Knowledge About Valves

  • COVNA Valves For Sugar & Ethanol Industry

    COVNA Valves For Sugar & Ethanol Industry

    As a flow control solution expert, COVNA understands each industry has different requirements about valves. And we believe that our experience could help you to resolve it. Consult us to get a free valve solution. sales@covnavalve.com The sugar industry process is simply...
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  • The Difference Between Solenoid Valve And Miniature Motorized Valve

    The Difference Between Solenoid Valve And Miniature Motorized Valve

    What Is a Solenoid Valve? The solenoid valve generates magnetic force through electricity, and then uses the magnetic force to lift the closing member to control the opening or closing of the valve body. The solenoid valve is small in size, generally 3/8″ to 2″. If you need a larger s...
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  • Top 5 Solenoid Valve Manufacturers

    Top 5 Solenoid Valve Manufacturers

    Solenoid valve is an automated device for automation solutions. Features include compact design and responsive. COVNA supplies various kinds of solenoid valves for your projects. Like general-purpose type, high-pressure type, high-temperature type, anti-corrosive type and so on. Any demand for va...
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  • 5 Multi-Turn Electric Actuator Manufacturers

    5 Multi-Turn Electric Actuator Manufacturers

    Multi-turn actuators are mainly used to control the opening and closing of linear motion valves, such as gate valves and stop valves. When a multi-turn actuator is used with a turbine, it can also be used to control the opening/closing of ball valves and butterfly valves. In this article, we wil...
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  • 5 Automated Gate Valve Manufacturers In Europe

    5 Automated Gate Valve Manufacturers In Europe

    Founded in 2000, COVNA is a 22-year experience valve manufacturer in China. We offer actuator gate valves in electrically type and pneumatically type to meet your different needs. Helping you control remotely and easier. Welcome any inquiries from you. Consult us at sales@covnavalve.com Crane F...
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  • 5 Pneumatic Globe Control Valve Manufacturers

    Pneumatic control valve is one kind of valve for precise flow regulation. In this article, we will list 5 pneumatic globe control valve manufacturers for your reference. Hope it could help you save time.  COVNA is a Chinese brand and founded in 2000. We create and supply control valve for flow r...
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  • 5 Electric Butterfly Valve Manufacturers

    Electric butterfly valve is one kind of valve which could help control remotely. Widely used in flue-gas desulfurization, denitrification system, remineralization and so on. In this article, we will list 5 electric butterfly valve manufacturers for your reference and hope it could help you know a...
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  • Linear Actuators VS Rotary Actuators

    Actuator is a mechanical device that can help us achieve automation. According to the motion mode, actuators can be divided into linear actuators and rotary actuators. According to its different motion modes, the actuator can be applied in different industries and equipment. In this article, we w...
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  • Top 5 Automated Butterfly Valve Manufacturers

    Top 5 Automated Butterfly Valve Manufacturers

    Automated butterfly valve available in electrically operated type and pneumatically operated type. Both for transport and shut-off flow rate. In order to make the valve match the needs of various industries, COVNA develops and produces various types of automatic butterfly valves for you to choose...
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  • Ball Valves VS Plug Valves

    Ball Valves VS Plug Valves

    Ball valves and plug valves are two commonly used valves. In fact, the ball valve evolved from the plug valve. In principle, the ball valve can also be regarded as a special plug valve. The plug valve core is cylindrical or cone-shaped, while the ball valve core is spherical. In this article, we ...
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  • TOP 5 Automated Rotary Actuator Manufacturers

    The automated rotary actuator is a industry device which could help fluid control remotely and easier. COVNA supplies all kinds of automated rotary actuators like electric actuators and pneumatic actuators for your options. Helping you increase productivity. Welcome any inquiries from you! sales@...
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  • Top 5 Industrial Actuated Valve Manufacturers In Italy

    Top 5 Industrial Actuated Valve Manufacturers In Italy

    There are many well-known valve manufacturers in Italy, so Italy is known as one of the top valve manufacturers all over the world. In this article, we will briefly introduce the top 5 industrial valve manufacturers for your reference. All industrial valves are available in manual type and actuat...
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