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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
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
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 -
What Is Scotch Yoke Pneumatic Actuator?
The Scotch Yoke pneumatic actuator is a stroke piston-type actuator, which is suitable for the on-off or metering control of the valve with a 90°rotation angle, like ball valve, butterfly valve, etc. By filling compressed air into the cylinder, the piston is pushed to move linearly. The piston us...Read more -
Top 5 Electric Butterfly Valve Suppliers
Electric butterfly valve refers to a butterfly valve equipped with an electric actuator. The valve is opened or closed by being driven by an electric actuator. Can help you easily realize industrial automation. COVNA group is a specialist of automated actuators and valves in China with 20+ years...Read more -
TOP 5 Stainless Steel Automatic Ball Valve Manufacturers In UK
Stainless steel automatic ball valve widely used in waste treatment, wastewater treatment, power plant, food and beverage, and so on. COVNA create and supply all kinds of automatic ball valve for you like food grade type, 3-piece type, etc. Any demand for valves, welcome consult us at sales@covna...Read more -
Corrosion Of Metal Valve And Application Of Synthetic Material Valve
It is well known that metal corrosion damage has a considerable impact on valve life, reliability and service life. The action of mechanical and corrosive factors on the metal greatly increases the total wear of the contact surface. The total amount of wear on the frictional surface of the valve ...Read more -
How To Install The Control Valve?
Control valve is an automated device for precise regulation of flow. Available in pneumatically operated type and electrically operated type. In this article, we will introduce to you how to install the control valve for your reference. Let’s check it out! Read the manual Read the Instructi...Read more
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