@covnavalve.com (1) Zero Leakage And Safe Internal and external leakage...
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  • What Is A Qualified Electric Actuator?

    What Is A Qualified Electric Actuator?

    1. There should be enough torque for the actuator whose output is turning angle and enough force for the actuator whose output is linear displacement to overcome the resistance of load. In particular, high-temperature and high-pressure valves, its sealing packing pressure is tight, after a long t...
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  • 13 Ways To Extend Valve Life

    13 Ways To Extend Valve Life

    The main function of the valve is to isolate equipment and piping system, regulate flow, prevent backflow, regulate and discharge pressure, is the control component of the fluid piping system, the role is very important. Therefore, in the ordinary use of the process need to pay attention to valve...
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  • COVNA Motorized Ball Valve For HVAC

    COVNA Motorized Ball Valve For HVAC

    As a motorized ball valve manufacturer, COVNA’s goal is to provide the quality valve for you. Consult us to get a free valve solution. sales@covnavalve.com COVNA’s HK62 series Miniature Motorized Ball Valve is a part turn (90 degrees) ball valve with a compact design. The reason why i...
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  • What Is The Difference Between Hard Sealing And Soft Sealing Butterfly Valve?

    What Is The Difference Between Hard Sealing And Soft Sealing Butterfly Valve?

    Hard Seal Butterfly Valve Butterfly Valve hard seal refers to: Both sides of the sealing pair are metal materials or hard other materials. The sealing performance of this seal is poor, but high-temperature resistance, anti-wear, good mechanical properties. Such as stainless steel, cast iron, cast...
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  • 10 Hot Sale Solenoid Valves In COVNA

    10 Hot Sale Solenoid Valves In COVNA

    Solenoid Valve is cheap, simple structure and small size so it plays an important role in various applications. But there are so many types of electromagnetic valves, how do we select them? In this article, we will share with you the feature and applications of 10 hot sale solenoid valves in COV...
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  • The Development Course Of Valve

    The Development Course Of Valve

    A valve is a device for controlling the flow, pressure, and direction of a fluid. The controlled fluid may be a liquid, a gas, a gas-liquid mixture, or a solid-liquid mixture. Valve usually by the valve body, cover, seat, open and close pieces, drive mechanism, seals and fasteners, and so on. The...
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  • Advantages Of Electric Flanged Butterfly Valve

    Advantages Of Electric Flanged Butterfly Valve

    Flanged Electric Actuated Butterfly Valve is suitable for industries with temperature below 150℃ and nominal pressure less than 1.6 MPa. It is suitable for drainage, sewage, food, heating, gas, ship, water and electricity, metallurgy, energy system and light textile industry especially suitable f...
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  • 5 Tips For Choosing A Home Valve

    5 Tips For Choosing A Home Valve

    Civil valve commonly used at present ordinary family gate valve, ball valve, triangle valve and other forms, generally made of iron or copper. Due to the good mechanical properties of copper alloy, with the advantages of not easy to rust, corrosion resistance, so copper valves have gradually repl...
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  • What Is A Valve Electric Device?

    What Is A Valve Electric Device?

    Valve Electric Device is an indispensable driving device to realize valve program control, automatic control and remote control. Its movement process can be controlled by stroke, torque or axial thrust. Because the valve electric device operating characteristics and utilization depends on the typ...
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