Knowledge About Valves

  • 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...
    Read more
  • 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 ...
    Read more
  • 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@...
    Read more
  • 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...
    Read more
  • Top 5 Automated Butterfly Valve Manufacturers In Germany

    Automated butterfly valve is a device for transport and shut-off the flow rate for various industries. Available in electric operated type and pneumatic operated type. COVNA is committed to providing you with flexible fluid control solutions. Therefore, we have developed and produced various type...
    Read more
  • Top Actuator Gate Valve Manufacturers

    Top Actuator Gate Valve Manufacturers

    Actuator gate valve means a gate valve equipped with an actuator to help fluid control remotely. Available in electric gate valve and pneumatic gate valve for your options. COVNA create and supply actuator gate valves over 20+ years. We supply actuator gate valves for on-off fluid control. Welcom...
    Read more
  • What Is Pneumatic Single Seat Control Valve?

    Pneumatic single seat control valve use the compressed air as the power source, take the cylinder as the actuator, and with the aid of the electric valve positioner, the converter solenoid valve, the guard valve and other accessories to drive the valve, to achieve on-off or proportional regulatio...
    Read more
  • TOP 5 Pneumatic Rotary Actuator Manufacturers

    Pneumatic rotary actuator is an automated device to help fluid control. Its features include cost-effective, responsive, safe, explosion-proof and eco-friendly. Available in spring return type and double acting type. COVNA is a manufacturer of rotary actuators and valves with 22 years of experien...
    Read more
  • COVNA Electric Actuator Valve For Irrigation

    COVNA Electric Actuator Valve For Irrigation

    Agriculture is the most important industry in the world, and the development of agriculture is related to the food and clothing of people all over the world. However, there are still many agriculture models that use artificial irrigation. This mode will cause 50% of the water to be wasted, and it...
    Read more
  • What Is V Port Ball Valves?

    What Is V Port Ball Valves?

    What Is Ball Valve? The ball valve is a quarter-turn valve. The ball is driven by the valve stem and rotates 90 degrees around the axis of the ball valve. Ball valves have a variety of designs, and ball valves of different designs can be used in different working conditions. The ball valve can al...
    Read more
  • What Is Stainless Steel 3 Way Ball Valve

    What Is Stainless Steel 3 Way Ball Valve

    Item 3 Way Ball Valve Material Options Stainless Steel 304/316/316L or Plastic  Connection Options Threaded, Flanged, Tri-clamp, Welded Function Type T type or L type Operation Methods Manually operated, Electrically operated or Pneumatically operated Price Consult us to get a free v...
    Read more
  • COVNA Pneumatic Control Valve

    What Is Pneumatic Control Valve? Pneumatic Control Valve is to compressed air as the power source, to the cylinder as the actuator, and with the help of positioner, converter, solenoid valves and other accessories to drive the valve, to achieve on-off or proportional regulation, receive the cont...
    Read more
Write your message here and send it to us
Leave Your Message
Write your message here and send it to us